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Jia A, Lin L, Li Y, Fan X. Diversity and Pathogenicity of Six Diaporthe Species from Juglans regia in China. J Fungi (Basel) 2024; 10:583. [PMID: 39194908 DOI: 10.3390/jof10080583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/08/2024] [Accepted: 08/14/2024] [Indexed: 08/29/2024] Open
Abstract
Walnut (Juglans regia L.) is cultivated extensively in China for its substantial economic potential as a woody oil species. However, many diseases caused by Diaporthe greatly affect the health of Juglans regia trees. The present study revealed the presence of Diaporthe species from Juglans regia. A total of six species of Diaporthe were isolated from twigs of Juglans regia in three provinces in China, including two known species (Diaporthe gammata and D. tibetensis) and four novel species (D. chaotianensis, D. olivacea, D. shangluoensis and D. shangrilaensis). Phylogenetic relationships of the new species were determined by multilocus phylogenetic analyses based on partial sequences of the internal transcribed spacer (ITS) region, calmodulin (cal) gene, histone H3 (his3) gene, translation elongation factor 1-α (tef1-α) gene and β-tubulin (tub2) gene. Pathogenicity tests indicated that all Diaporthe species obtained in this study were confirmed as pathogens of Juglans regia. This study deepens the understanding of species associated with several disease symptoms in Juglans regia and provides useful information for effective disease control.
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Affiliation(s)
- Aoli Jia
- The Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China
| | - Lu Lin
- The Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China
| | - Yixuan Li
- The Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China
| | - Xinlei Fan
- The Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China
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Bhunjun C, Chen Y, Phukhamsakda C, Boekhout T, Groenewald J, McKenzie E, Francisco E, Frisvad J, Groenewald M, Hurdeal VG, Luangsa-ard J, Perrone G, Visagie C, Bai F, Błaszkowski J, Braun U, de Souza F, de Queiroz M, Dutta A, Gonkhom D, Goto B, Guarnaccia V, Hagen F, Houbraken J, Lachance M, Li J, Luo K, Magurno F, Mongkolsamrit S, Robert V, Roy N, Tibpromma S, Wanasinghe D, Wang D, Wei D, Zhao C, Aiphuk W, Ajayi-Oyetunde O, Arantes T, Araujo J, Begerow D, Bakhshi M, Barbosa R, Behrens F, Bensch K, Bezerra J, Bilański P, Bradley C, Bubner B, Burgess T, Buyck B, Čadež N, Cai L, Calaça F, Campbell L, Chaverri P, Chen Y, Chethana K, Coetzee B, Costa M, Chen Q, Custódio F, Dai Y, Damm U, Santiago A, De Miccolis Angelini R, Dijksterhuis J, Dissanayake A, Doilom M, Dong W, Álvarez-Duarte E, Fischer M, Gajanayake A, Gené J, Gomdola D, Gomes A, Hausner G, He M, Hou L, Iturrieta-González I, Jami F, Jankowiak R, Jayawardena R, Kandemir H, Kiss L, Kobmoo N, Kowalski T, Landi L, Lin C, Liu J, Liu X, Loizides M, Luangharn T, Maharachchikumbura S, Mkhwanazi GM, Manawasinghe I, Marin-Felix Y, McTaggart A, Moreau P, Morozova O, Mostert L, Osiewacz H, Pem D, Phookamsak R, Pollastro S, Pordel A, Poyntner C, Phillips A, Phonemany M, Promputtha I, Rathnayaka A, Rodrigues A, Romanazzi G, Rothmann L, Salgado-Salazar C, Sandoval-Denis M, Saupe S, Scholler M, Scott P, Shivas R, Silar P, Silva-Filho A, Souza-Motta C, Spies C, Stchigel A, Sterflinger K, Summerbell R, Svetasheva T, Takamatsu S, Theelen B, Theodoro R, Thines M, Thongklang N, Torres R, Turchetti B, van den Brule T, Wang X, Wartchow F, Welti S, Wijesinghe S, Wu F, Xu R, Yang Z, Yilmaz N, Yurkov A, Zhao L, Zhao R, Zhou N, Hyde K, Crous P. What are the 100 most cited fungal genera? Stud Mycol 2024; 108:1-411. [PMID: 39100921 PMCID: PMC11293126 DOI: 10.3114/sim.2024.108.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 03/17/2024] [Indexed: 08/06/2024] Open
Abstract
The global diversity of fungi has been estimated between 2 to 11 million species, of which only about 155 000 have been named. Most fungi are invisible to the unaided eye, but they represent a major component of biodiversity on our planet, and play essential ecological roles, supporting life as we know it. Although approximately 20 000 fungal genera are presently recognised, the ecology of most remains undetermined. Despite all this diversity, the mycological community actively researches some fungal genera more commonly than others. This poses an interesting question: why have some fungal genera impacted mycology and related fields more than others? To address this issue, we conducted a bibliometric analysis to identify the top 100 most cited fungal genera. A thorough database search of the Web of Science, Google Scholar, and PubMed was performed to establish which genera are most cited. The most cited 10 genera are Saccharomyces, Candida, Aspergillus, Fusarium, Penicillium, Trichoderma, Botrytis, Pichia, Cryptococcus and Alternaria. Case studies are presented for the 100 most cited genera with general background, notes on their ecology and economic significance and important research advances. This paper provides a historic overview of scientific research of these genera and the prospect for further research. Citation: Bhunjun CS, Chen YJ, Phukhamsakda C, Boekhout T, Groenewald JZ, McKenzie EHC, Francisco EC, Frisvad JC, Groenewald M, Hurdeal VG, Luangsa-ard J, Perrone G, Visagie CM, Bai FY, Błaszkowski J, Braun U, de Souza FA, de Queiroz MB, Dutta AK, Gonkhom D, Goto BT, Guarnaccia V, Hagen F, Houbraken J, Lachance MA, Li JJ, Luo KY, Magurno F, Mongkolsamrit S, Robert V, Roy N, Tibpromma S, Wanasinghe DN, Wang DQ, Wei DP, Zhao CL, Aiphuk W, Ajayi-Oyetunde O, Arantes TD, Araujo JC, Begerow D, Bakhshi M, Barbosa RN, Behrens FH, Bensch K, Bezerra JDP, Bilański P, Bradley CA, Bubner B, Burgess TI, Buyck B, Čadež N, Cai L, Calaça FJS, Campbell LJ, Chaverri P, Chen YY, Chethana KWT, Coetzee B, Costa MM, Chen Q, Custódio FA, Dai YC, Damm U, de Azevedo Santiago ALCM, De Miccolis Angelini RM, Dijksterhuis J, Dissanayake AJ, Doilom M, Dong W, Alvarez-Duarte E, Fischer M, Gajanayake AJ, Gené J, Gomdola D, Gomes AAM, Hausner G, He MQ, Hou L, Iturrieta-González I, Jami F, Jankowiak R, Jayawardena RS, Kandemir H, Kiss L, Kobmoo N, Kowalski T, Landi L, Lin CG, Liu JK, Liu XB, Loizides M, Luangharn T, Maharachchikumbura SSN, Makhathini Mkhwanazi GJ, Manawasinghe IS, Marin-Felix Y, McTaggart AR, Moreau PA, Morozova OV, Mostert L, Osiewacz HD, Pem D, Phookamsak R, Pollastro S, Pordel A, Poyntner C, Phillips AJL, Phonemany M, Promputtha I, Rathnayaka AR, Rodrigues AM, Romanazzi G, Rothmann L, Salgado-Salazar C, Sandoval-Denis M, Saupe SJ, Scholler M, Scott P, Shivas RG, Silar P, Souza-Motta CM, Silva-Filho AGS, Spies CFJ, Stchigel AM, Sterflinger K, Summerbell RC, Svetasheva TY, Takamatsu S, Theelen B, Theodoro RC, Thines M, Thongklang N, Torres R, Turchetti B, van den Brule T, Wang XW, Wartchow F, Welti S, Wijesinghe SN, Wu F, Xu R, Yang ZL, Yilmaz N, Yurkov A, Zhao L, Zhao RL, Zhou N, Hyde KD, Crous PW (2024). What are the 100 most cited fungal genera? Studies in Mycology 108: 1-411. doi: 10.3114/sim.2024.108.01.
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Affiliation(s)
- C.S. Bhunjun
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Y.J. Chen
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - C. Phukhamsakda
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - T. Boekhout
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
- The Yeasts Foundation, Amsterdam, the Netherlands
| | - J.Z. Groenewald
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - E.H.C. McKenzie
- Landcare Research Manaaki Whenua, Private Bag 92170, Auckland, New Zealand
| | - E.C. Francisco
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
- Laboratório Especial de Micologia, Universidade Federal de São Paulo, São Paulo, Brazil
| | - J.C. Frisvad
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
| | | | - V. G. Hurdeal
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - J. Luangsa-ard
- BIOTEC, National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - G. Perrone
- Institute of Sciences of Food Production, National Research Council (CNR-ISPA), Via G. Amendola 122/O, 70126 Bari, Italy
| | - C.M. Visagie
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - F.Y. Bai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - J. Błaszkowski
- Laboratory of Plant Protection, Department of Shaping of Environment, West Pomeranian University of Technology in Szczecin, Słowackiego 17, PL-71434 Szczecin, Poland
| | - U. Braun
- Martin Luther University, Institute of Biology, Department of Geobotany and Botanical Garden, Neuwerk 21, 06099 Halle (Saale), Germany
| | - F.A. de Souza
- Núcleo de Biologia Aplicada, Embrapa Milho e Sorgo, Empresa Brasileira de Pesquisa Agropecuária, Rodovia MG 424 km 45, 35701–970, Sete Lagoas, MG, Brazil
| | - M.B. de Queiroz
- Programa de Pós-graduação em Sistemática e Evolução, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal-RN, 59078-970, Brazil
| | - A.K. Dutta
- Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Jalukbari, Guwahati - 781014, Assam, India
| | - D. Gonkhom
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - B.T. Goto
- Programa de Pós-graduação em Sistemática e Evolução, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal-RN, 59078-970, Brazil
| | - V. Guarnaccia
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Torino, Largo Braccini 2, 10095 Grugliasco, TO, Italy
| | - F. Hagen
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
- Institute of Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, the Netherlands
| | - J. Houbraken
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - M.A. Lachance
- Department of Biology, University of Western Ontario London, Ontario, Canada N6A 5B7
| | - J.J. Li
- College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, P.R. China
| | - K.Y. Luo
- College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, P.R. China
| | - F. Magurno
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Jagiellońska 28, 40-032 Katowice, Poland
| | - S. Mongkolsamrit
- BIOTEC, National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - V. Robert
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - N. Roy
- Molecular & Applied Mycology Laboratory, Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Jalukbari, Guwahati - 781014, Assam, India
| | - S. Tibpromma
- Center for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing, Yunnan 655011, P.R. China
| | - D.N. Wanasinghe
- Center for Mountain Futures, Kunming Institute of Botany, Honghe 654400, Yunnan, China
| | - D.Q. Wang
- College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, P.R. China
| | - D.P. Wei
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, P.R. China
| | - C.L. Zhao
- College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, P.R. China
| | - W. Aiphuk
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - O. Ajayi-Oyetunde
- Syngenta Crop Protection, 410 S Swing Rd, Greensboro, NC. 27409, USA
| | - T.D. Arantes
- Laboratório de Micologia, Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, 74605-050, Goiânia, GO, Brazil
| | - J.C. Araujo
- Mykocosmos - Mycology and Science Communication, Rua JP 11 Qd. 18 Lote 13, Jd. Primavera 1ª etapa, Post Code 75.090-260, Anápolis, Goiás, Brazil
- Secretaria de Estado da Educação de Goiás (SEDUC/ GO), Quinta Avenida, Quadra 71, número 212, Setor Leste Vila Nova, Goiânia, Goiás, 74643-030, Brazil
| | - D. Begerow
- Organismic Botany and Mycology, Institute of Plant Sciences and Microbiology, Ohnhorststraße 18, 22609 Hamburg, Germany
| | - M. Bakhshi
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - R.N. Barbosa
- Micoteca URM-Department of Mycology Prof. Chaves Batista, Federal University of Pernambuco, Av. Prof. Moraes Rego, s/n, Center for Biosciences, University City, Recife, Pernambuco, Zip Code: 50670-901, Brazil
| | - F.H. Behrens
- Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Geilweilerhof, D-76833 Siebeldingen, Germany
| | - K. Bensch
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - J.D.P. Bezerra
- Laboratório de Micologia, Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, 74605-050, Goiânia, GO, Brazil
| | - P. Bilański
- Department of Forest Ecosystems Protection, Faculty of Forestry, University of Agriculture in Krakow, Al. 29 Listopada 46, 31-425 Krakow, Poland
| | - C.A. Bradley
- Department of Plant Pathology, University of Kentucky, Princeton, KY 42445, USA
| | - B. Bubner
- Johan Heinrich von Thünen-Institut, Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei, Institut für Forstgenetik, Eberswalder Chaussee 3a, 15377 Waldsieversdorf, Germany
| | - T.I. Burgess
- Harry Butler Institute, Murdoch University, Murdoch, 6150, Australia
| | - B. Buyck
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum National d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP 39, 75231, Paris cedex 05, France
| | - N. Čadež
- University of Ljubljana, Biotechnical Faculty, Food Science and Technology Department Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - F.J.S. Calaça
- Mykocosmos - Mycology and Science Communication, Rua JP 11 Qd. 18 Lote 13, Jd. Primavera 1ª etapa, Post Code 75.090-260, Anápolis, Goiás, Brazil
- Secretaria de Estado da Educação de Goiás (SEDUC/ GO), Quinta Avenida, Quadra 71, número 212, Setor Leste Vila Nova, Goiânia, Goiás, 74643-030, Brazil
- Laboratório de Pesquisa em Ensino de Ciências (LabPEC), Centro de Pesquisas e Educação Científica, Universidade Estadual de Goiás, Campus Central (CEPEC/UEG), Anápolis, GO, 75132-903, Brazil
| | - L.J. Campbell
- School of Veterinary Medicine, University of Wisconsin - Madison, Madison, Wisconsin, USA
| | - P. Chaverri
- Centro de Investigaciones en Productos Naturales (CIPRONA) and Escuela de Biología, Universidad de Costa Rica, 11501-2060, San José, Costa Rica
- Department of Natural Sciences, Bowie State University, Bowie, Maryland, U.S.A
| | - Y.Y. Chen
- Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - K.W.T. Chethana
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - B. Coetzee
- Department of Plant Pathology, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa
- School for Data Sciences and Computational Thinking, University of Stellenbosch, South Africa
| | - M.M. Costa
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Q. Chen
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - F.A. Custódio
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa-MG, Brazil
| | - Y.C. Dai
- State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
| | - U. Damm
- Senckenberg Museum of Natural History Görlitz, PF 300 154, 02806 Görlitz, Germany
| | - A.L.C.M.A. Santiago
- Post-graduate course in the Biology of Fungi, Department of Mycology, Federal University of Pernambuco, Av. Prof. Moraes Rego, s/n, 50740-465, Recife, PE, Brazil
| | | | - J. Dijksterhuis
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - A.J. Dissanayake
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - M. Doilom
- Innovative Institute for Plant Health/Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, P.R. China
| | - W. Dong
- Innovative Institute for Plant Health/Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, P.R. China
| | - E. Álvarez-Duarte
- Mycology Unit, Microbiology and Mycology Program, Biomedical Sciences Institute, University of Chile, Chile
| | - M. Fischer
- Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Geilweilerhof, D-76833 Siebeldingen, Germany
| | - A.J. Gajanayake
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - J. Gené
- Unitat de Micologia i Microbiologia Ambiental, Facultat de Medicina i Ciències de la Salut & IURESCAT, Universitat Rovira i Virgili (URV), Reus, Catalonia Spain
| | - D. Gomdola
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - A.A.M. Gomes
- Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Recife-PE, Brazil
| | - G. Hausner
- Department of Microbiology, University of Manitoba, Winnipeg, MB, R3T 5N6
| | - M.Q. He
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - L. Hou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- Key Laboratory of Space Nutrition and Food Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - I. Iturrieta-González
- Unitat de Micologia i Microbiologia Ambiental, Facultat de Medicina i Ciències de la Salut & IURESCAT, Universitat Rovira i Virgili (URV), Reus, Catalonia Spain
- Department of Preclinic Sciences, Medicine Faculty, Laboratory of Infectology and Clinical Immunology, Center of Excellence in Translational Medicine-Scientific and Technological Nucleus (CEMT-BIOREN), Universidad de La Frontera, Temuco 4810296, Chile
| | - F. Jami
- Plant Health and Protection, Agricultural Research Council, Pretoria, South Africa
| | - R. Jankowiak
- Department of Forest Ecosystems Protection, Faculty of Forestry, University of Agriculture in Krakow, Al. 29 Listopada 46, 31-425 Krakow, Poland
| | - R.S. Jayawardena
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, South Korea
| | - H. Kandemir
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - L. Kiss
- Centre for Crop Health, Institute for Life Sciences and the Environment, University of Southern Queensland, QLD 4350 Toowoomba, Australia
- Centre for Research and Development, Eszterházy Károly Catholic University, H-3300 Eger, Hungary
| | - N. Kobmoo
- BIOTEC, National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani, 12120, Thailand
| | - T. Kowalski
- Department of Forest Ecosystems Protection, Faculty of Forestry, University of Agriculture in Krakow, Al. 29 Listopada 46, 31-425 Krakow, Poland
| | - L. Landi
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | - C.G. Lin
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - J.K. Liu
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - X.B. Liu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, P.R. China
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Center, Temesvári krt. 62, Szeged H-6726, Hungary
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
| | | | - T. Luangharn
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - S.S.N. Maharachchikumbura
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - G.J. Makhathini Mkhwanazi
- Department of Plant Pathology, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa
| | - I.S. Manawasinghe
- Innovative Institute for Plant Health/Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, P.R. China
| | - Y. Marin-Felix
- Department Microbial Drugs, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - A.R. McTaggart
- Centre for Horticultural Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Ecosciences Precinct, Dutton Park 4102, Queensland, Australia
| | - P.A. Moreau
- Univ. Lille, ULR 4515 - LGCgE, Laboratoire de Génie Civil et géo-Environnement, F-59000 Lille, France
| | - O.V. Morozova
- Komarov Botanical Institute of the Russian Academy of Sciences, 2, Prof. Popov Str., 197376 Saint Petersburg, Russia
- Tula State Lev Tolstoy Pedagogical University, 125, Lenin av., 300026 Tula, Russia
| | - L. Mostert
- Department of Plant Pathology, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa
| | - H.D. Osiewacz
- Faculty for Biosciences, Institute for Molecular Biosciences, Goethe University, Max-von-Laue-Str. 9, 60438, Frankfurt/Main, Germany
| | - D. Pem
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - R. Phookamsak
- Center for Mountain Futures, Kunming Institute of Botany, Honghe 654400, Yunnan, China
| | - S. Pollastro
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - A. Pordel
- Plant Protection Research Department, Baluchestan Agricultural and Natural Resources Research and Education Center, AREEO, Iranshahr, Iran
| | - C. Poyntner
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, 6020, Innsbruck, Austria
| | - A.J.L. Phillips
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal
| | - M. Phonemany
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - I. Promputtha
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - A.R. Rathnayaka
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - A.M. Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo, 04023062, Brazil
| | - G. Romanazzi
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | - L. Rothmann
- Plant Pathology, Department of Plant Sciences, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, 9301, South Africa
| | - C. Salgado-Salazar
- Mycology and Nematology Genetic Diversity and Biology Laboratory, U.S. Department of Agriculture, Agriculture Research Service (USDA-ARS), 10300 Baltimore Avenue, Beltsville MD, 20705, USA
| | - M. Sandoval-Denis
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - S.J. Saupe
- Institut de Biochimie et de Génétique Cellulaire, UMR 5095 CNRS Université de Bordeaux, 1 rue Camille Saint Saëns, 33077 Bordeaux cedex, France
| | - M. Scholler
- Staatliches Museum für Naturkunde Karlsruhe, Erbprinzenstraße 13, 76133 Karlsruhe, Germany
| | - P. Scott
- Harry Butler Institute, Murdoch University, Murdoch, 6150, Australia
- Sustainability and Biosecurity, Department of Primary Industries and Regional Development, Perth WA 6000, Australia
| | - R.G. Shivas
- Centre for Crop Health, Institute for Life Sciences and the Environment, University of Southern Queensland, QLD 4350 Toowoomba, Australia
| | - P. Silar
- Laboratoire Interdisciplinaire des Energies de Demain, Université de Paris Cité, 75205 Paris Cedex, France
| | - A.G.S. Silva-Filho
- IFungiLab, Departamento de Ciências e Matemática (DCM), Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP), São Paulo, BraziI
| | - C.M. Souza-Motta
- Micoteca URM-Department of Mycology Prof. Chaves Batista, Federal University of Pernambuco, Av. Prof. Moraes Rego, s/n, Center for Biosciences, University City, Recife, Pernambuco, Zip Code: 50670-901, Brazil
| | - C.F.J. Spies
- Agricultural Research Council - Plant Health and Protection, Private Bag X5017, Stellenbosch, 7599, South Africa
| | - A.M. Stchigel
- Unitat de Micologia i Microbiologia Ambiental, Facultat de Medicina i Ciències de la Salut & IURESCAT, Universitat Rovira i Virgili (URV), Reus, Catalonia Spain
| | - K. Sterflinger
- Institute of Natural Sciences and Technology in the Arts (INTK), Academy of Fine Arts Vienna, Augasse 2–6, 1090, Vienna, Austria
| | - R.C. Summerbell
- Sporometrics, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - T.Y. Svetasheva
- Tula State Lev Tolstoy Pedagogical University, 125, Lenin av., 300026 Tula, Russia
| | - S. Takamatsu
- Mie University, Graduate School, Department of Bioresources, 1577 Kurima-Machiya, Tsu 514-8507, Japan
| | - B. Theelen
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - R.C. Theodoro
- Laboratório de Micologia Médica, Instituto de Medicina Tropical do RN, Universidade Federal do Rio Grande do Norte, 59078-900, Natal, RN, Brazil
| | - M. Thines
- Senckenberg Biodiversity and Climate Research Centre (BiK-F), Senckenberganlage 25, 60325 Frankfurt Am Main, Germany
| | - N. Thongklang
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - R. Torres
- IRTA, Postharvest Programme, Edifici Fruitcentre, Parc Agrobiotech de Lleida, Parc de Gardeny, 25003, Lleida, Catalonia, Spain
| | - B. Turchetti
- Department of Agricultural, Food and Environmental Sciences and DBVPG Industrial Yeasts Collection, University of Perugia, Italy
| | - T. van den Brule
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
- TIFN, P.O. Box 557, 6700 AN Wageningen, the Netherlands
| | - X.W. Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - F. Wartchow
- Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, Paraiba, João Pessoa, Brazil
| | - S. Welti
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - S.N. Wijesinghe
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - F. Wu
- State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
| | - R. Xu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Internationally Cooperative Research Center of China for New Germplasm Breeding of Edible Mushroom, Jilin Agricultural University, Changchun 130118, China
| | - Z.L. Yang
- Syngenta Crop Protection, 410 S Swing Rd, Greensboro, NC. 27409, USA
- Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
| | - N. Yilmaz
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - A. Yurkov
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Brunswick, Germany
| | - L. Zhao
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - R.L. Zhao
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - N. Zhou
- Department of Biological Sciences and Biotechnology, Botswana University of Science and Technology, Private Bag, 16, Palapye, Botswana
| | - K.D. Hyde
- School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
- Innovative Institute for Plant Health/Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, Guangdong, P.R. China
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - P.W. Crous
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht
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Wang X, Kotta-Loizou I, Coutts RHA, Deng H, Han Z, Hong N, Shafik K, Wang L, Guo Y, Yang M, Xu W, Wang G. A circular single-stranded DNA mycovirus infects plants and confers broad-spectrum fungal resistance. MOLECULAR PLANT 2024; 17:955-971. [PMID: 38745413 DOI: 10.1016/j.molp.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/15/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
Circular single-stranded DNA (ssDNA) viruses have been rarely found in fungi, and the evolutionary and ecological relationships among ssDNA viruses infecting fungi and other organisms remain unclear. In this study, a novel circular ssDNA virus, tentatively named Diaporthe sojae circular DNA virus 1 (DsCDV1), was identified in the phytopathogenic fungus Diaporthe sojae isolated from pear trees. DsCDV1 has a monopartite genome (3185 nt in size) encapsidated in isometric virions (21-26 nm in diameter). The genome comprises seven putative open reading frames encoding a discrete replicase (Rep) split by an intergenic region, a putative capsid protein (CP), several proteins of unknown function (P1-P4), and a long intergenic region. Notably, the two split parts of DsCDV1 Rep share high identities with the Reps of Geminiviridae and Genomoviridae, respectively, indicating an evolutionary linkage with both families. Phylogenetic analysis based on Rep or CP sequences placed DsCDV1 in a unique cluster, supporting the establishment of a new family, tentatively named Gegemycoviridae, intermediate to both families. DsCDV1 significantly attenuates fungal growth and nearly erases fungal virulence when transfected into the host fungus. Remarkably, DsCDV1 can systematically infect tobacco and pear seedlings, providing broad-spectrum resistance to fungal diseases. Subcellular localization analysis revealed that DsCDV1 P3 is systematically localized in the plasmodesmata, while its expression in trans-complementation experiments could restore systematic infection of a movement-deficient plant virus, suggesting that P3 is a movement protein. DsCDV1 exhibits unique molecular and biological traits not observed in other ssDNA viruses, serving as a link between fungal and plant ssDNA viruses and presenting an evolutionary connection between ssDNA viruses and fungi. These findings contribute to expanding our understanding of ssDNA virus diversity and evolution, offering potential biocontrol applications for managing crucial plant diseases.
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Affiliation(s)
- Xianhong Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Ioly Kotta-Loizou
- Department of Life Sciences, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK; Department of Clinical, Pharmaceutical and Biological Science, School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK
| | - Robert H A Coutts
- Department of Clinical, Pharmaceutical and Biological Science, School of Life and Medical Sciences, University of Hertfordshire, Hatfield AL10 9AB, UK
| | - Huifang Deng
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Zhenhao Han
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Ni Hong
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Karim Shafik
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China; Department of Plant Pathology, Faculty of Agriculture, Alexandria University, Alexandria 21526, Egypt
| | - Liping Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Yashuang Guo
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Mengmeng Yang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China
| | - Wenxing Xu
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China.
| | - Guoping Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Wuhan 430070, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Lab of Plant Pathology of Hubei Province, Wuhan 430070, China.
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4
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Waqas M, Guarnaccia V, Bardella S, Spadaro D. Molecular Characterization and Pathogenicity of Diaporthe Species Causing Nut Rot of Hazelnut in Italy. PLANT DISEASE 2024; 108:1005-1013. [PMID: 37883635 DOI: 10.1094/pdis-01-23-0168-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Hazelnut (Corylus avellana), a nut crop that is rapidly expanding worldwide, is endangered by a rot. Nut rot results in hazelnut defects. A survey was conducted in northwestern Italy during 2020 and 2021 to identify the causal agents of hazelnut rots. Typical symptoms of black rot, mold, and necrotic spots were observed on hazelnuts. The prevalent fungi isolated from symptomatic hazelnut kernels were Diaporthe spp. (38%), Botryosphaeria dothidea (26%), Diplodia seriata (14%), and other fungal genera with less frequent occurrences. Among 161 isolated Diaporthe spp., 40 were selected for further analysis. Based on morphological characterization and multilocus phylogenetic analysis of the ITS, tef-1α, and tub2, seven Diaporthe species were identified as D. eres, D. foeniculina, D. novem, D. oncostoma, D. ravennica, D. rudis, and D. sojae. D. eres was the main species isolated from hazelnut rots, in particular from moldy nuts. The pathogenicity test performed on hazelnuts 'Tonda Gentile del Piemonte' using a mycelium plug showed that all the Diaporthe isolates were pathogenic on their original host. To our knowledge, this work is the first report of D. novem, D. oncostoma, and D. ravennica on hazelnuts worldwide. D. foeniculina, D. rudis, and D. sojae were reported for the first time as agents of hazelnut rot in Italy. Future studies should focus on the comprehension of epidemiology and climatic conditions favoring the development of Diaporthe spp. on hazelnut. Prevention and control measures should target D. eres, representing the main causal agents responsible for defects and nut rot of hazelnuts in Italy.
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Affiliation(s)
- Muhammad Waqas
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Torino 10095, Grugliasco, TO, Italy
| | - Vladimiro Guarnaccia
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Torino 10095, Grugliasco, TO, Italy
- AGROINNOVA - Centre of Competence for the Innovation in the Agro-environmental Sector, University of Torino 10095, Grugliasco, TO, Italy
| | - S Bardella
- Fondazione Agrion - Via Falicetto, 24 12030, Manta, CN, Italy
| | - Davide Spadaro
- Department of Agricultural, Forest and Food Sciences (DISAFA), University of Torino 10095, Grugliasco, TO, Italy
- AGROINNOVA - Centre of Competence for the Innovation in the Agro-environmental Sector, University of Torino 10095, Grugliasco, TO, Italy
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Liu HY, Luo D, Huang HL, Yang Q. Two new species of Diaporthe (Diaporthaceae, Diaporthales) associated with Camelliaoleifera leaf spot disease in Hainan Province, China. MycoKeys 2024; 102:225-243. [PMID: 38449924 PMCID: PMC10915747 DOI: 10.3897/mycokeys.102.113412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/25/2024] [Indexed: 03/08/2024] Open
Abstract
Tea-oil tree (Camelliaoleifera Abel.) is an important edible oil woody plant with a planting area over 3,800,000 hectares in southern China. Species of Diaporthe inhabit a wide range of plant hosts as plant pathogens, endophytes and saprobes. Here, we conducted an extensive field survey in Hainan Province to identify and characterise Diaporthe species associated with tea-oil leaf spots. As a result, eight isolates of Diaporthe were obtained from symptomatic C.oleifera leaves. These isolates were studied, based on morphological and phylogenetic analyses of partial ITS, cal, his3, tef1 and tub2 gene regions. Two new Diaporthe species (D.hainanensis and D.pseudofoliicola) were proposed and described herein.
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Affiliation(s)
- Hong Y. Liu
- Forestry Biotechnology Hunan Key Laboratory, Central South University of Forestry and Technology, Changsha 410004, China
| | - Dun Luo
- The Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
| | - Han L. Huang
- The Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
| | - Qin Yang
- Forestry Biotechnology Hunan Key Laboratory, Central South University of Forestry and Technology, Changsha 410004, China
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Yu Z, Nong X, Wei S, Wu G, Qin Q, Tan H. Phomopamide A, a cyclic pentadepsipeptide with α-glucosidase inhibition activity from the endophytic fungus Diaporthe sp. Nat Prod Res 2024:1-6. [PMID: 38305729 DOI: 10.1080/14786419.2024.2309657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/19/2024] [Indexed: 02/03/2024]
Abstract
An undescribed cytotoxic cyclopeptide named phomopamide A (1) was isolated from Diaporthe sp., which is an endophytic fungus from Artemisia argyi. Phomopamide A (1) featured an pentadepsipeptide skeleton and composed of two Phe, one Val, one Leu, and one 2-hydroxyoctanoic acid units. The structure of this new compound was fully characterised on the basis of extensive spectroscopic analysis. Moreover, phomopamide A was evaluated for in vitro cyctotoxic and α-glucosidase inhibitory activity. As a result, phomopaminde A exhibited no cytotoxic activity against four tumour cell lines, while it showed a potent α-glucosidase inhibition effect with IC50 value of 62.35 µM.
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Affiliation(s)
- Zhonghua Yu
- Guangdong Eco-engineering Polytechnic, Guangzhou, People's Republic of China
| | - Xinmiao Nong
- Guangdong Eco-engineering Polytechnic, Guangzhou, People's Republic of China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, People's Republic of China
| | - Shanshan Wei
- Guangdong Eco-engineering Polytechnic, Guangzhou, People's Republic of China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, People's Republic of China
| | - Gang Wu
- Guangdong Eco-engineering Polytechnic, Guangzhou, People's Republic of China
| | - Qiaomei Qin
- Guangdong Eco-engineering Polytechnic, Guangzhou, People's Republic of China
| | - Haibo Tan
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, People's Republic of China
- National Engineering Research Center of Navel Orange, Gannan Normal University, Ganzhou, People's Republic of China
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7
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Chang JL, Pei J, Zhou YH, Ouyang QX, Qin CL, Hu JY, Meng XG, Ruan HL. Diaporaustalides A-L, Austalide Meroterpenoids from a Plant Endophytic Diaporthe sp. JOURNAL OF NATURAL PRODUCTS 2024; 87:141-151. [PMID: 38128907 DOI: 10.1021/acs.jnatprod.3c00986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Twelve new austalide meroterpenoids (1-12) were isolated from the endophytic fungus Diaporthe sp. XC1211. Their structures were elucidated by extensive spectroscopic analysis. The absolute configurations of compounds 1, 3, 4, and 6 were established by single-crystal X-ray diffraction, whereas those for the others were established by experimental electronic circular dichroism (ECD) data analysis. Compounds 1-12 represent a rare class of austalides with a 24α-CH3. Compounds 2 and 5 demonstrated potent proliferation inhibitory effects against LPS-induced B cells with IC50 values of 6.7 (SI = 3.6) and 3.8 (SI > 13) μM, respectively. Compounds 2 and 5 decreased the secretion of IL-6 in LPS-induced B cells in a dose-dependent manner.
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Affiliation(s)
- Jin-Ling Chang
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Jiao Pei
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Yin-Hui Zhou
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Qian-Xi Ouyang
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Chun-Lun Qin
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Jia-Yun Hu
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
| | - Xiang-Gao Meng
- College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China
| | - Han-Li Ruan
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, Wuhan 430030, People's Republic of China
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8
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Ali S, Wright AH, Tanney JB, Renaud JB, Sumarah MW. Fungal Endophytes: Discovering What Lies within Some of Canada's Oldest and Most Resilient Grapevines. J Fungi (Basel) 2024; 10:105. [PMID: 38392777 PMCID: PMC10890244 DOI: 10.3390/jof10020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 02/24/2024] Open
Abstract
Plant diseases and pests reduce crop yields, accounting for global crop losses of 30% to 50%. In conventional agricultural production systems, these losses are typically controlled by applying chemical pesticides. However, public pressure is mounting to curtail agrochemical use. In this context, employing beneficial endophytic microorganisms is an increasingly attractive alternative to the use of conventional chemical pesticides in agriculture. A multitude of fungal endophytes are naturally present in plants, producing enzymes, small peptides, and secondary metabolites due to their bioactivity, which can protect hosts from pathogens, pests, and abiotic stresses. The use of beneficial endophytic microorganisms in agriculture is an increasingly attractive alternative to conventional pesticides. The aim of this study was to characterize fungal endophytes isolated from apparently healthy, feral wine grapes in eastern Canada that have grown without agrochemical inputs for decades. Host plants ranged from unknown seedlings to long-lost cultivars not widely propagated since the 1800s. HPLC-MS was used to identify unique endophyte-derived chemical compounds in the host plants, while dual-culture competition assays showed a range in endophytes' ability to suppress the mycelial growth of Botrytis, which is typically controlled in viticulture with pesticides. Twelve of the most promising fungal endophytes isolated were identified using multilocus sequencing and morphology, while DNA barcoding was employed to identify some of their host vines. These fungal endophyte isolates, which consisted of both known and putative novel strains, belonged to seven genera in six families and five orders of Ascomycota. Exploring the fungal endophytes in these specimens may yield clues to the vines' survival and lead to the discovery of novel biocontrol agents.
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Affiliation(s)
- Shawkat Ali
- Agriculture and Agri-Food Canada, Kentville Research and Development Centre, 32 Main St., Kentville, NS B4N 1J5, Canada
| | - A Harrison Wright
- Agriculture and Agri-Food Canada, Kentville Research and Development Centre, 32 Main St., Kentville, NS B4N 1J5, Canada
| | - Joey B Tanney
- Natural Resources Canada, Pacific Forestry Centre, 506 Burnside Road West, Victoria, BC V8Z 1M5, Canada
| | - Justin B Renaud
- Agriculture and Agri-Food Canada, London Research and Development Centre, 1391 Sandford St., London, ON N5V 4T3, Canada
| | - Mark W Sumarah
- Agriculture and Agri-Food Canada, London Research and Development Centre, 1391 Sandford St., London, ON N5V 4T3, Canada
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9
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Charria-Girón E, Marin-Felix Y, Beutling U, Franke R, Brönstrup M, Vasco-Palacios AM, Caicedo NH, Surup F. Metabolomics insights into the polyketide-lactones produced by Diaporthe caliensis sp. nov., an endophyte of the medicinal plant Otoba gracilipes. Microbiol Spectr 2023; 11:e0274323. [PMID: 37921483 PMCID: PMC10715209 DOI: 10.1128/spectrum.02743-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/01/2023] [Indexed: 11/04/2023] Open
Abstract
IMPORTANCE The integration of metabolomics-based approaches into the discovery pipeline has enabled improved mining and prioritization of prolific secondary metabolite producers such as endophytic fungi. However, relying on automated untargeted analysis tools might lead to misestimation of the chemical complexity harbored in these organisms. Our study emphasizes the importance of isolation and structure elucidation of the respective metabolites in addition to deep metabolome analysis for the correct interpretation of untargeted metabolomics approaches such as molecular networking. Additionally, it encourages the further exploration of endophytic fungi from traditional medicinal plants for the discovery of natural products.
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Affiliation(s)
- Esteban Charria-Girón
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Braunschweig, Germany
- Departamento de Ciencias biológicas, Facultad de Ingeniería, Diseño y Ciencias Aplicadas, Bioprocesos y Biotecnología, Universidad Icesi, Cali, Colombia
| | - Yasmina Marin-Felix
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Ulrike Beutling
- Department Chemical Biology, Helmholtz Centre for Infection Research GmbH (HZI), Braunschweig, Germany
| | - Raimo Franke
- Department Chemical Biology, Helmholtz Centre for Infection Research GmbH (HZI), Braunschweig, Germany
| | - Mark Brönstrup
- Department Chemical Biology, Helmholtz Centre for Infection Research GmbH (HZI), Braunschweig, Germany
| | - Aida M. Vasco-Palacios
- Grupo de Microbiología Ambiental y Grupo BioMicro, Escuela de Microbiología, Universidad de Antioquia UdeA, Medellín, Colombia
- Asociación Colombiana de Micología, ASCOLMIC, Bogotá, Colombia
| | - Nelson H. Caicedo
- Departamento de Ciencias biológicas, Facultad de Ingeniería, Diseño y Ciencias Aplicadas, Bioprocesos y Biotecnología, Universidad Icesi, Cali, Colombia
- Centro BioInc, Universidad Icesi, Cali, Colombia
| | - Frank Surup
- Department Microbial Drugs, Helmholtz Centre for Infection Research (HZI), German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Braunschweig, Germany
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10
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Pereira DS, Hilário S, Gonçalves MFM, Phillips AJL. Diaporthe Species on Palms: Molecular Re-Assessment and Species Boundaries Delimitation in the D. arecae Species Complex. Microorganisms 2023; 11:2717. [PMID: 38004729 PMCID: PMC10673533 DOI: 10.3390/microorganisms11112717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Due to cryptic diversification, phenotypic plasticity and host associations, multilocus phylogenetic analyses have become the most important tool in accurately identifying and circumscribing species in the Diaporthe genus. However, the application of the genealogical concordance criterion has often been overlooked, ultimately leading to an exponential increase in novel Diaporthe spp. Due to the large number of species, many lineages remain poorly understood under the so-called species complexes. For this reason, a robust delimitation of the species boundaries in Diaporthe is still an ongoing challenge. Therefore, the present study aimed to resolve the species boundaries of the Diaporthe arecae species complex (DASC) by implementing an integrative taxonomic approach. The Genealogical Phylogenetic Species Recognition (GCPSR) principle revealed incongruences between the individual gene genealogies. Moreover, the Poisson Tree Processes' (PTPs) coalescent-based species delimitation models identified three well-delimited subclades represented by the species D. arecae, D. chiangmaiensis and D. smilacicola. These results evidence that all species previously described in the D. arecae subclade are conspecific, which is coherent with the morphological indistinctiveness observed and the absence of reproductive isolation and barriers to gene flow. Thus, 52 Diaporthe spp. are reduced to synonymy under D. arecae. Recent population expansion and the possibility of incomplete lineage sorting suggested that the D. arecae subclade may be considered as ongoing evolving lineages under active divergence and speciation. Hence, the genetic diversity and intraspecific variability of D. arecae in the context of current global climate change and the role of D. arecae as a pathogen on palm trees and other hosts are also discussed. This study illustrates that species in Diaporthe are highly overestimated, and highlights the relevance of applying an integrative taxonomic approach to accurately circumscribe the species boundaries in the genus Diaporthe.
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Affiliation(s)
- Diana S. Pereira
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal;
| | - Sandra Hilário
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Porto, Portugal;
- Faculty of Sciences, Biology Department, University of Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
| | - Micael F. M. Gonçalves
- Faculty of Sciences, Biology Department, University of Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
- Centre for Environmental and Marine Studies, Department of Biology, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Alan J. L. Phillips
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal;
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11
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Lambert C, Schweizer L, Matio Kemkuignou B, Anoumedem EGM, Kouam SF, Marin-Felix Y. Four new endophytic species of Diaporthe (Diaporthaceae, Diaporthales) isolated from Cameroon. MycoKeys 2023; 99:319-362. [PMID: 37915461 PMCID: PMC10616871 DOI: 10.3897/mycokeys.99.110043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/26/2023] [Indexed: 11/03/2023] Open
Abstract
The genus Diaporthe (Diaporthaceae, Diaporthales) is a large group of fungi frequently reported as phytopathogens, with ubiquitous distribution across the globe. Diaporthe have traditionally been characterized by the morphology of their ana- and teleomorphic state, revealing a high degree of heterogeneity as soon as DNA sequencing was utilized across the different members of the group. Their relevance for biotechnology and agriculture attracts the attention of taxonomists and natural product chemists alike in context of plant protection and exploitation for their potential to produce bioactive secondary metabolites. While more than 1000 species are described to date, Africa, as a natural habitat, has so far been under-sampled. Several endophytic fungi belonging to Diaporthe were isolated from different plant hosts in Cameroon over the course of this study. Phylogenetic analyses based on DNA sequence data of the internal transcribed spacer region and intervening 5.8S nrRNA gene, and partial fragments of the calmodulin, beta-tubulin, histone and the translation elongation factor 1-α genes, demonstrated that these isolates represent four new species, i.e. D.brideliae, D.cameroonensis, D.pseudoanacardii and D.rauvolfiae. Moreover, the description of D.isoberliniae is here emended, now incorporating the morphology of beta and gamma conidia produced by two of our endophytic isolates, which had never been documented in previous records. Moreover, the paraphyletic nature of the genus is discussed and suggestions are made for future revision of the genus.
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Affiliation(s)
- Christopher Lambert
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/BraunschweigBraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
- Molecular Cell Biology Group, Helmholtz Centre for Infection Research (HZI), Inhoffenstrasse 7, 38124 Braunschweig, GermanyMolecular Cell Biology Group, Helmholtz Centre for Infection Research (HZI)BraunschweigGermany
| | - Lena Schweizer
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/BraunschweigBraunschweigGermany
| | - Blondelle Matio Kemkuignou
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/BraunschweigBraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
| | - Elodie Gisèle M. Anoumedem
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, Yaoundé P.O. Box 47, CameroonUniversity of Yaoundé IYaoundeCameroon
| | - Simeon F. Kouam
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, Yaoundé P.O. Box 47, CameroonUniversity of Yaoundé IYaoundeCameroon
| | - Yasmina Marin-Felix
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/BraunschweigBraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
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12
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Cosseboom SD, Hu M. Identification and Pathogenicity of Cladosporium, Fusarium, and Diaporthe spp. Associated with Late-Season Bunch Rots of Grape. PLANT DISEASE 2023; 107:2929-2934. [PMID: 37005504 DOI: 10.1094/pdis-01-23-0146-sc] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Fungal pathogens continue to pose a significant threat to grape production. Previous studies of pathogens associated with late-season bunch rots in Mid-Atlantic vineyards had elucidated the primary causal agents of these diseases, but the significance and identity of the less commonly isolated genera was unclear. Therefore, to more fully understand the identity and pathogenicity of Cladosporium, Fusarium, and Diaporthe spp. associated with late-season bunch rots of wine grapes in the Mid-Atlantic, phylogenic analyses and pathogenicity assays were conducted. Isolates were characterized to the species level by sequencing the TEF1 and Actin, TEF1 and TUB2, and TEF1 genes for 10, 7, and 9 isolates of Cladosporium, Diaporthe, and Fusarium, respectively. Four Cladosporium, three Fusarium, and three Diaporthe species were identified, and C. allicinum, C. perangustum, C. pseudocladosporioides, F. graminearum, and D. guangxiensis had not yet been isolated from grape in North America. The pathogenicity of each species was evaluated on detached table and wine grapes, and D. eres, D. ampelina, D. guangxiensis, and F. fujikuroi were found to be the most aggressive on both table and wine grapes. Further investigations through more extensive isolate collection and of myotoxicity testing may be warranted due to the prevalence and pathogenicity of D. eres and F. fujikuroi.
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Affiliation(s)
- Scott D Cosseboom
- Department of Plant Science and Landscape Architecture, University of Maryland, College Park, MD 20742
| | - Mengjun Hu
- Department of Plant Science and Landscape Architecture, University of Maryland, College Park, MD 20742
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13
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Xiao X, Liu Y, Zheng F, Xiong T, Zeng Y, Wang W, Zheng X, Wu Q, Xu J, Crous P, Jiao C, Li H. High species diversity in Diaporthe associated with citrus diseases in China. PERSOONIA 2023; 51:229-256. [PMID: 38665984 PMCID: PMC11041894 DOI: 10.3767/persoonia.2023.51.06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 09/08/2023] [Indexed: 04/28/2024]
Abstract
Species in Diaporthe have broad host ranges and cosmopolitan geographic distributions, occurring as endophytes, saprobes and plant pathogens. Previous studies have indicated that many Diaporthe species are associated with Citrus. To further determine the diversity of Diaporthe species associated with citrus diseases in China, we conducted extensive surveys in major citrus-producing areas from 2017-2020. Diseased tissues were collected from leaves, fruits, twigs, branches and trunks showing a range of symptoms including melanose, dieback, gummosis, wood decay and canker. Based on phylogenetic comparisons of DNA sequences of the internal transcribed spacer regions (ITS), calmodulin (cal), histone H3 (his3), translation elongation factor 1-alpha (tef1) and beta-tubulin (tub2), 393 isolates from 10 provinces were identified as belonging to 36 species of Diaporthe, including 32 known species, namely D. apiculata, D. biconispora, D. biguttulata, D. caryae, D. citri, D. citriasiana, D. compacta, D. discoidispora, D. endophytica, D. eres, D. fusicola, D. fulvicolor, D. guangxiensis, D. hongkongensis, D. hubeiensis, D. limonicola, D. litchii, D. novem, D. passifloricola, D. penetriteum, D. pescicola, D. pometiae, D. sackstonii, D. sennicola, D. sojae, D. spinosa, D. subclavata, D. tectonae, D. tibetensis, D. unshiuensis, D. velutina and D. xishuangbanica, and four new species, namely D. gammata, D. jishouensis, D. ruiliensis and D. sexualispora. Among the 32 known species, 14 are reported for the first time on Citrus, and two are newly reported from China. Among the 36 species, D. citri was the dominant species as exemplified by its high frequency of isolation and virulence. Pathogenicity tests indicated that most Diaporthe species obtained in this study were weakly aggressive or non-pathogenic to the tested citrus varieties. Only D. citri produced the longest lesion lengths on citrus shoots and induced melanose on citrus leaves. These results further demonstrated that a rich diversity of Diaporthe species occupy Citrus, but only a few species are harmful and D. citri is the main pathogen for Citrus in China. The present study provides a basis from which targeted monitoring, prevention and control measures can be developed. Citation: Xiao XE, Liu YD, Zheng F, et al. 2023. High species diversity in Diaporthe associated with citrus diseases in China. Persoonia 51: 229-256. doi: 10.3767/persoonia.2023.51.06.
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Affiliation(s)
- X.E. Xiao
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Y.D. Liu
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - F. Zheng
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - T. Xiong
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Y.T. Zeng
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - W. Wang
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - X.L. Zheng
- Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, 324000, China
| | - Q. Wu
- Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, 324000, China
| | - J.P. Xu
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - P.W. Crous
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - C. Jiao
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - H.Y. Li
- The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
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14
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Monkai J, Hongsanan S, Bhat DJ, Dawoud TM, Lumyong S. Integrative Taxonomy of Novel Diaporthe Species Associated with Medicinal Plants in Thailand. J Fungi (Basel) 2023; 9:603. [PMID: 37367539 DOI: 10.3390/jof9060603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/22/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
During our investigations of the microfungi on medicinal plants in Thailand, five isolates of Diaporthe were obtained. These isolates were identified and described using a multiproxy approach, viz. morphology, cultural characteristics, host association, the multiloci phylogeny of ITS, tef1-α, tub2, cal, and his3, and DNA comparisons. Five new species, Diaporthe afzeliae, D. bombacis, D. careyae, D. globoostiolata, and D. samaneae, are introduced as saprobes from the plant hosts, viz. Afzelia xylocarpa, Bombax ceiba, Careya sphaerica, a member of Fagaceae, and Samanea saman. Interestingly, this is the first report of Diaporthe species on these plants, except on the Fagaceae member. The morphological comparison, updated molecular phylogeny, and pairwise homoplasy index (PHI) analysis strongly support the establishment of novel species. Our phylogeny also revealed the close relationship between D. zhaoqingensis and D. chiangmaiensis; however, the evidence from the PHI test and DNA comparison indicated that they are distinct species. These findings improve the existing knowledge of taxonomy and host diversity of Diaporthe species as well as highlight the untapped potential of these medicinal plants for searching for new fungi.
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Affiliation(s)
- Jutamart Monkai
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Sinang Hongsanan
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Darbhe J Bhat
- Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Vishnugupta Vishwavidyapeetam, Ashoke, Gokarna 581326, India
| | - Turki M Dawoud
- Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Saisamorn Lumyong
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand
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15
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Wei W, Khan B, Dai Q, Lin J, Kang L, Rajput NA, Yan W, Liu G. Potential of Secondary Metabolites of Diaporthe Species Associated with Terrestrial and Marine Origins. J Fungi (Basel) 2023; 9:jof9040453. [PMID: 37108907 PMCID: PMC10143158 DOI: 10.3390/jof9040453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/02/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Diaporthe species produce versatile secondary metabolites (SMs), including terpenoids, fatty acids, polyketides, steroids, and alkaloids. These structurally diverse SMs exhibit a wide range of biological activities, including cytotoxic, antifungal, antibacterial, antiviral, antioxidant, anti-inflammatory, and phytotoxic activities, which could be exploited in the medical, agricultural, and other modern industries. This review comprehensively covers the production and biological potencies of isolated natural products from the genus Diaporthe associated with terrestrial and marine origins. A total of 275 SMs have been summarized from terrestrial (153; 55%) and marine (110; 41%) origins during the last twelve years, and 12 (4%) compounds are common to both environments. All secondary metabolites are categorized predominantly on the basis of their bioactivities (cytotoxic, antibacterial, antifungal, and miscellaneous activity). Overall, 134 bioactive compounds were isolated from terrestrial (92; 55%) and marine (42; 34%) origins, but about half the compounds did not report any kind of activity. The antiSMASH results suggested that Diaporthe strains are capable of encoding a wide range of SMs and have tremendous biosynthetic potential for new SMs. This study will be useful for future research on drug discovery from terrestrial and marine natural products.
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Affiliation(s)
- Wei Wei
- School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
| | - Babar Khan
- College of Plant Protection, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing 210095, China
| | - Qun Dai
- School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
| | - Jie Lin
- School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
| | - Liqin Kang
- School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
| | - Nasir Ahmed Rajput
- Department of Plant Pathology, University of Agriculture, Faisalabad 38000, Pakistan
| | - Wei Yan
- College of Plant Protection, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing Agricultural University, Nanjing 210095, China
| | - Guiyou Liu
- School of Life Sciences and Chemical Engineering, Jiangsu Second Normal University, Nanjing 211200, China
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16
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Zhu YQ, Ma CY, Xue H, Piao CG, Li Y, Jiang N. Two new species of Diaporthe (Diaporthaceae, Diaporthales) in China. MycoKeys 2023; 95:209-228. [DOI: 10.3897/mycokeys.95.98969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/17/2023] [Indexed: 03/05/2023] Open
Abstract
Species of Diaporthe have been reported as plant endophytes, pathogens and saprobes on a wide range of plant hosts. Strains of Diaporthe were isolated from leaf spots of Smilax glabra and dead culms of Xanthium strumarium in China, and identified based on morphology and molecular phylogenetic analyses of combined internal transcribed spacer region (ITS), calmodulin (cal), histone H3 (his3), translation elongation factor 1-alpha (tef1) and β-tubulin (tub2) loci. As a result, two new species named Diaporthe rizhaoensis and D. smilacicola are identified, described and illustrated in the present study.
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17
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Abramczyk B, Pecio Ł, Kozachok S, Kowalczyk M, Marzec-Grządziel A, Król E, Gałązka A, Oleszek W. Pioneering Metabolomic Studies on Diaporthe eres Species Complex from Fruit Trees in the South-Eastern Poland. Molecules 2023; 28:molecules28031175. [PMID: 36770841 PMCID: PMC9920373 DOI: 10.3390/molecules28031175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/19/2023] [Accepted: 01/22/2023] [Indexed: 01/26/2023] Open
Abstract
Fungi from the genus Diaporthe have been reported as plant pathogens, endophytes, and saprophytes on a wide range of host plants worldwide. Their precise identification is problematic since many Diaporthe species can colonize a single host plant, whereas the same Diaporthe species can inhabit many hosts. Recently, Diaporthe has been proven to be a rich source of bioactive secondary metabolites. In our initial study, 40 Diaporthe isolates were analyzed for their metabolite production. A total of 153 compounds were identified based on their spectroscopic properties-Ultraviolet-visible and mass spectrometry. From these, 43 fungal metabolites were recognized as potential chemotaxonomic markers, mostly belonging to the drimane sesquiterpenoid-phthalide hybrid class. This group included mainly phytotoxic compounds such as cyclopaldic acid, altiloxin A, B, and their derivatives. To the best of our knowledge, this is the first report on the metabolomic studies on Diaporthe eres species complex from fruit trees in the South-Eastern Poland. The results from our study may provide the basis for the future research on the isolation of identified metabolites and on their bioactive potential for agricultural applications as biopesticides or biofertilizers.
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Affiliation(s)
- Barbara Abramczyk
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
- Correspondence:
| | - Łukasz Pecio
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
- Department of Natural Products Chemistry, Medical University of Lublin, 20-093 Lublin, Poland
| | - Solomiia Kozachok
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - Mariusz Kowalczyk
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - Anna Marzec-Grządziel
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - Ewa Król
- Department of Plant Protection, University of Life Sciences in Lublin, Leszczyńskiego 7, 20-069 Lublin, Poland
| | - Anna Gałązka
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - Wiesław Oleszek
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation—State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
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18
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Toghueo RMK, Vázquez de Aldana BR, Zabalgogeazcoa I. Diaporthe species associated with the maritime grass Festuca rubra subsp. pruinosa. Front Microbiol 2023; 14:1105299. [PMID: 36876098 PMCID: PMC9978114 DOI: 10.3389/fmicb.2023.1105299] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 01/23/2023] [Indexed: 02/18/2023] Open
Abstract
Festuca rubra subsp. pruinosa is a perennial grass growing in sea cliffs where plants are highly exposed to salinity and marine winds, and often grow in rock fissures where soil is absent. Diaporthe species are one of the most abundant components of the root microbiome of this grass and several Diaporthe isolates have been found to produce beneficial effects in their host and other plant species of agronomic importance. In this study, 22 strains of Diaporthe isolated as endophytes from roots of Festuca rubra subsp. pruinosa were characterized by molecular, morphological, and biochemical analyses. Sequences of the nuclear ribosomal internal transcribed spacers (ITS), translation elongation factor 1-α (TEF1), beta-tubulin (TUB), histone-3 (HIS), and calmodulin (CAL) genes were analyzed to identify the isolates. A multi-locus phylogenetic analysis of the combined five gene regions led to the identification of two new species named Diaporthe atlantica and Diaporthe iberica. Diaporthe atlantica is the most abundant Diaporthe species in its host plant, and Diaporthe iberica was also isolated from Celtica gigantea, another grass species growing in semiarid inland habitats. An in vitro biochemical characterization showed that all cultures of D. atlantica produced indole-3-acetic acid and ammonium, and the strains of D. iberica produced indole 3-acetic acid, ammonium, siderophores, and cellulase. Diaporthe atlantica is closely related to D. sclerotioides, a pathogen of cucurbits, and caused a growth reduction when inoculated in cucumber, melon, and watermelon.
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Affiliation(s)
- Rufin Marie Kouipou Toghueo
- Plant-Microorganism Interaction Research Group, Institute of Natural Resources and Agrobiology of Salamanca, Consejo Superior de Investigaciones Científicas (IRNASA-CSIC), Salamanca, Spain
| | - Beatriz R Vázquez de Aldana
- Plant-Microorganism Interaction Research Group, Institute of Natural Resources and Agrobiology of Salamanca, Consejo Superior de Investigaciones Científicas (IRNASA-CSIC), Salamanca, Spain
| | - Iñigo Zabalgogeazcoa
- Plant-Microorganism Interaction Research Group, Institute of Natural Resources and Agrobiology of Salamanca, Consejo Superior de Investigaciones Científicas (IRNASA-CSIC), Salamanca, Spain
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19
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Taxonomy and Multigene Phylogeny of Diaporthales in Guizhou Province, China. J Fungi (Basel) 2022; 8:jof8121301. [PMID: 36547633 PMCID: PMC9785342 DOI: 10.3390/jof8121301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
In a study of fungi isolated from plant material in Guizhou Province, China, we identified 23 strains of Diaporthales belonging to nine species. These are identified from multigene phylogenetic analyses of ITS, LSU, rpb2, tef1, and tub2 gene sequence data coupled with morphological studies. The fungi include a new genus (Pseudomastigosporella) in Foliocryphiaceae isolated from Acer palmatum and Hypericum patulum, a new species of Chrysofolia isolated from Coriaria nepalensis, and five new species of Diaporthe isolated from Juglans regia, Eucommia ulmoides, and Hypericum patulum. Gnomoniopsis rosae and Coniella quercicola are newly recorded species for China.
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20
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Martín L, García-García B, Alguacil MDM. Interactions of the Fungal Community in the Complex Patho-System of Esca, a Grapevine Trunk Disease. Int J Mol Sci 2022; 23:14726. [PMID: 36499052 PMCID: PMC9736784 DOI: 10.3390/ijms232314726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/19/2022] [Accepted: 11/23/2022] [Indexed: 11/26/2022] Open
Abstract
Worldwide, Esca is a complex and devastating Grapevine Trunk Disease (GTD), characterized by inconstant foliar symptoms and internal wood degradation. A large range of fungal taxa have been reported as causal agents. We applied both culture-dependent and culture-independent methods (Illumina Technology and q-PCR) to investigate this concerning disease. Woods from vines with asymptomatic leaves and vines with leaf Esca symptoms were compared. Internally, different types of wood were found, from healthy wood with black necrosis to wood with white rot. A combination of leaf and wood Esca symptoms resulted in four experimental categories. Although there was no relation with symptoms, culture-independent mycobiome composition revealed Phaeomoniella chlamydospora, a GTD pathogen, as the most abundant species (detected in 85.4% of wood samples, with 14.8% relative abundance). Using TaqMan q-PCR, P. chlamydospora DNA was detected in 60.4% of samples (far from the 18.8% of positive results in the culture-dependent approach). There was a predominance of saprotrophs, even if their abundance was not affected by Esca symptoms. Concerning pathotrophs, the white rot development within grapevines was linked to the abundance of fungi belonging to the Hymenochaetaceae family. The Botryosphaeriaceae family was identified as an indicator for expression of Esca foliar symptoms. Lastly, the Aureobasidiaceae family was found to be a potential biocontrol agent for Esca, since it was most abundant in the control asymptomatic plants.
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Affiliation(s)
- Laura Martín
- Plant Protection Department, Scientific and Technological Research Centre of Extremadura (CICYTEX), 06187 Guadajira, Spain
| | - Blanca García-García
- Plant Protection Department, Scientific and Technological Research Centre of Extremadura (CICYTEX), 06187 Guadajira, Spain
| | - María del Mar Alguacil
- CSIC-Centro de Edafología y Biología Aplicada del Segura, Department of Soil and Water Conservation, Campus de Espinardo, 164, 30100 Murcia, Spain
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21
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Samapti MMS, Afroz F, Rony SR, Sharmin S, Moni F, Akhter S, Ahmed SFU, Sohrab MH. Isolation and Identification of Endophytic Fungi from Syzygium cumini Linn and Investigation of Their Pharmacological Activities. ScientificWorldJournal 2022; 2022:9529665. [PMID: 36393829 PMCID: PMC9649304 DOI: 10.1155/2022/9529665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/21/2022] [Indexed: 09/06/2024] Open
Abstract
This study was conducted to isolate and identify the endophytic fungi from the bark and leaves of the Syzygum cumini plant and investigate the pharmacological activities of endophytic fungi along with plant parts. After isolation, endophytic fungi were identified based on morphological characteristics and molecular identification. Antimicrobial, antioxidant, and cytotoxic activities were studied by a disc diffusion method, free radical scavenging DPPH assay, and brine shrimp lethality bioassay, respectively. A total of eight endophytic fungi were isolated and identified up to the genus level based on morphological characteristics and confirmed by molecular identification techniques. Among the eight isolates, three isolates were identified as Colletotrichum sp. (SCBE-2, SCBE-7, and SCLE-9), while the rest of the isolates belonged to Diaporthe sp. (SCBE-1), Pestalotiopsis sp. (SCBE-3), Penicillium sp. (SCBE-4), Phyllosistica sp. (SCLE-7), and Fusarium sp. (SCLE-8). The presence of flavonoids, anthraquinones, coumarins, and isocoumarins was assumed by the preliminary screening of the fungal and plant extracts by a thin-layer chromatographic technique under UV light. Fungal extracts of Pestalotiopsis sp. Penicillium sp. were found sensitive to all test bacteria, but only extracts from the leaf and bark showed significant antifungal activity along with their antimicrobial activity. Penicillium sp. The fungal extract showed the highest free radical scavenging activity (2.43 μg/mL) near that of ascorbic acid (2.42 μg/mL). Some fungal extracts showed cytotoxic activity that, in general, suggests their probable abundance of biological metabolites. This is the first approach to investigate the endophytic fungi of Syzygium cumini Linn. in Bangladesh, to find the pharmacological potential of endophytes, and to explore novel compounds from those endophytes.
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Affiliation(s)
- Mst. Mabiya Sultana Samapti
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
- Department of Pharmacy, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Farhana Afroz
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
| | - Satyajit Roy Rony
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
| | - Suriya Sharmin
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
| | - Fatema Moni
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
| | - Shammi Akhter
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
| | | | - Md. Hossain Sohrab
- Pharmaceutical Sciences Research Division, BCSIR Laboratories, Dhaka, Bangladesh Council of Scientific and Industrial Research, Dhaka-1205, Bangladesh
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22
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López-Moral A, Lovera M, Antón-Domínguez BI, Gámiz AM, Michailides TJ, Arquero O, Trapero A, Agustí-Brisach C. Effects of Cultivar Susceptibility, Branch Age, and Temperature on Infection by Botryosphaeriaceae and Diaporthe Fungi on English Walnut ( Juglans regia). PLANT DISEASE 2022; 106:2920-2926. [PMID: 35380463 DOI: 10.1094/pdis-09-21-2042-re] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Botryosphaeriaceae and Diaporthe fungi have been described as the main causal agents of branch dieback and shoot blight of English walnut (Juglans regia L.). To date, the effects of biotic and abiotic factors on disease development on this host are still poorly understood. Thus, the main goal of this study was to evaluate the effects of cultivar, shoot-branch age, and temperature on infection by Botryosphaeriaceae and Diaporthe fungi on English walnut. The susceptibility of eight commercial cultivars was evaluated against three Botryosphaeriaceae and two Diaporthe species. For the remaining experiments, shoots or branches of 'Chandler' were used. An initial experiment evaluating two inoculation methods was conducted, with inoculation with a mycelial plug being more consistent and useful than conidial suspension inoculation. Cultivar susceptibility varied depending on the fungal species, with 'Chandler' being among the most tolerant cultivars for shoot infection. One-year-old shoots were significantly more sensitive for both Neofusicoccum parvum and Diaporthe neotheicola in comparison with 2- to 4-year-old branches. The effect of temperature on shoot infection was evaluated under 5, 10, 15, 20, 25, 30, and 35°C. Lesion development was significantly higher for N. parvum isolates than for D. neotheicola isolates at all temperatures evaluated, with optimum temperature of shoot infection being ∼26°C for N. parvum and ∼21°C for D. neotheicola.
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Affiliation(s)
- Ana López-Moral
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Campus de Rabanales, Edif. C4, 14071 Córdoba, Spain
| | - María Lovera
- Departamento de Fruticultura Mediterránea, IFAPA, Alameda del Obispo, 14004 Córdoba, Spain
| | - Begoña I Antón-Domínguez
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Campus de Rabanales, Edif. C4, 14071 Córdoba, Spain
| | - Antonio M Gámiz
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Campus de Rabanales, Edif. C4, 14071 Córdoba, Spain
| | - Themis J Michailides
- Kearney Agricultural Research and Extension Center, University of California, Davis, Parlier, CA 93648, U.S.A
| | - Octavio Arquero
- Departamento de Fruticultura Mediterránea, IFAPA, Alameda del Obispo, 14004 Córdoba, Spain
| | - Antonio Trapero
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Campus de Rabanales, Edif. C4, 14071 Córdoba, Spain
| | - Carlos Agustí-Brisach
- Departamento de Agronomía, ETSIAM, Universidad de Córdoba, Campus de Rabanales, Edif. C4, 14071 Córdoba, Spain
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23
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Azevedo-Nogueira F, Rego C, Gonçalves HMR, Fortes AM, Gramaje D, Martins-Lopes P. The road to molecular identification and detection of fungal grapevine trunk diseases. FRONTIERS IN PLANT SCIENCE 2022; 13:960289. [PMID: 36092443 PMCID: PMC9459133 DOI: 10.3389/fpls.2022.960289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
Grapevine is regarded as a highly profitable culture, being well spread worldwide and mostly directed to the wine-producing industry. Practices to maintain the vineyard in healthy conditions are tenuous and are exacerbated due to abiotic and biotic stresses, where fungal grapevine trunk diseases (GTDs) play a major role. The abolishment of chemical treatments and the intensification of several management practices led to an uprise in GTD outbreaks. Symptomatology of GTDs is very similar among diseases, leading to underdevelopment of the vines and death in extreme scenarios. Disease progression is widely affected by biotic and abiotic factors, and the prevalence of the pathogens varies with country and region. In this review, the state-of-the-art regarding identification and detection of GTDs is vastly analyzed. Methods and protocols used for the identification of GTDs, which are currently rather limited, are highlighted. The main conclusion is the utter need for the development of new technologies to easily and precisely detect the presence of the pathogens related to GTDs, allowing to readily take phytosanitary measures and/or proceed to plant removal in order to establish better vineyard management practices. Moreover, new practices and methods of detection, identification, and quantification of infectious material would allow imposing greater control on nurseries and plant exportation, limiting the movement of infected vines and thus avoiding the propagation of fungal inoculum throughout wine regions.
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Affiliation(s)
- Filipe Azevedo-Nogueira
- DNA & RNA Sensing Lab, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI - Instituto de Biosistemas e Ciências Integrativas, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Cecília Rego
- LEAF - Linking Landscape, Environment, Agriculture and Food-Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Lisbon, Portugal
| | | | - Ana Margarida Fortes
- BioISI - Instituto de Biosistemas e Ciências Integrativas, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - David Gramaje
- Institute of Grapevine and Wine Sciences (ICVV), Spanish National Research Council (CSIC), University of La Rioja and Government of La Rioja, Logroño, Spain
| | - Paula Martins-Lopes
- DNA & RNA Sensing Lab, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- BioISI - Instituto de Biosistemas e Ciências Integrativas, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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24
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Chaiwan N, Jeewon R, Pem D, Jayawardena RS, Nazurally N, Mapook A, Promputtha I, Hyde KD. New Species of Discosia rhododendricola, Neopestalotiopsis rhododendricola and New Geographical Record of Diaporthe nobilis from Rhododendron sp. J Fungi (Basel) 2022; 8:jof8090907. [PMID: 36135632 PMCID: PMC9504118 DOI: 10.3390/jof8090907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 12/04/2022] Open
Abstract
In the present study, we report two new asexual fungal species (i.e., Discosia rhododendricola, Neopestalotiopsis rhododendricola (Sporocadaceae) and a new host for a previously described species (i.e., Diaporthe nobilis; Diaporthaceae). All species were isolated from Rhododendron spp. in Kunming, Yunnan Province, China. All taxa are described based on morphology, and phylogenetic relationships were inferred using a multigenic approach (LSU, ITS, RPB2, TEF1 and TUB2). The phylogenetic analyses indicated that D. rhododendronicola sp. nov. is phylogenetically related to D. muscicola, and N. rhododendricola sp. nov is related to N. sonnaratae. Diaporthe nobilis is reported herein as a new host record from Rhododendron sp. for China, and its phylogeny is depicted based on ITS, TEF1 and TUB2 sequence data.
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Affiliation(s)
- Napalai Chaiwan
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Rajesh Jeewon
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Reduit 80837, Mauritius
| | - Dhandevi Pem
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | | | - Nadeem Nazurally
- Department of Agricultural and Food Science, Faculty of Agriculture, University of Mauritius, Reduit 80837, Mauritius
| | - Ausana Mapook
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Itthayakorn Promputtha
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
- Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kevin D. Hyde
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
- Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, China
- Correspondence:
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25
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Hilário S, Gonçalves MFM, Fidalgo C, Tacão M, Alves A. Genome Analyses of Two Blueberry Pathogens: Diaportheamygdali CAA958 and Diaporthe eres CBS 160.32. J Fungi (Basel) 2022; 8:804. [PMID: 36012791 PMCID: PMC9409727 DOI: 10.3390/jof8080804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
The genus Diaporthe includes pathogenic species distributed worldwide and affecting a wide variety of hosts. Diaporthe amygdali and Diaporthe eres have been found to cause cankers, dieback, or twig blights on economically important crops such as soybean, almond, grapevine, and blueberry. Despite their importance as plant pathogens, the strategies of species of Diaporthe to infect host plants are poorly explored. To provide a genomic basis of pathogenicity, the genomes of D. amygdali CAA958 and D. eres CBS 160.32 were sequenced and analyzed. Cellular transporters involved in the transport of toxins, ions, sugars, effectors, and genes implicated in pathogenicity were detected in both genomes. Hydrolases and oxidoreductases were the most prevalent carbohydrate-active enzymes (CAZymes). However, analyses of the secreted proteins revealed that the secretome of D. eres CBS 160.32 is represented by 5.4% of CAZymes, whereas the secreted CAZymes repertoire of D. amygdali CAA958 represents 29.1% of all secretomes. Biosynthetic gene clusters (BGCs) encoding compounds related to phytotoxins and mycotoxins were detected in D. eres and D. amygdali genomes. The core gene clusters of the phytotoxin Fusicoccin A in D. amygdali are reported here through a genome-scale assembly. Comparative analyses of the genomes from 11 Diaporthe species revealed an average of 874 CAZymes, 101 secondary metabolite BGCs, 1640 secreted proteins per species, and genome sizes ranging from 51.5 to 63.6 Mbp. This study offers insights into the overall features and characteristics of Diaporthe genomes. Our findings enrich the knowledge about D. eres and D. amygdali, which will facilitate further research into the pathogenicity mechanisms of these species.
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Affiliation(s)
| | | | | | | | - Artur Alves
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (S.H.); (M.F.M.G.); (C.F.); (M.T.)
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26
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Carbone MJ, Gelabert M, Moreira V, Mondino P, Alaniz S. Grapevine nursery propagation material as source of fungal trunk disease pathogens in Uruguay. FRONTIERS IN FUNGAL BIOLOGY 2022; 3:958466. [PMID: 37746215 PMCID: PMC10512308 DOI: 10.3389/ffunb.2022.958466] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/27/2022] [Indexed: 09/26/2023]
Abstract
Grapevine fungal trunk diseases (GTDs) have become a serious problem for grapevines worldwide. Nursery vines infected during the propagation process are considered one of the main ways of dissemination of GTD pathogens. In this study, we examined the status of GTDs in grapevine planting material, from rootstocks and scion mother cuttings to grafted rooted vines ready to plant, according to the local nursery propagation process. During 2018-2019, internal symptoms of GTDs were examined in 2400 propagation materials and fungal isolations were carried out from a subsample of 1026 selected materials. Our results revealed that nursery grapevine plants produced in Uruguay have a high incidence of GTDs, regardless of the scion/rootstock combination. Typical brown to black streaks and sectorial wood necrosis were observed in materials on all propagation stages, with a markedly increasing incidence throughout the nursery process, reaching almost 100% in grafted rooted vines ready to plant. Botryosphaeria dieback, Petri disease and black-foot disease were the main GTDs found. The results showed that Botryosphaeria dieback and Petri disease pathogens infect materials from the early stages of the process, with a marked increase towards the end of the plant production process, whereas black-foot disease pathogens were found exclusively in vines ready to plant. Diaporthe dieback pathogens were also detected in materials in all stages but in a low proportion (less than 10% of infected material). Based on single locus analysis, the 180 isolates selected were placed into eight genera and 89% identified within 22 fungal species associated with GTDs, with Phaeoacremonium oleae and Diaporthe terebinthifolii as new records on grapevine worldwide. Our results have concluded that locally produced vines are one of the main ways of dissemination of GTD pathogens and showed that a nursery sanitation programme is required to reduce the incidence of these diseases.
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Affiliation(s)
- María Julia Carbone
- Departamento de Protección Vegetal, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
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27
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Cao L, Luo D, Lin W, Yang Q, Deng X. Four new species of Diaporthe (Diaporthaceae, Diaporthales) from forest plants in China. MycoKeys 2022; 91:25-47. [PMID: 36760894 PMCID: PMC9849071 DOI: 10.3897/mycokeys.91.84970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/13/2022] [Indexed: 11/12/2022] Open
Abstract
Species of Diaporthe inhabit a wide range of plant hosts as plant pathogens, endophytes and saprobes. During trips to collect forest pathogens in Beijing, Jiangxi, Shaanxi and Zhejiang Provinces in China, 16 isolates of Diaporthe were obtained from branch cankers and leaf spots. These isolates were studied by applying a polyphasic approach including morphological, cultural data, and phylogenetic analyses of the nuclear ribosomal internal transcribed spacer (ITS), calmodulin (cal), histone H3 (his3), partial translation elongation factor-1α (tef-1α) and β-tubulin (tub2) loci. Results revealed four new taxa, D.celticola, D.meliae, D.quercicola, D.rhodomyrti spp. nov. and two known species, D.eres and D.multiguttulata.
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Affiliation(s)
- Lingxue Cao
- Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
| | - Dun Luo
- Key Laboratory of National Forestry and Grassland Administration for Control of Diseases and Pests of South Plantation, Central South University of Forestry and Technology, Changsha 410004, China
| | - Wu Lin
- Key Laboratory of National Forestry and Grassland Administration for Control of Diseases and Pests of South Plantation, Central South University of Forestry and Technology, Changsha 410004, China
| | - Qin Yang
- Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
| | - Xiaojun Deng
- Hunan Provincial Key Laboratory for Control of Forest Diseases and Pests, Central South University of Forestry and Technology, Changsha 410004, China
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28
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Matio Kemkuignou B, Schweizer L, Lambert C, Anoumedem EGM, Kouam SF, Stadler M, Marin-Felix Y. New polyketides from the liquid culture of Diaporthebreyniae sp. nov. (Diaporthales, Diaporthaceae). MycoKeys 2022; 90:85-118. [PMID: 36760420 PMCID: PMC9849082 DOI: 10.3897/mycokeys.90.82871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/02/2022] [Indexed: 11/12/2022] Open
Abstract
During the course of a study on the biodiversity of endophytes from Cameroon, a fungal strain was isolated. A multigene phylogenetic inference using five DNA loci revealed that this strain represents an undescribed species of Diaporthe, which is introduced here as D.breyniae. Investigation into the chemistry of this fungus led to the isolation of two previously undescribed secondary metabolites for which the trivial names fusaristatins G (7) and H (8) are proposed, together with eleven known compounds. The structures of all of the metabolites were established by using one-dimensional (1D) and two-dimensional (2D) Nuclear Magnetic Resonance (NMR) spectroscopic data in combination with High-Resolution ElectroSpray Ionization Mass Spectrometry (HR-ESIMS) data. The absolute configuration of phomopchalasin N (4), which was reported for the first time concurrently to the present publication, was determined by analysis of its Rotating frame Overhauser Effect SpectroscopY (ROESY) spectrum and by comparison of its Electronic Circular Dichroism (ECD) spectrum with that of related compounds. A selection of the isolated secondary metabolites were tested for antimicrobial and cytotoxic activities, and compounds 4 and 7 showed weak antifungal and antibacterial activity. On the other hand, compound 4 showed moderate cytotoxic activity against all tested cancer cell lines with IC50 values in the range of 5.8-45.9 µM. The latter was found to be less toxic than the other isolated cytochalasins (1-3) and gave hints in regards to the structure-activity relationship (SAR) of the studied cytochalasins. Fusaristatin H (8) also exhibited weak cytotoxicity against KB3.1 cell lines with an IC50 value of 30.3 µM. Graphical abstract.
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Affiliation(s)
- Blondelle Matio Kemkuignou
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF)BraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
| | - Lena Schweizer
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF)BraunschweigGermany
| | - Christopher Lambert
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF)BraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
| | - Elodie Gisèle M. Anoumedem
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, Yaoundé P.O. Box 47, CameroonUniversity of Yaoundé IYaoundeCameroon
| | - Simeon F. Kouam
- Department of Chemistry, Higher Teacher Training College, University of Yaoundé I, Yaoundé P.O. Box 47, CameroonUniversity of Yaoundé IYaoundeCameroon
| | - Marc Stadler
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF)BraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
| | - Yasmina Marin-Felix
- Department of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, GermanyDepartment of Microbial Drugs, Helmholtz Centre for Infection Research (HZI) and German Centre for Infection Research (DZIF)BraunschweigGermany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, GermanyTechnische Universität BraunschweigBraunschweigGermany
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Xiuming H, Zheng MH, Ao J, Wang H, Peng L, Zhou H. Occurrence of Leaf Spot Caused by Diaporthe phaseolorum on Bletilla striata in China. PLANT DISEASE 2022; 106:3200. [PMID: 35417185 DOI: 10.1094/pdis-01-22-0138-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Bletilla striata (Thunb.) Rchb. f. (Orchidaceae) is a traditional Chinese medicinal plant widely distributed in eastern and southern Asia. In April of 2020, a leaf spot disease on B. striata was observed in plant nurseries in Guilin, Guangxi Province, China. Disease incidence was estimated at approximately 20% (n = 150 plants) across the survey area (~ 0.3 ha). The initial symptoms were small, reddish to brown spots, circular or irregular in shape. Subsequently, they developed into large dark brown, irregular lesions. As the lesions coalesced, leaves withered and defoliated. To isolate the causal agent, eighteen small pieces (~ 5 mm2) were collected from the margin of the necrotic lesions on Chinese ground orchid, surface disinfected (2 min in 1% NaOCl, and rinsed three times in sterile water), and placed on potato dextrose agar (PDA) at 26°C for 3 days. Hyphal tips were transferred to PDA to obtain pure cultures. Twelve isolates were obtained, of which eight isolates had similar morphological characteristics. After 7 days growth on PDA, colonies were grayish-white, fluffy, with white aerial mycelium. After 3 weeks, colonies formed white aerial mycelial mats, and pycnidia developed. The α-conidia were abundant, hyaline, aseptate, ellipsoidal to fusiform, measuring 4.6 to 6.7 μm × 2.1 to 3.0 μm (n = 55), whereas the β-conidia were hyaline, long, slender, straight or curved, measuring 10.3 to 17.2 μm × 0.9 to 1.8 μm (n = 59). Morphological features were similar to Diaporthe sp. (Santos et al. 2011, Udayanga et al. 2015). For further molecular identification, DNA was extracted from the mycelia of the representative isolate BJ26.3 following the CTAB (cetyltrimethylammonium bromide) method (Guo et al. 2000). The internal transcribed spacer (ITS) region, partial translational elongation factor subunit 1-α (EF-1α), calmodulin (CAL) , histone H3 (HIS3), β-tubulin (TUB) genes were amplified and sequenced using the primer pairs ITS1/ITS4, EF1-728F/EF1-986R, CAL-228F/CAL-737R, CYLH3F/H3-1b, and Bt2a/Bt2b, respectively (White et al. 1990, Guarnaccia et al. 2018). The obtained sequences were deposited in NCBI GenBank under the following accession numbers: OK560457, OK539595, OK539592, OK506726, OK539598. BLAST analysis of the deposited sequences showed 99 to 100% identity with accession numbers KC343177 (563/566 bp), KC343903 (521/523 bp), KC343419 (423/427 bp), KC343661 (340/340 bp), KC344145 (658/662 bp) of D. phaseolorum CBS 127465 (Guarnaccia et al. 2018). In addition, a phylogenetic analysis using concatenated sequences confirmed BJ26.3 as D. phaseolorum. Furthermore, pathogenicity tests were carried out on 1.5-year-old B. striata plants. Healthy leaves on three plants (1 leaf per plant) were inoculated with 5 × 5 mm mycelial discs of strain BJ-26.3 from 3-day-old PDA cultures. Another three plants treated with sterile water served as the control. All plants were covered with transparent plastic bags and maintained in a greenhouse at 26°C with a 12 h photoperiod. Nine days post-inoculation, the inoculated leaves showed leaf spot symptoms, while the control plants remained healthy. The experiments repeated three times showed similar results. Finally, D. phaseolorum was consistently re-isolated from the infected leaves and confirmed by morphology and sequencing, fulfilling Koch's postulates. To our knowledge, this is the first report of D. phaseolorum causing leaf spot of B. striata worldwide. This study might provide important information for growers to manage this disease.
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Affiliation(s)
- Hou Xiuming
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi University for Nationalities, Nanning, China;
| | - Miao-Hua Zheng
- Guangxi University for Nationalities, 47874, Guangxi Colleges and Universities Key Laboratory of Utilization of Microbial and Botanical Resources, Nanning, Guangxi, China;
| | - Jiajia Ao
- Guangxi University for Nationalities, 47874, Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Nanning, Guangxi, China;
| | - Hanyi Wang
- Guangxi University for Nationalities, 47874, Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Guangxi University for Nationalities, 158 University West Road, Nanning, Guangxi Province, China, 530000;
| | - Lianlian Peng
- Guangxi University for Nationalities, 47874, Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Nanning, Guangxi, China;
| | - Hao Zhou
- Guangxi University for Nationalities, 47874, Guangxi Key Laboratory for Polysaccharide Materials and Modifications, 188 Daxuedong Road, Nanning, Guangxi, China, 530006
- Guangxi University for Nationalities, 47874, Key Laboratory of Protection and Utilization of Marine Resources, 188 Daxuedong Road, Nanning, China, 530006;
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Gonzalez-Dominguez E, Caffi T, Paolini A, Mugnai L, Latinović N, Latinović J, Languasco L, Rossi V. Development and Validation of a Mechanistic Model That Predicts Infection by Diaporthe ampelina, the Causal Agent of Phomopsis Cane and Leaf Spot of Grapevines. FRONTIERS IN PLANT SCIENCE 2022; 13:872333. [PMID: 35463401 PMCID: PMC9021785 DOI: 10.3389/fpls.2022.872333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/23/2022] [Indexed: 05/29/2023]
Abstract
Phomopsis cane and leaf spot (PCLS), known in Europe as "excoriose," is an important fungal disease of grapevines caused by Diaporthe spp., and most often by Diaporthe ampelina (synonym Phomopsis viticola). PCLS is re-emerging worldwide, likely due to climate change, changes in the management of downy mildew from calendar- to risk-based criteria that eliminate early-season (unnecessary) sprays, and the progressive reduction in the application of broad-spectrum fungicides. In this study, a mechanistic model for D. ampelina infection was developed based on published information. The model accounts for the following processes: (i) overwintering and maturation of pycnidia on affected canes; (ii) dispersal of alpha conidia to shoots and leaves; (iii) infection; and (iv) onset of disease symptoms. The model uses weather and host phenology to predict infection periods and disease progress during the season. Model output was validated against 11 independent PCLS epidemics that occurred in Italy (4 vineyards in 2019 and 2020) and Montenegro (3 vineyards in 2020). The model accurately predicted PCLS disease progress, with a concordance correlation coefficient (CCC) = 0.925 between observed and predicted data. A ROC analysis (AUROC>0.7) confirmed the ability of the model to predict the infection periods leading to an increase in PCLS severity in the field, indicating that growers could use the model to perform risk-based fungicide applications.
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Affiliation(s)
| | - Tito Caffi
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Aurora Paolini
- Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), Plant Pathology and Entomology Section, University of Florence, Firenze, Italy
| | - Laura Mugnai
- Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), Plant Pathology and Entomology Section, University of Florence, Firenze, Italy
| | | | - Jelena Latinović
- Biotechnical Faculty, University of Montenegro, Podgorica, Montenegro
| | - Luca Languasco
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Vittorio Rossi
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, Piacenza, Italy
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Vučković N, Vico I, Duduk B, Duduk N. Diversity of Botryosphaeriaceae and Diaporthe Species Associated with Postharvest Apple Fruit Decay in Serbia. PHYTOPATHOLOGY 2022; 112:929-943. [PMID: 34664974 DOI: 10.1094/phyto-07-21-0304-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Family Botryosphaeriaceae and the genus Diaporthe (family Diaporthaceae) represent diverse groups of plant pathogens, which include causal agents of leaf spot, shoot blight, branch and stem cankers, dieback, and pre- and postharvest apple fruit decay. Apple fruit with symptoms of light to dark brown decay were collected during and after harvest from 2016 to 2018. Thirty selected isolates, on which pathogenicity was confirmed, were identified and characterized based on multilocus phylogeny and morphology. Five species from the family Botryosphaeriaceae and two from the genus Diaporthe (fam. Diaporthaceae) were discovered. The most commonly isolated was Diplodia seriata followed by Botryosphaeria dothidea. In this work, Diaporthe rudis is described as a new postharvest pathogen of apple fruit. Diplodia bulgarica, Diplodia sapinea, Neofusicoccum yunnanense, and Diaporthe eres are initially described as postharvest apple and D. sapinea as postharvest quince and medlar fruit pathogens in Serbia. Because species of the family Botryosphaeriaceae and the genus Diaporthe are known to cause other diseases on their hosts, have an endophytic nature, and have a wide host range, findings from this study imply that they may become a new challenge for successful fruit production.
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Affiliation(s)
- Nina Vučković
- University of Belgrade-Faculty of Agriculture, Belgrade, Serbia
| | - Ivana Vico
- University of Belgrade-Faculty of Agriculture, Belgrade, Serbia
| | - Bojan Duduk
- Institute of Pesticides and Environmental Protection, Belgrade, Serbia
| | - Nataša Duduk
- University of Belgrade-Faculty of Agriculture, Belgrade, Serbia
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Špetík M, Balík J, Híc P, Hakalová E, Štůsková K, Frejlichová L, Tříska J, Eichmeier A. Lignans Extract from Knotwood of Norway Spruce—A Possible New Weapon against GTDs. J Fungi (Basel) 2022; 8:jof8040357. [PMID: 35448588 PMCID: PMC9025846 DOI: 10.3390/jof8040357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 12/10/2022] Open
Abstract
Grapevine trunk diseases (GTDs) pose a major threat to the wine industry worldwide. Currently, efficient biological methods or chemical compounds are not available for the treatment of infected grapevines. In the present study, we used an extract from the knotwood of spruce trees as a biological control against GTDs. Our in vitro trial was focused on the antifungal effects of the extract against the most common GTD pathogens—Cadophora luteo-olivacea, Dactylonectria torresensis, Diaporthe ampelina, Diaporthe bohemiae, Diplodia seriata, Eutypa lata, and Phaeoacremonium minimum. Our in vitro trial revealed a high antifungal effect of the extract against all tested fungi. The inhibition rates varied among the different species from 30% to 100% using 1 mg·mL−1 extract. Subsequently, the efficiency of the extract was supported by an in planta experiment. Commercial grafts of Vitis vinifera were treated with the extract and planted. The total genomic DNA of grapevines was extracted 10 days and 180 days after the treatment. The fungal microbial diversities of the treated/untreated plants were compared using high-throughput amplicon sequencing (HTAS). Treated plants showed 76.9% lower relative abundance of the genus Diaporthe and 70% lower relative abundance of the genus Phaeoacremonium 10 days after treatment. A similar scenario was observed for the genus Cadophora 180 days after treatment, where treated plants showed 76% lower relative abundance of this genus compared with untreated grapevines.
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Affiliation(s)
- Milan Špetík
- Mendeleum-Institute of Genetics, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Josef Balík
- Department of Post-Harvest Technology of Horticultural Products, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Pavel Híc
- Department of Post-Harvest Technology of Horticultural Products, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Eliška Hakalová
- Mendeleum-Institute of Genetics, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Kateřina Štůsková
- Mendeleum-Institute of Genetics, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Lucie Frejlichová
- Mendeleum-Institute of Genetics, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
| | - Jan Tříska
- Global Change Research Institute CAS, Bělidla 986/4a, 603 00 Brno, Czech Republic
| | - Aleš Eichmeier
- Mendeleum-Institute of Genetics, Faculty of Horticulture, Mendel University in Brno, Valtická 334, 691 44 Lednice na Moravě, Czech Republic
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Variation in Fungal Community in Grapevine ( Vitis vinifera) Nursery Stock Depends on Nursery, Variety and Rootstock. J Fungi (Basel) 2022; 8:jof8010047. [PMID: 35049987 PMCID: PMC8778211 DOI: 10.3390/jof8010047] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/29/2021] [Accepted: 12/30/2021] [Indexed: 02/06/2023] Open
Abstract
Grapevine trunk diseases (GTDs) are caused by cryptic complexes of fungal pathogens and have become a growing problem for new grapevine (Vitis vinifera) plantations. We studied the role of the nursery, variety, and rootstock in the composition of the fungal communities in root collars and graft unions of planting material in Catalonia (NE Spain). We compared necrosis and fungal communities in graft unions and root collars at harvest, and then after three months of cold storage. We evaluated combinations of eleven red and five white varieties with four common rootstocks coming from six nurseries. Fungal communities were characterized by isolation and metabarcoding of the ITS2 region. Our data suggests that nursery followed by rootstock and variety had significant effects on necrosis and fungal community structure in graft and root tissues. Within the plant, we found large differences in terms fungal community distribution between graft and root tissues. Graft unions housed a significantly higher relative abundance of GTD-related Operational Taxonomic Units (OTUs) than root collars. More severe necrosis was correlated with a lower relative abundance of GTD-related OTUs based on isolation and metabarcoding analyses. Our results suggest that nurseries and therefore their plant production practices play a major role in determining the fungal and GTD-related fungal community in grapevine plants sold for planting. GTD variation across rootstocks and varieties could be explored as a venue for minimizing pathogen load in young plantations.
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Fournier P, Pellan L, Barroso-Bergadà D, Bohan DA, Candresse T, Delmotte F, Dufour MC, Lauvergeat V, Le Marrec C, Marais A, Martins G, Masneuf-Pomarède I, Rey P, Sherman D, This P, Frioux C, Labarthe S, Vacher C. The functional microbiome of grapevine throughout plant evolutionary history and lifetime. ADV ECOL RES 2022. [DOI: 10.1016/bs.aecr.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Jiang N, Voglmayr H, Piao CG, Li Y. Two new species of Diaporthe ( Diaporthaceae, Diaporthales) associated with tree cankers in the Netherlands. MycoKeys 2021; 85:31-56. [PMID: 34934385 PMCID: PMC8648711 DOI: 10.3897/mycokeys.85.73107] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/09/2021] [Indexed: 11/28/2022] Open
Abstract
Diaporthe (Diaporthaceae, Diaporthales) is a common fungal genus inhabiting plant tissues as endophytes, pathogens and saprobes. Some species are reported from tree branches associated with canker diseases. In the present study, Diaporthe samples were collected from Alnusglutinosa, Fraxinusexcelsior and Quercusrobur in Utrecht, the Netherlands. They were identified to species based on a polyphasic approach including morphology, pure culture characters, and phylogenetic analyses of a combined matrix of partial ITS, cal, his3, tef1 and tub2 gene regions. As a result, four species (viz. Diaporthepseudoalnea sp. nov. from Alnusglutinosa, Diaporthesilvicola sp. nov. from Fraxinusexcelsior, D.foeniculacea and D.rudis from Quercusrobur) were revealed from tree branches in the Netherlands. Diaporthepseudoalnea differs from D.eres (syn. D.alnea) by its longer conidiophores. Diaporthesilvicola is distinguished from D.fraxinicola and D.fraxini-angustifoliae by larger alpha conidia.
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Affiliation(s)
- Ning Jiang
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Institute of Forest Ecology, Environment and Nature Conservation, Chinese Academy of Forestry, Beijing 100091, China Environment and Nature Conservation, Chinese Academy of Forestry Beijing China.,The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China University of Vienna Vienna Austria
| | - Hermann Voglmayr
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, A-1030 Vienna, Austria Beijing Forestry University Beijing China
| | - Chun-Gen Piao
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Institute of Forest Ecology, Environment and Nature Conservation, Chinese Academy of Forestry, Beijing 100091, China Environment and Nature Conservation, Chinese Academy of Forestry Beijing China
| | - Yong Li
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Institute of Forest Ecology, Environment and Nature Conservation, Chinese Academy of Forestry, Beijing 100091, China Environment and Nature Conservation, Chinese Academy of Forestry Beijing China
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Hilário S, Santos L, Phillips AJL, Alves A. Caveats of the internal transcribed spacer region as a barcode to resolve species boundaries in Diaporthe. Fungal Biol 2021; 126:54-74. [PMID: 34930559 DOI: 10.1016/j.funbio.2021.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 07/13/2021] [Accepted: 10/25/2021] [Indexed: 01/03/2023]
Abstract
Species in Diaporthe are largely reported as important plant pathogens. Identification of species in this genus has been complemented by morphological and molecular features. However, one important factor delaying this process is the struggle to formulate robust species concepts to create adequate international phytosanitary measures. Regardless of the wide use of the internal transcribed spacer (ITS) rDNA region, established as the primary DNA barcode for fungi, the tendency for intraspecific variation has been reported, misleading interpretation of phylogenetic analyses. Therefore, the present study aimed to illustrate, using specific examples, how the ITS region may be problematic for species delimitation. We showed that the ITS region is highly variable, with strains of Diaporthe malorum and Diaporthe novem falling into more than one clade, which if analyzed on their own, would be likely recognized as distinct taxa. Divergent ITS paralogs were also proven to coexist within the genome of D. novem. We also suggest that ITS may have escaped from concerted evolution or has undergone a duplication event. Furthermore, this study reports for the first time the existence of a putative hybrid in the genus Diaporthe. Our findings offer new clues towards the intraspecific and intragenomic variation in the ITS region, raising questions about its value for barcoding, i.e., identifying species in the genus Diaporthe. Therefore, we recommend that the ITS region be analyzed cautiously and always compared for congruence prior to description of novel taxa.
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Affiliation(s)
- Sandra Hilário
- CESAM, Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - Liliana Santos
- CESAM, Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - Alan J L Phillips
- Biosystems and Integrative Sciences Institute (BioISI), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal.
| | - Artur Alves
- CESAM, Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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Boonmee S, Wanasinghe DN, Calabon MS, Huanraluek N, Chandrasiri SKU, Jones GEB, Rossi W, Leonardi M, Singh SK, Rana S, Singh PN, Maurya DK, Lagashetti AC, Choudhary D, Dai YC, Zhao CL, Mu YH, Yuan HS, He SH, Phookamsak R, Jiang HB, Martín MP, Dueñas M, Telleria MT, Kałucka IL, Jagodziński AM, Liimatainen K, Pereira DS, Phillips AJL, Suwannarach N, Kumla J, Khuna S, Lumyong S, Potter TB, Shivas RG, Sparks AH, Vaghefi N, Abdel-Wahab MA, Abdel-Aziz FA, Li GJ, Lin WF, Singh U, Bhatt RP, Lee HB, Nguyen TTT, Kirk PM, Dutta AK, Acharya K, Sarma VV, Niranjan M, Rajeshkumar KC, Ashtekar N, Lad S, Wijayawardene NN, Bhat DJ, Xu RJ, Wijesinghe SN, Shen HW, Luo ZL, Zhang JY, Sysouphanthong P, Thongklang N, Bao DF, Aluthmuhandiram JVS, Abdollahzadeh J, Javadi A, Dovana F, Usman M, Khalid AN, Dissanayake AJ, Telagathoti A, Probst M, Peintner U, Garrido-Benavent I, Bóna L, Merényi Z, Boros L, Zoltán B, Stielow JB, Jiang N, Tian CM, Shams E, Dehghanizadeh F, Pordel A, Javan-Nikkhah M, Denchev TT, Denchev CM, Kemler M, Begerow D, Deng CY, Harrower E, Bozorov T, Kholmuradova T, Gafforov Y, Abdurazakov A, Xu JC, Mortimer PE, Ren GC, Jeewon R, Maharachchikumbura SSN, Phukhamsakda C, Mapook A, Hyde KD. Fungal diversity notes 1387-1511: taxonomic and phylogenetic contributions on genera and species of fungal taxa. FUNGAL DIVERS 2021; 111:1-335. [PMID: 34899100 PMCID: PMC8648402 DOI: 10.1007/s13225-021-00489-3] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 08/10/2021] [Indexed: 01/01/2023]
Abstract
This article is the 13th contribution in the Fungal Diversity Notes series, wherein 125 taxa from four phyla, ten classes, 31 orders, 69 families, 92 genera and three genera incertae sedis are treated, demonstrating worldwide and geographic distribution. Fungal taxa described and illustrated in the present study include three new genera, 69 new species, one new combination, one reference specimen and 51 new records on new hosts and new geographical distributions. Three new genera, Cylindrotorula (Torulaceae), Scolecoleotia (Leotiales genus incertae sedis) and Xenovaginatispora (Lindomycetaceae) are introduced based on distinct phylogenetic lineages and unique morphologies. Newly described species are Aspergillus lannaensis, Cercophora dulciaquae, Cladophialophora aquatica, Coprinellus punjabensis, Cortinarius alutarius, C. mammillatus, C. quercoflocculosus, Coryneum fagi, Cruentomycena uttarakhandina, Cryptocoryneum rosae, Cyathus uniperidiolus, Cylindrotorula indica, Diaporthe chamaeropicola, Didymella azollae, Diplodia alanphillipsii, Dothiora coronicola, Efibula rodriguezarmasiae, Erysiphe salicicola, Fusarium queenslandicum, Geastrum gorgonicum, G. hansagiense, Helicosporium sexualis, Helminthosporium chiangraiensis, Hongkongmyces kokensis, Hydrophilomyces hydraenae, Hygrocybe boertmannii, Hyphoderma australosetigerum, Hyphodontia yunnanensis, Khaleijomyces umikazeana, Laboulbenia divisa, Laboulbenia triarthronis, Laccaria populina, Lactarius pallidozonarius, Lepidosphaeria strobelii, Longipedicellata megafusiformis, Lophiotrema lincangensis, Marasmius benghalensis, M. jinfoshanensis, M. subtropicus, Mariannaea camelliae, Melanographium smilaxii, Microbotryum polycnemoides, Mimeomyces digitatus, Minutisphaera thailandensis, Mortierella solitaria, Mucor harpali, Nigrograna jinghongensis, Odontia huanrenensis, O. parvispina, Paraconiothyrium ajrekarii, Parafuscosporella niloticus, Phaeocytostroma yomensis, Phaeoisaria synnematicus, Phanerochaete hainanensis, Pleopunctum thailandicum, Pleurotheciella dimorphospora, Pseudochaetosphaeronema chiangraiense, Pseudodactylaria albicolonia, Rhexoacrodictys nigrospora, Russula paravioleipes, Scolecoleotia eriocamporesi, Seriascoma honghense, Synandromyces makranczyi, Thyridaria aureobrunnea, Torula lancangjiangensis, Tubeufia longihelicospora, Wicklowia fusiformispora, Xenovaginatispora phichaiensis and Xylaria apiospora. One new combination, Pseudobactrodesmium stilboideus is proposed. A reference specimen of Comoclathris permunda is designated. New host or distribution records are provided for Acrocalymma fici, Aliquandostipite khaoyaiensis, Camarosporidiella laburni, Canalisporium caribense, Chaetoscutula juniperi, Chlorophyllum demangei, C. globosum, C. hortense, Cladophialophora abundans, Dendryphion hydei, Diaporthe foeniculina, D. pseudophoenicicola, D. pyracanthae, Dictyosporium pandanicola, Dyfrolomyces distoseptatus, Ernakulamia tanakae, Eutypa flavovirens, E. lata, Favolus septatus, Fusarium atrovinosum, F. clavum, Helicosporium luteosporum, Hermatomyces nabanheensis, Hermatomyces sphaericoides, Longipedicellata aquatica, Lophiostoma caudata, L. clematidis-vitalbae, Lophiotrema hydei, L. neoarundinaria, Marasmiellus palmivorus, Megacapitula villosa, Micropsalliota globocystis, M. gracilis, Montagnula thailandica, Neohelicosporium irregulare, N. parisporum, Paradictyoarthrinium diffractum, Phaeoisaria aquatica, Poaceascoma taiwanense, Saproamanita manicata, Spegazzinia camelliae, Submersispora variabilis, Thyronectria caudata, T. mackenziei, Tubeufia chiangmaiensis, T. roseohelicospora, Vaginatispora nypae, Wicklowia submersa, Xanthagaricus necopinatus and Xylaria haemorrhoidalis. The data presented herein are based on morphological examination of fresh specimens, coupled with analysis of phylogenetic sequence data to better integrate taxa into appropriate taxonomic ranks and infer their evolutionary relationships.
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Affiliation(s)
- Saranyaphat Boonmee
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Dhanushka N. Wanasinghe
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
- CIFOR-ICRAF China Program, World Agroforestry (ICRAF), Kunming, 650201 Yunnan People’s Republic of China
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Honghe County, Kunming, 654400 Yunnan People’s Republic of China
| | - Mark S. Calabon
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Naruemon Huanraluek
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Sajini K. U. Chandrasiri
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Gareth E. B. Jones
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Walter Rossi
- Section Environmental Sciences, Department MeSVA, University of L’Aquila, 67100 Coppito, AQ Italy
| | - Marco Leonardi
- Section Environmental Sciences, Department MeSVA, University of L’Aquila, 67100 Coppito, AQ Italy
| | - Sanjay K. Singh
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Shiwali Rana
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Paras N. Singh
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Deepak K. Maurya
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Ajay C. Lagashetti
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Deepika Choudhary
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Yu-Cheng Dai
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083 People’s Republic of China
| | - Chang-Lin Zhao
- College of Biodiversity Conservation, Southwest Forestry University, Kunming, 650224 People’s Republic of China
| | - Yan-Hong Mu
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164 People’s Republic of China
- University of the Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Hai-Sheng Yuan
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164 People’s Republic of China
| | - Shuang-Hui He
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083 People’s Republic of China
| | - Rungtiwa Phookamsak
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
- CIFOR-ICRAF China Program, World Agroforestry (ICRAF), Kunming, 650201 Yunnan People’s Republic of China
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Honghe County, Kunming, 654400 Yunnan People’s Republic of China
- Centre for Mountain Futures (CMF), Kunming Institute of Botany, Kunming, 650201 Yunnan People’s Republic of China
| | - Hong-Bo Jiang
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
| | - María P. Martín
- Department of Mycology, Real Jardín Botánico-CSIC, Plaza de Murillo 2, 28014 Madrid, Spain
| | - Margarita Dueñas
- Department of Mycology, Real Jardín Botánico-CSIC, Plaza de Murillo 2, 28014 Madrid, Spain
| | - M. Teresa Telleria
- Department of Mycology, Real Jardín Botánico-CSIC, Plaza de Murillo 2, 28014 Madrid, Spain
| | - Izabela L. Kałucka
- Department of Algology and Mycology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland
| | | | - Kare Liimatainen
- Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, TW9 3DS Surrey UK
| | - Diana S. Pereira
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal
| | - Alan J. L. Phillips
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal
| | - Nakarin Suwannarach
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Jaturong Kumla
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Surapong Khuna
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Saisamorn Lumyong
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Academy of Science, The Royal Society of Thailand, 10300 Bangkok, Thailand
| | - Tarynn B. Potter
- Centre for Crop Health, University of Southern Queensland, Toowoomba, QLD 4350 Australia
| | - Roger G. Shivas
- Centre for Crop Health, University of Southern Queensland, Toowoomba, QLD 4350 Australia
- Department of Agriculture and Fisheries, Dutton Park, QLD 4102 Australia
| | - Adam H. Sparks
- Centre for Crop Health, University of Southern Queensland, Toowoomba, QLD 4350 Australia
- Department of Primary Industries and Regional Development, Bentley Delivery Centre, Locked Bag 4, Bentley, WA 6983 Australia
| | - Niloofar Vaghefi
- Centre for Crop Health, University of Southern Queensland, Toowoomba, QLD 4350 Australia
| | - Mohamed A. Abdel-Wahab
- Department of Botany and Microbiology, Faculty of Science, Sohag University, Sohag, 82524 Egypt
| | - Faten A. Abdel-Aziz
- Department of Botany and Microbiology, Faculty of Science, Sohag University, Sohag, 82524 Egypt
| | - Guo-Jie Li
- Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Collaborative Innovation Center of Vegetable, College of Horticulture, Hebei Agricultural University, No 2596 South Lekai Rd, Lianchi District, Baoding, 071001 Hebei China
| | - Wen-Fei Lin
- Institute of Edible and Medicinal Fungi, College of Life Science, Zhejiang University, 866 Yuhangtang Rd, Xihu District, Hangzhou, 310058 Zhejiang China
| | - Upendra Singh
- Department of Botany & Microbiology, HNB Garhwal University, Uttarakhand 246174 Srinagar, Garhwal, India
| | - Rajendra P. Bhatt
- Department of Botany & Microbiology, HNB Garhwal University, Uttarakhand 246174 Srinagar, Garhwal, India
| | - Hyang Burm Lee
- Environmental Microbiology Lab, Department of Agricultural Biological Chemistry, College of Agriculture & Life Sciences, Chonnam National University, Gwangju, 61186 Korea
| | - Thuong T. T. Nguyen
- Environmental Microbiology Lab, Department of Agricultural Biological Chemistry, College of Agriculture & Life Sciences, Chonnam National University, Gwangju, 61186 Korea
| | - Paul M. Kirk
- Biodiversity Informatics and Spatial Analysis, Royal Botanic Gardens Kew, Richmond, TW9 3DS Surrey UK
| | - Arun Kumar Dutta
- Department of Botany, West Bengal State University, North-24-Parganas, Barasat, West Bengal PIN- 700126 India
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, West Bengal 700019 India
| | - Krishnendu Acharya
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, West Bengal 700019 India
| | - V. Venkateswara Sarma
- Fungal Biotechnology Laboratory, Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, 605014 India
| | - M. Niranjan
- Fungal Biotechnology Laboratory, Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, 605014 India
- Department of Botany, Rajiv Gandhi University, Rono Hills, Doimukh, Itanagar, Arunachal Pradesh 791112 India
| | - Kunhiraman C. Rajeshkumar
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Nikhil Ashtekar
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Sneha Lad
- National Fungal Culture Collection of India (NFCCI), Biodiversity and Palaeobiology Group, MACS Agharkar Research Institute, G.G. Agarkar Road, Pune, 411 004 India
| | - Nalin N. Wijayawardene
- Center for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing, 655011 Yunnan People’s Republic of China
| | - Darbe J. Bhat
- Azad Housing Society, No. 128/1-J, Goa Velha, Curca, Goa India
| | - Rong-Ju Xu
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
| | - Subodini N. Wijesinghe
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Hong-Wei Shen
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- College of Agriculture and Biological Sciences, Dali University, Dali, 671003 People’s Republic of China
| | - Zong-Long Luo
- College of Agriculture and Biological Sciences, Dali University, Dali, 671003 People’s Republic of China
| | - Jing-Yi Zhang
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, 550003 People’s Republic of China
| | - Phongeun Sysouphanthong
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- Biotechnology and Ecology Institute, Ministry of Agriculture and Forestry, P.O. Box: 811, Vientiane Capital, Lao People’s Democratic Republic
| | - Naritsada Thongklang
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Dan-Feng Bao
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- College of Agriculture and Biological Sciences, Dali University, Dali, 671003 People’s Republic of China
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Janith V. S. Aluthmuhandiram
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097 People’s Republic of China
| | - Jafar Abdollahzadeh
- Department of Plant Protection, Agriculture Faculty, University of Kurdistan, P.O. Box 416, Sanandaj, Iran
| | - Alireza Javadi
- Department of Botany, Iranian Research Institute of Plant Protection, P.O. Box 1454, 19395 Tehran, Iran
| | | | - Muhammad Usman
- Fungal Biology and Systematics Research Laboratory, Department of Botany, University of the Punjab, Quaid-e-Azam Campus, Lahore, 54590 Pakistan
| | - Abdul Nasir Khalid
- Fungal Biology and Systematics Research Laboratory, Department of Botany, University of the Punjab, Quaid-e-Azam Campus, Lahore, 54590 Pakistan
| | - Asha J. Dissanayake
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731 People’s Republic of China
| | - Anusha Telagathoti
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Maraike Probst
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Ursula Peintner
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Isaac Garrido-Benavent
- Department of Botany and Geology (Fac. CC. Biológicas) & Institut Cavanilles de Biodiversitat I Biologia Evolutiva (ICBIBE), Universitat de València, C/ Dr. Moliner 50, Burjassot, 46100 València, Spain
| | - Lilla Bóna
- Department of Plant Physiology and Molecular Plant Biology, Eötvös Loránd University, Budapest, 1117 Hungary
| | - Zsolt Merényi
- Institute of Biochemistry, Synthetic and Systems Biology Unit, Biological Research Centre, Szeged, 6726 Hungary
| | | | - Bratek Zoltán
- Department of Plant Physiology and Molecular Plant Biology, Eötvös Loránd University, Budapest, 1117 Hungary
| | - J. Benjamin Stielow
- Centre of Expertise in Mycology of Radboud University Medical Centre/Canisius Wilhelmina Hospital, Nijmegen, The Netherlands
- Thermo Fisher Diagnostics, Specialty Diagnostics Group, Landsmeer, The Netherlands
| | - Ning Jiang
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing, 100083 People’s Republic of China
| | - Cheng-Ming Tian
- The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing, 100083 People’s Republic of China
| | - Esmaeil Shams
- Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Farzaneh Dehghanizadeh
- Department of Agricultural Biotechnology, College of Agriculture Engineering, Isfahan University of Technology, Isfahan, Iran
| | - Adel Pordel
- Plant Protection Research Department, Baluchestan Agricultural and Natural Resources Research and Education Center, AREEO, Iranshahr, Iran
| | - Mohammad Javan-Nikkhah
- Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Teodor T. Denchev
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin St., 1113 Sofia, Bulgaria
| | - Cvetomir M. Denchev
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin St., 1113 Sofia, Bulgaria
| | - Martin Kemler
- Evolution der Pflanzen und Pilze, Ruhr-Universität Bochum, ND 03, Universitätsstraße 150, 44801 Bochum, Germany
| | - Dominik Begerow
- Evolution der Pflanzen und Pilze, Ruhr-Universität Bochum, ND 03, Universitätsstraße 150, 44801 Bochum, Germany
| | - Chun-Ying Deng
- Guizhou Institute of Biology, Guizhou Academy of Sciences, Shanxi Road No. 1, Yunyan district, 550001 Guiyang, People’s Republic of China
| | | | - Tohir Bozorov
- Institute of Genetics and Plant Experimental Biology, Academy of Sciences of Republic of Uzbekistan, Yukori-Yuz, Kubray Ds, Tashkent, Uzbekistan 111226
| | - Tutigul Kholmuradova
- Laboratory of Mycology, Institute of Botany, Academy of Sciences of Republic of Uzbekistan, 32 Durmon Yuli Street, Tashkent, Uzbekistan 100125
| | - Yusufjon Gafforov
- Laboratory of Mycology, Institute of Botany, Academy of Sciences of Republic of Uzbekistan, 32 Durmon Yuli Street, Tashkent, Uzbekistan 100125
| | - Aziz Abdurazakov
- Laboratory of Mycology, Institute of Botany, Academy of Sciences of Republic of Uzbekistan, 32 Durmon Yuli Street, Tashkent, Uzbekistan 100125
- Department of Ecology and Botany, Faculty of Natural Sciences, Andijan State University, 12 University Street, Andijan, Uzbekistan 170100
| | - Jian-Chu Xu
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
- CIFOR-ICRAF China Program, World Agroforestry (ICRAF), Kunming, 650201 Yunnan People’s Republic of China
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Honghe County, Kunming, 654400 Yunnan People’s Republic of China
- Centre for Mountain Futures (CMF), Kunming Institute of Botany, Kunming, 650201 Yunnan People’s Republic of China
| | - Peter E. Mortimer
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
- CIFOR-ICRAF China Program, World Agroforestry (ICRAF), Kunming, 650201 Yunnan People’s Republic of China
| | - Guang-Cong Ren
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- School of Science, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Rajesh Jeewon
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Réduit, Republic of Mauritius
| | - Sajeewa S. N. Maharachchikumbura
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731 People’s Republic of China
| | - Chayanard Phukhamsakda
- Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun, 130118 China
| | - Ausana Mapook
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
| | - Kevin D. Hyde
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100 Thailand
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 Yunnan People’s Republic of China
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200 Thailand
- Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou, 510225 People’s Republic of China
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Yang Q, Tang J, Zhou GY. Characterization of Diaporthe species on Camelliaoleifera in Hunan Province, with descriptions of two new species. MycoKeys 2021; 84:15-33. [PMID: 34720645 PMCID: PMC8545784 DOI: 10.3897/mycokeys.84.71701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/14/2021] [Indexed: 11/27/2022] Open
Abstract
Tea-oil tree (Camelliaoleifera Abel.) is an important edible oil woody plant with a planting area over 3,800,000 hectares in southern China. Species of Diaporthe inhabit a wide range of plant hosts as plant pathogens, endophytes and saprobes. At present, relatively little is known about the taxonomy and genetic diversity of Diaporthe on C.oleifera. Here, we conducted an extensive field survey in Hunan Province in China to identify and characterise Diaporthe species associated with tea-oil leaf spots. As a result, eleven isolates of Diaporthe were obtained from symptomatic C.oleifera leaves. These isolates were studied by applying a polyphasic approach including morphological and phylogenetic analyses of partial ITS, cal, his3, tef1 and tub2 gene regions. Two new Diaporthe species (D.camelliae-oleiferae and D.hunanensis) were proposed and described herein, and C.oleifera was revealed to be new host records of D.hubeiensis and D.sojae. This study indicated there is a potential of more undiscovered Diaporthe species from C.oleifera in China.
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Affiliation(s)
- Qin Yang
- Forestry Biotechnology Hunan Key Laboratories, Central South University of Forestry and Technology, Changsha 410004, China Central South University of Forestry and Technology Changsha China.,The Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China Central South University of Forestry and Technology Cahngsha China
| | - Jie Tang
- Forestry Biotechnology Hunan Key Laboratories, Central South University of Forestry and Technology, Changsha 410004, China Central South University of Forestry and Technology Changsha China
| | - Guo Y Zhou
- Forestry Biotechnology Hunan Key Laboratories, Central South University of Forestry and Technology, Changsha 410004, China Central South University of Forestry and Technology Changsha China.,The Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China Central South University of Forestry and Technology Cahngsha China
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Karácsony Z, Knapp DG, Lengyel S, Kovács GM, Váczy KZ. The fungus Kalmusia longispora is able to cause vascular necrosis on Vitis vinifera. PLoS One 2021; 16:e0258043. [PMID: 34653213 PMCID: PMC8519466 DOI: 10.1371/journal.pone.0258043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 09/16/2021] [Indexed: 11/18/2022] Open
Abstract
Fungal diseases in agronomically important plants such as grapevines result in significantly reduced production, pecuniary losses, and increased use of environmentally damaging chemicals. Beside the well-known diseases, there is an increased interest in wood-colonizing fungal pathogens that infect the woody tissues of grapevines. In 2015, a traditional isolation method was performed on grapevine trunks showing symptoms of trunk diseases in Hungary. One isolate (T15142) was identified as Kalmusia longispora (formerly Dendrothyrium longisporum) according to morphological and phylogenetic analyses. To evaluate the pathogenicity of this fungus on grapevines, artificial infections were carried out under greenhouse and field conditions, including the CBS 824.84 and ex-type CBS 582.83 strains. All isolates could be re-isolated from inoculated plants; however, varying virulence was observed among them in terms of the vascular necrosis caused. The incidence and severity of this symptom seemed to be congruent with the laccase-producing capabilities of the isolates. This is the first report on the ability of Kalmusia longispora to cause symptoms on grapevines, and on its possible dependence on laccase secretion.
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Affiliation(s)
- Zoltán Karácsony
- Food and Wine Research Institute, Eszterházy Károly University, Eger, Hungary
| | - Dániel G. Knapp
- Food and Wine Research Institute, Eszterházy Károly University, Eger, Hungary
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
- Plant Protection Institute, Centre for Agricultural Research (ATK), Eötvös Loránd Research Network (ELKH), Budapest, Hungary
| | - Szabina Lengyel
- Food and Wine Research Institute, Eszterházy Károly University, Eger, Hungary
| | - Gábor M. Kovács
- Food and Wine Research Institute, Eszterházy Károly University, Eger, Hungary
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
- Plant Protection Institute, Centre for Agricultural Research (ATK), Eötvös Loránd Research Network (ELKH), Budapest, Hungary
| | - Kálmán Zoltán Váczy
- Food and Wine Research Institute, Eszterházy Károly University, Eger, Hungary
- * E-mail:
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González-Domínguez E, Caffi T, Languasco L, Latinovic N, Latinovic J, Rossi V. Dynamics of Diaporthe ampelina Conidia Released from Grape Canes that Overwintered in the Vineyard. PLANT DISEASE 2021; 105:3092-3100. [PMID: 33755509 DOI: 10.1094/pdis-12-20-2639-re] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Phomopsis cane and leaf spot (PCLS) is an important disease of grapevines that is mainly caused by Diaporthe ampelina. Dispersal dynamics of D. ampelina spores were investigated in two vineyards, one in northern Italy and one in Montenegro, by using spore samplers that collected α- and β-conidia from rain water running off from PCLS-affected canes. The canes were collected from each vineyard, deployed, and overwintered in the corresponding vineyards. In each of three years (2016, 2017, and 2018), conidial dispersal was investigated during one (Montenegro) or two (Italy) growing seasons following the deployment of the PCLS-affected canes. In the first growing season following cane deployment in both vineyards, α-conidia were mostly found in runoff water after grapevine bud break, especially in April and May, and β-conidia were regularly found in numbers comparable to those of α-conidia, most frequently from June to September. In Italy, high numbers of α- and β-conidia were also collected during the second growing season following cane deployment. The dispersal dynamics of α-conidia over time were described by a Gompertz equation using hydrothermal time (i.e., the accumulated effect of temperature on the maturation rate of pycnidia on days in which the number of hours of wetness was ≥6 or 9 h), with R2 and concordance correlation coefficient >0.9. Rain (≥0.2 mm) was a good predictor of conidial dispersal, with an overall accuracy of 0.97. These results increase our understanding of D. ampelina spore dispersal and should be integrated into warning systems for PCLS management.
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Affiliation(s)
| | - Tito Caffi
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
| | - Luca Languasco
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
| | - Nedeljko Latinovic
- Biotechnical Faculty, University of Montenegro, Biotechnical Faculty, 81000 Podgorica, Montenegro
| | - Jelena Latinovic
- Biotechnical Faculty, University of Montenegro, Biotechnical Faculty, 81000 Podgorica, Montenegro
| | - Vittorio Rossi
- Department of Sustainable Crop Production (DI.PRO.VES.), Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
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Abundant Genetic Diversity and Extensive Differentiation among Geographic Populations of the Citrus Pathogen Diaporthe citri in Southern China. J Fungi (Basel) 2021; 7:jof7090749. [PMID: 34575787 PMCID: PMC8468327 DOI: 10.3390/jof7090749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/02/2021] [Accepted: 09/09/2021] [Indexed: 11/29/2022] Open
Abstract
The fungal pathogen Diaporthe citri is a major cause of diseases in citrus. One common disease is melanose, responsible for large economic losses to the citrus fruit industry. However, very little is known about the epidemiology and genetic structure of D. citri. In this study, we analyzed 339 isolates from leaves and fruits with melanose symptoms from five provinces in southern China at 14 polymorphic simple sequence repeat (SSR) loci and the mating type idiomorphs. The genetic variations were analyzed at three levels with separate samples: among provinces, among orchards within one county, and among trees within one orchard. The five provincial populations from Fujian, Zhejiang, Jiangxi, Hunan, and Guizhou were significantly differentiated, while limited differences were found among orchards from the same county or among trees from the same orchard. STRUCTURE analysis detected two genetic clusters in the total sample, with different provincial subpopulations showing different frequencies of isolates in these two clusters. Mantel analysis showed significant positive correlation between genetic and geographic distances, consistent with geographic separation as a significant barrier to gene flow in D. citri in China. High levels of genetic diversity were found within individual subpopulations at all three spatial scales of analyses. Interestingly, most subpopulations at all three spatial scales had the two mating types in similar frequencies and with alleles at the 14 SSR loci not significantly different from linkage equilibrium. Indeed, strains with different mating types and different multilocus genotypes were frequently isolated from the same leaves and fruits. The results indicate that sexual reproduction plays an important role in natural populations of D. citri in southern China and that its ascospores likely represent an important contributor to citrus disease.
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Iantas J, Savi DC, Schibelbein RDS, Noriler SA, Assad BM, Dilarri G, Ferreira H, Rohr J, Thorson JS, Shaaban KA, Glienke C. Endophytes of Brazilian Medicinal Plants With Activity Against Phytopathogens. Front Microbiol 2021; 12:714750. [PMID: 34539608 PMCID: PMC8442585 DOI: 10.3389/fmicb.2021.714750] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/03/2021] [Indexed: 12/14/2022] Open
Abstract
Plant diseases caused by phytopathogens are responsible for significant crop losses worldwide. Resistance induction and biological control have been exploited in agriculture due to their enormous potential. In this study, we investigated the antimicrobial potential of endophytic fungi of leaves and petioles of medicinal plants Vochysia divergens and Stryphnodendron adstringens located in two regions of high diversity in Brazil, Pantanal, and Cerrado, respectively. We recovered 1,304 fungal isolates and based on the characteristics of the culture, were assigned to 159 phenotypes. One isolate was selected as representative of each phenotype and studied for antimicrobial activity against phytopathogens. Isolates with better biological activities were identified based on DNA sequences and phylogenetic analyzes. Among the 159 representative isolates, extracts from 12 endophytes that inhibited the mycelial growth (IG) of Colletotrichum abscissum (≥40%) were selected to expand the antimicrobial analysis. The minimum inhibitory concentrations (MIC) of the extracts were determined against citrus pathogens, C. abscissum, Phyllosticta citricarpa and Xanthomonas citri subsp. citri and the maize pathogen Fusarium graminearum. The highest activity against C. abscissum were from extracts of Pseudofusicoccum stromaticum CMRP4328 (IG: 83% and MIC: 40 μg/mL) and Diaporthe vochysiae CMRP4322 (IG: 75% and MIC: 1 μg/mL), both extracts also inhibited the development of post-bloom fruit drop symptoms in citrus flowers. The extracts were promising in inhibiting the mycelial growth of P. citricarpa and reducing the production of pycnidia in citrus leaves. Among the isolates that showed activity, the genus Diaporthe was the most common, including the new species D. cerradensis described in this study. In addition, high performance liquid chromatography, UV detection, and mass spectrometry and thin layer chromatography analyzes of extracts produced by endophytes that showed high activity, indicated D. vochysiae CMRP4322 and P. stromaticum CMRP4328 as promising strains that produce new bioactive natural products. We report here the capacity of endophytic fungi of medicinal plants to produce secondary metabolites with biological activities against phytopathogenic fungi and bacteria. The description of the new species D. cerradensis, reinforces the ability of medicinal plants found in Brazil to host a diverse group of fungi with biotechnological potential.
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Affiliation(s)
- Jucélia Iantas
- Postgraduate Program of Microbiology, Parasitology and Pathology, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
| | - Daiani Cristina Savi
- Department of Biomedicine, Centro Universitário Católica de Santa Catarina, Joinville, Brazil
- Postgraduate Program of Genetics, Federal University of Paraná, Curitiba, Brazil
| | - Renata da Silva Schibelbein
- Postgraduate Program of Microbiology, Parasitology and Pathology, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
| | - Sandriele Aparecida Noriler
- Postgraduate Program of Microbiology, Parasitology and Pathology, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
| | | | - Guilherme Dilarri
- Department of General and Applied Biology, Biosciences Institute, State University of São Paulo, Rio Claro, Brazil
| | - Henrique Ferreira
- Department of General and Applied Biology, Biosciences Institute, State University of São Paulo, Rio Claro, Brazil
| | - Jürgen Rohr
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, United States
| | - Jon S. Thorson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, KY, United States
| | - Khaled A. Shaaban
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, United States
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, KY, United States
| | - Chirlei Glienke
- Postgraduate Program of Microbiology, Parasitology and Pathology, Department of Pathology, Federal University of Paraná, Curitiba, Brazil
- Postgraduate Program of Genetics, Federal University of Paraná, Curitiba, Brazil
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Bhunjun CS, Phillips AJL, Jayawardena RS, Promputtha I, Hyde KD. Importance of Molecular Data to Identify Fungal Plant Pathogens and Guidelines for Pathogenicity Testing Based on Koch's Postulates. Pathogens 2021; 10:1096. [PMID: 34578129 PMCID: PMC8465164 DOI: 10.3390/pathogens10091096] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/17/2021] [Accepted: 08/19/2021] [Indexed: 12/02/2022] Open
Abstract
Fungi are an essential component of any ecosystem, but they can also cause mild and severe plant diseases. Plant diseases are caused by a wide array of fungal groups that affect a diverse range of hosts with different tissue specificities. Fungi were previously named based only on morphology and, in many cases, host association, which has led to superfluous species names and synonyms. Morphology-based identification represents an important method for genus level identification and molecular data are important to accurately identify species. Accurate identification of fungal pathogens is vital as the scientific name links the knowledge concerning a species including the biology, host range, distribution, and potential risk of the pathogen, which are vital for effective control measures. Thus, in the modern era, a polyphasic approach is recommended when identifying fungal pathogens. It is also important to determine if the organism is capable of causing host damage, which usually relies on the application of Koch's postulates for fungal plant pathogens. The importance and the challenges of applying Koch's postulates are discussed. Bradford Hill criteria, which are generally used in establishing the cause of human disease, are briefly introduced. We provide guidelines for pathogenicity testing based on the implementation of modified Koch's postulates incorporating biological gradient, consistency, and plausibility criteria from Bradford Hill. We provide a set of protocols for fungal pathogenicity testing along with a severity score guide, which takes into consideration the depth of lesions. The application of a standard protocol for fungal pathogenicity testing and disease assessment in plants will enable inter-studies comparison, thus improving accuracy. When introducing novel plant pathogenic fungal species without proving the taxon is the causal agent using Koch's postulates, we advise the use of the term associated with the "disease symptoms" of "the host plant". Where possible, details of disease symptoms should be clearly articulated.
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Affiliation(s)
- Chitrabhanu S. Bhunjun
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China;
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand;
- School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Alan J. L. Phillips
- Faculdade de Ciências, Biosystems and Integrative Sciences Institute (BioISI), Universidade de Lisboa, Campo Grande, 1749-016 Lisbon, Portugal;
| | - Ruvishika S. Jayawardena
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand;
- School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Itthayakorn Promputtha
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Kevin D. Hyde
- Innovative Institute for Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China;
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand;
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
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Manawasinghe IS, Phillips AJL, Xu J, Balasuriya A, Hyde KD, Stępień Ł, Harischandra DL, Karunarathna A, Yan J, Weerasinghe J, Luo M, Dong Z, Cheewangkoon R. Defining a species in fungal plant pathology: beyond the species level. FUNGAL DIVERS 2021. [DOI: 10.1007/s13225-021-00481-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Ariyawansa HA, Tsai I, Wang JY, Withee P, Tanjira M, Lin SR, Suwannarach N, Kumla J, Elgorban AM, Cheewangkoon R. Molecular Phylogenetic Diversity and Biological Characterization of Diaporthe Species Associated with Leaf Spots of Camellia sinensis in Taiwan. PLANTS (BASEL, SWITZERLAND) 2021; 10:1434. [PMID: 34371637 PMCID: PMC8309328 DOI: 10.3390/plants10071434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/12/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022]
Abstract
Camellia sinensis is one of the major crops grown in Taiwan and has been widely cultivated around the island. Tea leaves are prone to various fungal infections, and leaf spot is considered one of the major diseases in Taiwan tea fields. As part of a survey on fungal species causing leaf spots on tea leaves in Taiwan, 19 fungal strains morphologically similar to the genus Diaporthe were collected. ITS (internal transcribed spacer), tef1-α (translation elongation factor 1-α), tub2 (beta-tubulin), and cal (calmodulin) gene regions were used to construct phylogenetic trees and determine the evolutionary relationships among the collected strains. In total, six Diaporthe species, including one new species, Diaporthe hsinchuensis, were identified as linked with leaf spot of C. sinensis in Taiwan based on both phenotypic characters and phylogeny. These species were further characterized in terms of their pathogenicity, temperature, and pH requirements under laboratory conditions. Diaporthe tulliensis, D. passiflorae, and D. perseae were isolated from C. sinensis for the first time. Furthermore, pathogenicity tests revealed that, with wound inoculation, only D. hongkongensis was pathogenic on tea leaves. This investigation delivers the first assessment of Diaporthe taxa related to leaf spots on tea in Taiwan.
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Affiliation(s)
- Hiran A. Ariyawansa
- Department of Plant Pathology and Microbiology, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan; (I.T.); (J.-Y.W.)
| | - Ichen Tsai
- Department of Plant Pathology and Microbiology, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan; (I.T.); (J.-Y.W.)
- Biodiversity and Climate Research Centre (BiK-F), 60325 Frankfurt am Main, Germany
- Department of Biological Science, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany
| | - Jian-Yuan Wang
- Department of Plant Pathology and Microbiology, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan; (I.T.); (J.-Y.W.)
| | - Patchareeya Withee
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand; (P.W.); (M.T.)
| | - Medsaii Tanjira
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand; (P.W.); (M.T.)
| | - Shiou-Ruei Lin
- Department of Tea Agronomy, Tea Research and Extension Station, Taoyuan 32654, Taiwan;
| | - Nakarin Suwannarach
- Research Centre of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (N.S.); (J.K.)
- Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Jaturong Kumla
- Research Centre of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; (N.S.); (J.K.)
- Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Abdallah M. Elgorban
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Ratchadawan Cheewangkoon
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand; (P.W.); (M.T.)
- Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
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Hilário S, Gonçalves MFM, Alves A. Using Genealogical Concordance and Coalescent-Based Species Delimitation to Assess Species Boundaries in the Diaporthe eres Complex. J Fungi (Basel) 2021; 7:507. [PMID: 34202282 PMCID: PMC8307253 DOI: 10.3390/jof7070507] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/11/2021] [Accepted: 06/23/2021] [Indexed: 11/16/2022] Open
Abstract
DNA sequence analysis has been of the utmost importance to delimit species boundaries in the genus Diaporthe. However, the common practice of combining multiple genes, without applying the genealogical concordance criterion has complicated the robust delimitation of species, given that phylogenetic incongruence between loci has been disregarded. Despite the several attempts to delineate the species boundaries in the D. eres complex, the phylogenetic limits within this complex remain unclear. In order to bridge this gap, we employed the Genealogical Phylogenetic Species Recognition principle (GCPSR) and the coalescent-based model Poisson Tree Processes (PTPs) and evaluated the presence of recombination within the D. eres complex. Based on the GCPSR principle, presence of incongruence between individual gene genealogies, i.e., conflicting nodes and branches lacking phylogenetic support, was evident. Moreover, the results of the coalescent model identified D. eres complex as a single species, which was not consistent with the current large number of species within the complex recognized in phylogenetic analyses. The absence of reproductive isolation and barriers to gene flow as well as the high haplotype and low nucleotide diversity indices within the above-mentioned complex suggest that D. eres constitutes a population rather than different lineages. Therefore, we argue that a cohesive approach comprising genealogical concordance criteria and methods to detect recombination must be implemented in future studies to circumscribe species in the genus Diaporthe.
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Affiliation(s)
| | | | - Artur Alves
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (S.H.); (M.F.M.G.)
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Chacón-Vozmediano JL, Gramaje D, León M, Armengol J, Moral J, Izquierdo-Cañas PM, Martínez-Gascueña J. Cultivar Susceptibility to Natural Infections Caused by Fungal Grapevine Trunk Pathogens in La Mancha Designation of Origin (Spain). PLANTS 2021; 10:plants10061171. [PMID: 34207542 PMCID: PMC8228040 DOI: 10.3390/plants10061171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/02/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022]
Abstract
Grapevine trunk diseases (GTDs) are one of the main biotic stress factors affecting this crop. The use of tolerant grapevine cultivars would be an interesting and sustainable alternative strategy to control GTDs. To date, most studies about cultivar susceptibility have been conducted under controlled conditions, and little information is available about tolerance to natural infections caused by GTD fungi. The objectives of this study were: (i) to identify tolerant cultivars to GTD fungi within a Spanish germplasm collection, based on external symptoms observed in the vineyard; and (ii) to characterize the pathogenic mycoflora associated with symptomatic vines. For this purpose, a grapevine germplasm collection including 22 white and 25 red cultivars was monitored along three growing seasons, and their susceptibility for esca foliar symptoms was assessed. Fungi were identified by using morphological and molecular methods. Cultivars such as, 'Monastrell', 'Graciano', 'Cabernet Franc', 'Cabernet Sauvignon', 'Syrah', 'Moscatel de Alejandría', 'Sauvignon Blanc', and 'Airén' displayed high susceptibility to GTDs, whereas others such as 'Petit Verdot', 'Pinot Noir', 'Chardonnay', and 'Riesling' were considered as tolerant. The prevalent fungal species isolated from symptomatic vines were Phaeomoniella chlamydospora (27.9% of the fungal isolates), Cryptovalsa ampelina (24.6%), and Dothiorella sarmentorum (21.3%).
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Affiliation(s)
- Juan L. Chacón-Vozmediano
- Institute for Agri-food and Forestry Research and Development of Castilla-La Mancha (IRIAF), Tomelloso, 13700 Ciudad Real, Spain; (P.M.I.-C.); (J.M.-G.)
- Correspondence:
| | - David Gramaje
- Institute of Grapevine and Wine Sciences (ICVV), Spanish National Research Council (CSIC), University of La Rioja and Government of La Rioja, 26007 Logroño, Spain;
| | - Maela León
- Instituto Agroforestal Mediterráneo, Universitat Politècnica de València, 46022 Valencia, Spain; (M.L.); (J.A.)
| | - Josep Armengol
- Instituto Agroforestal Mediterráneo, Universitat Politècnica de València, 46022 Valencia, Spain; (M.L.); (J.A.)
| | - Juan Moral
- Department of Agronomy, María de Maeztu Unit of Excellence, Campus of Rabanales, University of Córdoba, 14071 Córdoba, Spain;
| | - Pedro M. Izquierdo-Cañas
- Institute for Agri-food and Forestry Research and Development of Castilla-La Mancha (IRIAF), Tomelloso, 13700 Ciudad Real, Spain; (P.M.I.-C.); (J.M.-G.)
| | - Jesús Martínez-Gascueña
- Institute for Agri-food and Forestry Research and Development of Castilla-La Mancha (IRIAF), Tomelloso, 13700 Ciudad Real, Spain; (P.M.I.-C.); (J.M.-G.)
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Díaz GA, Zoffoli JP, Ferrada EE, Lolas M. Identification and Pathogenicity of Diplodia, Neofusicoccum, Cadophora, and Diaporthe Species Associated with Cordon Dieback in Kiwifruit cultivar Hayward in Central Chile. PLANT DISEASE 2021; 105:1308-1319. [PMID: 33074073 DOI: 10.1094/pdis-05-20-0988-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Dieback symptoms associated with fungal trunk pathogens cause significant economic losses for farmers of kiwifruit and other woody fruit trees worldwide. This study represents the first attempt to identify and characterize the fungal trunk pathogens associated with cordon dieback disease of kiwifruit in central Chile. Field surveys were conducted throughout the main kiwifruit-growing regions in central Chile to determine the incidence and characterize the fungal trunk pathogens associated with cordon dieback of kiwifruit cultivar Hayward through morphological, molecular, and pathogenicity studies. A total of 250 cordon samples were collected and isolations were performed on 2% acidified potato dextrose agar (APDA) plus antibiotics and Igepal. The incidence of kiwifruit cordon dieback ranged between 5% and 85% in all surveyed areas in central Chile. A total of 246 isolates were isolated and identified using culture and morphological features belonging to three fungal taxa: Diaporthaceae spp. (Diaporthe ambigua and D. australafricana; n = 133 isolates); Botryosphaeriaceae spp. (Diplodia seriata and Neofusicoccum parvum; n = 89 isolates); and Ploettnerulaceae spp. (Cadophora luteo-olivacea and C. malorum; n = 24 isolates). These were identified using phylogenetics studies of the internal transcribed spacer (ITS) region (ITS1-5.8S-ITS2) of the rDNA, part of the β-tubulin gene (tub2), and part of the translation elongation factor 1-α gene (tef1-α). Isolates of N. parvum and D. seriata were the most virulent, causing internal brown lesions and dieback symptoms in attached green shoots, attached lignified canes, and young inoculated kiwifruits. This report is the first to describe D. seriata and C. luteo-olivacea associated with kiwifruit cordon dieback in Chile. It presents the first description of N. parvum causing kiwifruit dieback worldwide.
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Affiliation(s)
- Gonzalo A Díaz
- Laboratorio de Patología Frutal, Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Avenida Lircay S/N, Talca, Chile
| | - Juan Pablo Zoffoli
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Vicuña Mackena 4860, Macul, Santiago, Chile
| | - Enrique E Ferrada
- Laboratorio de Fitopatología, Instituto de Producción y Sanidad Vegetal, Facultad de Ciencias Agrarias, Universidad Austral de Chile, Campus Isla Teja, Valdivia, Chile
| | - Mauricio Lolas
- Laboratorio de Patología Frutal, Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Avenida Lircay S/N, Talca, Chile
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Arciuolo R, Camardo Leggieri M, Chiusa G, Castello G, Genova G, Spigolon N, Battilani P. Ecology of Diaporthe eres, the causal agent of hazelnut defects. PLoS One 2021; 16:e0247563. [PMID: 33690684 PMCID: PMC7946276 DOI: 10.1371/journal.pone.0247563] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 02/09/2021] [Indexed: 11/19/2022] Open
Abstract
Diaporthe eres has been recently reported as the causal agent of hazelnut defects, with characteristic brown spots on the kernels surface and internal fruit discoloration. Knowledge regarding the ecology of this fungus is poor but, is critical to support a rationale and effective hazelnut crop protection strategy. Therefore, a study was performed to describe and model the effect of different abiotic factors such as temperature (T, 5-35°C, step 5°C) and water activity (aw 0.83-0.99, step 0.03) regimes on D. eres mycelial growth, pycnidial conidiomata development and asexual spore production during a 60-day incubation period. Alpha conidia germination was tested in the same T range and at different relative humidities (RH = 94, 97 and 100%) over 48 h incubation period. Fungal growth was observed from the first visual observation; regarding pycnidia and cirrhi, their development started after 8 and 19 days of incubation, respectively and increased over time. The optimum T for growth was 20-25°C and for pycnidia and cirrhi development was 30°C; aw ≥ 0.98 was optimal for the tested steps of the fungal cycle. The best condition for conidial germination of D. eres was at 25°C with RH = 100%. Quantitative data obtained were fitted using non- linear regression functions (Bete, logistic and polynomial), which provided a very good fit of the biological process (R2 = 0.793-0.987). These functions could be the basis for the development of a predictive model for the infection of D. eres of hazelnuts.
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Affiliation(s)
- Roberta Arciuolo
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Piacenza (PC), Italy
| | - Marco Camardo Leggieri
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Piacenza (PC), Italy
| | - Giorgio Chiusa
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Piacenza (PC), Italy
| | - Giuseppe Castello
- SOREMARTEC ITALIA S.r.l., Piazzale Pietro Ferrero 1, Alba (CN), Italy
| | - Giuseppe Genova
- SOREMARTEC ITALIA S.r.l., Piazzale Pietro Ferrero 1, Alba (CN), Italy
| | - Nicola Spigolon
- SOREMARTEC ITALIA S.r.l., Piazzale Pietro Ferrero 1, Alba (CN), Italy
| | - Paola Battilani
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Piacenza (PC), Italy
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Chaisiri C, Liu X, Lin Y, Fu Y, Zhu F, Luo C. Phylogenetic and Haplotype Network Analyses of Diaporthe eres Species in China Based on Sequences of Multiple Loci. BIOLOGY 2021; 10:179. [PMID: 33804529 PMCID: PMC8000818 DOI: 10.3390/biology10030179] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 11/17/2022]
Abstract
Diaporthe eres is considered one of the most important causal agents of many plant diseases, with a broad host range worldwide. In this study, multiple sequences of ribosomal internal transcribed spacer region (ITS), translation elongation factor 1-α gene (EF1-α), beta-tubulin gene (TUB2), calmodulin gene (CAL), and histone-3 gene (HIS) were used for multi-locus phylogenetic analysis. For phylogenetic analysis, maximum likelihood (ML), maximum parsimony (MP), and Bayesian inferred (BI) approaches were performed to investigate relationships of D. eres with closely related species. The results strongly support that the D. eres species falls into a monophyletic lineage, with the characteristics of a species complex. Phylogenetic informativeness (PI) analysis showed that clear boundaries could be proposed by using EF1-α, whereas ITS showed an ineffective reconstruction and, thus, was unsuitable for speciating boundaries for Diaporthe species. A combined dataset of EF1-α, CAL, TUB2, and HIS showed strong resolution for Diaporthe species, providing insights for the D. eres complex. Accordingly, besides D. biguttusis, D. camptothecicola, D. castaneae-mollissimae, D. cotoneastri, D. ellipicola, D. longicicola, D. mahothocarpus, D. momicola, D. nobilis, and Phomopsis fukushii, which have already been previously considered the synonymous species of D. eres, another three species, D. henanensis, D. lonicerae and D. rosicola, were further revealed to be synonyms of D. eres in this study. In order to demonstrate the genetic diversity of D. eres species in China, 138 D. eres isolates were randomly selected from previous studies in 16 provinces. These isolates were obtained from different major plant species from 2006 to 2020. The genetic distance was estimated with phylogenetic analysis and haplotype networks, and it was revealed that two major haplotypes existed in the Chinese populations of D. eres. The haplotype networks were widely dispersed and not uniquely correlated to specific populations. Overall, our analyses evaluated the phylogenetic identification for D. eres species and demonstrated the population diversity of D. eres in China.
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Affiliation(s)
- Chingchai Chaisiri
- Key Lab of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (C.C.); (X.L.)
- Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (Y.F.)
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Xiangyu Liu
- Key Lab of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (C.C.); (X.L.)
- Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (Y.F.)
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Yang Lin
- Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (Y.F.)
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Yanping Fu
- Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (Y.F.)
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Fuxing Zhu
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Chaoxi Luo
- Key Lab of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (C.C.); (X.L.)
- Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (Y.F.)
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
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