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Spychała K, Piecuch A, Szleszkowski Ł, Kadej M, Ogórek R. Microscopic fungi on the corpse - Promising tool requiring further research. Forensic Sci Int 2024; 361:112129. [PMID: 38986228 DOI: 10.1016/j.forsciint.2024.112129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 01/21/2024] [Accepted: 06/29/2024] [Indexed: 07/12/2024]
Abstract
Forensic microbiology is a relatively new area of forensic sciences. It considers the potential of microorganisms to be used in criminal investigations. As most studies involve the role of bacteria in fields like post-mortem interval estimation, personal identification or geolocation, the data on the role of fungi is comparatively scarce. Forensic mycology involves the application of fungi and their structures in forensic cases. The aim of this review is the evaluation of the current state of knowledge on fungi associated with human cadavers and their possible role in estimating the time since death. In accordance with the available reports, we focused on the relation between microscopic fungi isolated from human corpses and the cadaver condition e.g., the stage of decomposition. We also emphasised the contrast between the reported methodologies and attempted to standardise research methods in forensic mycology from sample collection to its storage, mycological analysis and identification of the obtained fungal cultures. Moreover, the potential usage of microscopic fungi in criminal cases was discussed based on various case reports.
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Affiliation(s)
- Klaudyna Spychała
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, Wroclaw PL-51-148, Poland
| | - Agata Piecuch
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, Wroclaw PL-51-148, Poland
| | - Łukasz Szleszkowski
- Department of Forensic Medicine, Wroclaw Medical University, Mikulicza-Radeckiego 4, Wrocław PL-50-345, Poland
| | - Marcin Kadej
- Centre for Forensic Biology and Entomology, Department of Invertebrate Biology, Evolution and Conservation, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 65, Wrocław PL-51-148, Poland.
| | - Rafał Ogórek
- Department of Mycology and Genetics, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, Wroclaw PL-51-148, Poland
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2
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Rabbachin L, Nir I, Waldherr M, Vassallo Y, Piñar G, Graf A, Kushmaro A, Sterflinger K. Diversity of fungi associated with petroglyph sites in the Negev Desert, Israel, and their potential role in bioweathering. FRONTIERS IN FUNGAL BIOLOGY 2024; 5:1400380. [PMID: 39035870 PMCID: PMC11257853 DOI: 10.3389/ffunb.2024.1400380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/14/2024] [Indexed: 07/23/2024]
Abstract
The petroglyphs of the Negev Desert, Israel, are famous and valuable archaeological remains. Previous studies have investigated the microbial communities associated with petroglyphs and their potential role in stone deterioration; nevertheless, the role of fungi remains unclear. In this study, the fungal communities present on the stone and, as a comparison, in the surrounding environment (soil and air) at Negev petroglyph sites were analyzed by means of culture-dependent and -independent (metagenomic) techniques. The metagenomic results showed a high fungal biodiversity in the soil, and both approaches highlighted the prevalence of species producing melanized, large, thick-walled spores (mainly Alternaria spp.). From the air sampling, mostly Cladosporium spp. were retrieved. On the other hand, on the rock, the results seem to indicate a low presence of fungi, but with a rock-specialized mycobiota consisting of extremotolerant microcolonial fungi (MCF) (e.g., Vermiconidia and Coniosporium) and lichens (Flavoplaca). In addition, low proportions of cosmopolitan fungi were detected on the stone, but the comparison of the data clearly indicates that they are transients from the surrounding environment. The ability of the isolated strains to dissolve CaCO3 and therefore be a potential threat to the petroglyphs (limestone substrate) was tested, but only one strain resulted in positive acid production under laboratory conditions. Nevertheless, both lichens and MCF detected in this study are well-known stone deteriogens, which may have a significant impact on the petroglyph's deterioration.
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Affiliation(s)
- Laura Rabbachin
- Institute of Natural Sciences and Technology in the Arts (INTK), Academy of Fine Arts Vienna, Vienna, Austria
| | - Irit Nir
- Environmental Biotechnology Laboratory, Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Be’er Sheva, Israel
| | - Monika Waldherr
- Department of Bioinformatics, University of Applied Sciences, Vienna, Austria
| | - Ylenia Vassallo
- Laboratory of Plant Pathology, Department of Environmental Biology, Sapienza University of Rome, Rome, Italy
| | - Guadalupe Piñar
- Institute of Natural Sciences and Technology in the Arts (INTK), Academy of Fine Arts Vienna, Vienna, Austria
| | - Alexandra Graf
- Department of Bioinformatics, University of Applied Sciences, Vienna, Austria
| | - Ariel Kushmaro
- Environmental Biotechnology Laboratory, Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Be’er Sheva, Israel
- School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Be’er Sheva, Israel
| | - Katja Sterflinger
- Institute of Natural Sciences and Technology in the Arts (INTK), Academy of Fine Arts Vienna, Vienna, Austria
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3
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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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Van Dijck T, Stevens V, Steenaerts L, Thijs S, Van Mechelen C, Artois T, Rineau F. Green Roof Substrate Microbes Compose a Core Community of Stress-Tolerant Taxa. Microorganisms 2024; 12:1261. [PMID: 39065029 PMCID: PMC11279297 DOI: 10.3390/microorganisms12071261] [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: 03/27/2024] [Revised: 06/10/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
Extensive green roofs provide for many ecosystem services in urban environments. The efficacy of these services is influenced by the vegetation structure. Despite their key role in plant performance and productivity, but also their contribution to nitrogen fixation or carbon sequestration, green roof microbial communities have received little attention so far. No study included a spatiotemporal aspect to investigate the core microbiota residing in the substrates of extensive green roofs, although these key taxa are hypothesized to be amongst the most ecologically important taxa. Here, we identified the core microbiota residing in extensive green roof substrates and investigated whether microbial community composition is affected by the vegetation that is planted on extensive green roofs. Eleven green roofs from three different cities in Flanders (Belgium), planted either with a mixture of grasses, wildflowers and succulents (Sedum spp.; Sedum-herbs-grasses roofs) or solely species of Sedum (Sedum-moss roofs), were seasonally sampled to investigate prokaryotic and fungal communities via metabarcoding. Identifying the key microbial taxa revealed that most taxa are dominant phylotypes in soils worldwide. Many bacterial core taxa are capable of nitrogen fixation, and most fungal key taxa are stress-tolerant saprotrophs, endophytes, or both. Considering that soil microbes adapted to the local edaphic conditions have been found to improve plant fitness, further investigation of the core microbiome is warranted to determine the extent to which these stress-tolerant microbes are beneficial for the vegetational layer. Although Sedum-herbs-grasses roofs contained more plant species than Sedum-moss roofs, we observed no discriminant microbial communities between both roof types, likely due to sharing the same substrate textures and the vegetational layers that became more similar throughout time. Future studies are recommended to comprehensively characterize the vegetational layer and composition to examine the primary drivers of microbial community assembly processes.
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Affiliation(s)
- Thomas Van Dijck
- Centre for Environmental Sciences, Zoology: Biodiversity and Toxicology, Hasselt University, 3590 Diepenbeek, Belgium; (T.V.D.); (T.A.)
| | - Vincent Stevens
- Centre for Environmental Sciences, Environmental Biology, Hasselt University, 3590 Diepenbeek, Belgium (S.T.)
| | - Laure Steenaerts
- Centre for Environmental Sciences, Environmental Biology, Hasselt University, 3590 Diepenbeek, Belgium (S.T.)
| | - Sofie Thijs
- Centre for Environmental Sciences, Environmental Biology, Hasselt University, 3590 Diepenbeek, Belgium (S.T.)
| | | | - Tom Artois
- Centre for Environmental Sciences, Zoology: Biodiversity and Toxicology, Hasselt University, 3590 Diepenbeek, Belgium; (T.V.D.); (T.A.)
| | - François Rineau
- Centre for Environmental Sciences, Environmental Biology, Hasselt University, 3590 Diepenbeek, Belgium (S.T.)
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Du T, Qu X, Wang Y, Li M, Qie X, Jin J, Gao Y, Wang Z, Lin K, Yang C, Sun J. Rhizosphere Mortierella strain of alfalfa exerted weed growth inhibition by inducing expression of plant hormone-related genes. Front Microbiol 2024; 15:1385992. [PMID: 38952443 PMCID: PMC11215053 DOI: 10.3389/fmicb.2024.1385992] [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: 02/14/2024] [Accepted: 05/31/2024] [Indexed: 07/03/2024] Open
Abstract
Introduction Weeds are significant factors that detrimentally affect crop health and hinder optimal herbage yield. Rhizosphere microorganisms play crucial roles in plant growth, development, and nutrient uptake. Therefore, research focusing on weed control through the lens of microorganisms has emerged as a prominent area of study. The oil-producing fungus Mortierella, which is known for its numerous agricultural benefits, has garnered significant attention in recent years. Methods In this study, we conducted inoculation experiments in a controlled artificial culture climate chamber to investigate the effects of differential hormones and differentially expressed genes in the stems and leaves of Digitaria sanguinalis using Liquid Chromatography Tandem Mass Spectrometry and RNA-seq techniques, respectively. Additionally, Pearson's correlation analysis was used to establish correlations between differential hormones and growth indicators of Digitaria sanguinalis. Results and discussion The results demonstrated that inoculation with Mortierella sp. MXBP304 effectively suppressed aboveground biomass and plant height in Digitaria sanguinalis. Furthermore, there was significant upregulation and downregulation in the expression of genes involved in the synthesis and metabolism of phenylalanine and L-phenylalanine. Conversely, the expression of genes related to tryptophan, L-tryptophan, and indole was significantly downregulated. The addition of Mortierella sp. MXBP304 can influence the gene expression associated with phenylalanine and tryptophan synthesis and metabolism during Digitaria sanguinalis growth, subsequently reducing the relative contents of phenylalanine and tryptophan, thereby directly inhibiting Digitaria sanguinalis growth.
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Affiliation(s)
- Taotao Du
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Xudong Qu
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Yibo Wang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Meixuan Li
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Xihu Qie
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Jing Jin
- College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Yuxuan Gao
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Zengyu Wang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Kejian Lin
- Institute of Grassland Research of CAAS, Hohhot, Inner Mongolia, China
| | - Chao Yang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Juan Sun
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao, Shandong, China
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Sun RZ, Wang YY, Liu XQ, Yang ZL, Deng X. Structure and dynamics of microbial communities associated with the resurrection plant Boea hygrometrica in response to drought stress. PLANTA 2024; 260:24. [PMID: 38858226 DOI: 10.1007/s00425-024-04459-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/06/2024] [Indexed: 06/12/2024]
Abstract
MAIN CONCLUSION The resurrection plant Boea hygrometrica selectively recruits and assembles drought-specific microbial communities across the plant-soil compartments, which may benefit plant growth and fitness under extreme drought conditions. Plant-associated microbes are essential for facilitating plant growth and fitness under drought stress. The resurrection plant Boea hygrometrica in natural habitats with seasonal rainfall can survive rapid desiccation, yet their interaction with microbiomes under drought conditions remains unexplored. This study examined the bacterial and fungal microbiome structure and drought response across plant-soil compartments of B. hygrometrica by high-throughput amplicon sequencing of 16S rRNA gene and internal transcribed spacer. Our results demonstrated that the diversity, composition, and functional profile of the microbial community varied considerably across the plant-soil compartments and were strongly affected by drought stress. Bacterial and fungal diversity was significantly reduced from soil to endosphere and belowground to aboveground compartments. The compartment-specific enrichment of the dominant bacteria phylum Cyanobacteriota and genus Methylorubrum in leaf endosphere, genera Pseudonocardia in rhizosphere soil and Actinoplanes in root endosphere, and fungal phylum Ascomycota in the aboveground compartments and genera Knufia in root endosphere and Cladosporium in leaf endosphere composed part of the core microbiota with corresponding enrichment of beneficial functions for plant growth and fitness. Moreover, the recruitment of dominant microbial genera Sphingosinicella and Plectosphaerella, Ceratobasidiaceae mycorrhizal fungi, and numerous plant growth-promoting bacteria involving nutrient supply and auxin regulation was observed in desiccated B. hygrometrica plants. Our results suggest that the stable assembled drought-specific microbial community of B. hygrometrica may contribute to plant survival under extreme environments and provide valuable microbial resources for the microbe-mediated drought tolerance enhancement in crops.
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Affiliation(s)
- Run-Ze Sun
- State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China.
- China National Botanical Garden, 100093, Beijing, China.
| | - Yuan-Yuan Wang
- State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xiao-Qiang Liu
- State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Zhao-Lin Yang
- State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xin Deng
- State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China.
- China National Botanical Garden, 100093, Beijing, China.
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Iwasaki T, Shimoda-Komatsu Y, Ida Y, Shimoyamada H, Fukuda T, Ohyama M. A case of chromomycosis due to Cladosporium halotolerans: Successful identification of previously unreported pathogen with a molecular approach. J Dermatol 2024; 51:e220-e222. [PMID: 38291997 DOI: 10.1111/1346-8138.17125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/26/2023] [Accepted: 01/04/2024] [Indexed: 02/01/2024]
Affiliation(s)
- Tatsuro Iwasaki
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | | | - Yoko Ida
- Division of Clinical Laboratory, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Hiroaki Shimoyamada
- Department of Pathology, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Tomoo Fukuda
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
- Department of Dermatology, Saitama Medical Center, Saitama, Japan
| | - Manabu Ohyama
- Department of Dermatology, Kyorin University Faculty of Medicine, Tokyo, Japan
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Pereira H, Chakarov N, Hoffman JI, Rinaud T, Ottensmann M, Gladow KP, Tobias B, Caspers BA, Maraci Ö, Krüger O. Early-life factors shaping the gut microbiota of Common buzzard nestlings. Anim Microbiome 2024; 6:27. [PMID: 38745254 DOI: 10.1186/s42523-024-00313-8] [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: 01/19/2024] [Accepted: 05/01/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Exploring the dynamics of gut microbiome colonisation during early-life stages is important for understanding the potential impact of microbes on host development and fitness. Evidence from model organisms suggests a crucial early-life phase when shifts in gut microbiota can lead to immune dysregulation and reduced host condition. However, our understanding of gut microbiota colonisation in long-lived vertebrates, especially during early development, remains limited. We therefore used a wild population of common buzzard nestlings (Buteo buteo) to investigate connections between the early-life gut microbiota colonisation, environmental and host factors. RESULTS We targeted both bacterial and eukaryotic microbiota using the 16S and 28S rRNA genes. We sampled the individuals during early developmental stages in a longitudinal design. Our data revealed that age significantly affected microbial diversity and composition. Nest environment was a notable predictor of microbiota composition, with particularly eukaryotic communities differing between habitats occupied by the hosts. Nestling condition and infection with the blood parasite Leucocytozoon predicted microbial community composition. CONCLUSION Our findings emphasise the importance of studying microbiome dynamics to capture changes occurring during ontogeny. They highlight the role of microbial communities in reflecting host health and the importance of the nest environment for the developing nestling microbiome. Overall, this study contributes to understanding the complex interplay between microbial communities, host factors, and environmental variables, and sheds light on the ecological processes governing gut microbial colonisation during early-life stages.
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Affiliation(s)
- Hugo Pereira
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany.
| | - Nayden Chakarov
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Joint Institute for Individualisation in a Changing Environment (JICE), Bielefeld University and University of Münster, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Joseph I Hoffman
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Department of Evolutionary Population Genetics, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Joint Institute for Individualisation in a Changing Environment (JICE), Bielefeld University and University of Münster, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 OET, UK
| | - Tony Rinaud
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Meinolf Ottensmann
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Kai-Philipp Gladow
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Busche Tobias
- Medical School East Westphalia-Lippe & Center for Biotechnology (CeBiTec), Bielefeld University, Universitätsstraße 27, 33615, Bielefeld, NRW, Germany
| | - Barbara A Caspers
- Department of Behavioural Ecology, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Joint Institute for Individualisation in a Changing Environment (JICE), Bielefeld University and University of Münster, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Öncü Maraci
- Department of Behavioural Ecology, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Joint Institute for Individualisation in a Changing Environment (JICE), Bielefeld University and University of Münster, Konsequenz 45, 33615, Bielefeld, NRW, Germany
| | - Oliver Krüger
- Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615, Bielefeld, NRW, Germany
- Joint Institute for Individualisation in a Changing Environment (JICE), Bielefeld University and University of Münster, Konsequenz 45, 33615, Bielefeld, NRW, Germany
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9
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Gómez-Vázquez EG, Sánchez Roque Y, Ibáñez-Duharte GR, Canseco-Pérez MA, Zenteno-Carballo AG, Berrones-Hernández R, Pérez-Luna YC. Molecular identification and lipolytic potential of filamentous fungi isolated from residual cooking oil. Biodivers Data J 2024; 12:e113698. [PMID: 38352121 PMCID: PMC10862348 DOI: 10.3897/bdj.12.e113698] [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: 10/05/2023] [Accepted: 01/24/2024] [Indexed: 02/16/2024] Open
Abstract
Filamentous fungi, microorganisms that develop and are located in different habitats, are considered important producers of enzymes and metabolites with potential for the biotechnology industry. The objective of this work was to isolate and identify filamentous fungi that grow in used oil. Two fungal species were characterised through their morphology and molecular identification. The DNA of each extracted strain was amplified by PCR using primers ITS1 and ITS4, obtaining sequences that were later in GenBank (NCBI). A white coloured strain (HB) with a cottony, white, hyaline morphology and irregular borders was observed; so too, a brown colony (HC) with a sandy surface, a well-defined border of beige colour in early growth until it became a dark brown colour. The identity result by homology of the sequences in the BLASTn database was 100% and 99.55%, indicating that they correspond to Cladosporiumtenuissimum and Fomitopsismeliae, respectively. Finally, the results in lipolytic activity show greater potential for Fomitopsismeliae with 0.61 U/l in residual oil. Thus, it is important to highlight the potential of this type of waste to favour the prospection of microorganisms for a sustainable alternative for future studies of biological conversion.
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Affiliation(s)
- Elvia G Gómez-Vázquez
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | - Yazmin Sánchez Roque
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
| | - Guillermo R Ibáñez-Duharte
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | - Miguel A Canseco-Pérez
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
| | - Ana G Zenteno-Carballo
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | | | - Yolanda C Pérez-Luna
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
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10
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Li Y, Wang Y, Wang H, Shi T, Wang B. The Genus Cladosporium: A Prospective Producer of Natural Products. Int J Mol Sci 2024; 25:1652. [PMID: 38338931 PMCID: PMC10855219 DOI: 10.3390/ijms25031652] [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: 12/19/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Cladosporium, a genus of ascomycete fungi in the Dematiaceae family, is primarily recognized as a widespread environmental saprotrophic fungus or plant endophyte. Further research has shown that the genus is distributed in various environments, particularly in marine ecosystems, such as coral reefs, mangroves and the polar region. Cladosporium, especially the marine-derived Cladosporium, is a highly resourceful group of fungi whose natural products have garnered attention due to their diverse chemical structures and biological activities, as well as their potential as sources of novel leads to compounds for drug production. This review covers the sources, distribution, bioactivities, biosynthesis and structural characteristics of compounds isolated from Cladosporium in the period between January 2000 and December 2022, and conducts a comparative analysis of the Cladosporium isolated compounds derived from marine and terrestrial sources. Our results reveal that 34% of Cladosporium-derived natural products are reported for the first time. And 71.79% of the first reported compounds were isolated from marine-derived Cladosporium. Cladosporium-derived compounds exhibit diverse skeletal chemical structures, concentrating in the categories of polyketides (48.47%), alkaloids (19.21%), steroids and terpenoids (17.03%). Over half of the natural products isolated from Cladosporium have been found to have various biological activities, including cytotoxic, antibacterial, antiviral, antifungal and enzyme-inhibitory activities. These findings testify to the tremendous potential of Cladosporium, especially the marine-derived Cladosporium, to yield novel bioactive natural products, providing a structural foundation for the development of new drugs.
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Affiliation(s)
- Yanjing Li
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Yifei Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Han Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
| | - Ting Shi
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao 266200, China
| | - Bo Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China; (Y.L.); (Y.W.); (H.W.)
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11
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Nicoletti R, Russo E, Becchimanzi A. Cladosporium-Insect Relationships. J Fungi (Basel) 2024; 10:78. [PMID: 38276024 PMCID: PMC10820778 DOI: 10.3390/jof10010078] [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: 12/14/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
The range of interactions between Cladosporium, a ubiquitous fungal genus, and insects, a class including about 60% of the animal species, is extremely diverse. The broad case history of antagonism and mutualism connecting Cladosporium and insects is reviewed in this paper based on the examination of the available literature. Certain strains establish direct interactions with pests or beneficial insects or indirectly influence them through their endophytic development in plants. Entomopathogenicity is often connected to the production of toxic secondary metabolites, although there is a case where these compounds have been reported to favor pollinator attraction, suggesting an important role in angiosperm reproduction. Other relationships include mycophagy, which, on the other hand, may reflect an ecological advantage for these extremely adaptable fungi using insects as carriers for spreading in the environment. Several Cladosporium species colonize insect structures, such as galleries of ambrosia beetles, leaf rolls of attelabid weevils and galls formed by cecidomyid midges, playing a still uncertain symbiotic role. Finally, the occurrence of Cladosporium in the gut of several insect species has intriguing implications for pest management, also considering that some strains have proven to be able to degrade insecticides. These interactions especially deserve further investigation to understand the impact of these fungi on pest control measures and strategies to preserve beneficial insects.
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Affiliation(s)
- Rosario Nicoletti
- Council for Agricultural Research and Economics, Research Center for Olive, Fruit and Citrus Crops, 81100 Caserta, Italy
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (E.R.); (A.B.)
| | - Elia Russo
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (E.R.); (A.B.)
| | - Andrea Becchimanzi
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (E.R.); (A.B.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples Federico II, 80055 Portici, Italy
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12
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Lewis MT, Miller L, Hu M, Hamby KA. Diffuse Associations Between Drosophila suzukii and Filamentous Fungal Microbes May Alter Caneberry Disease Dynamics. PHYTOPATHOLOGY 2024; 114:137-145. [PMID: 38318843 DOI: 10.1094/phyto-12-22-0470-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: 02/07/2024]
Abstract
Interactions between microorganisms and frugivorous insects can modulate fruit rot disease epidemiology. Insect feeding and/or oviposition wounds may create opportunities for fungal infection. Passive and active dispersal of fungal inoculums by adult insects also increases disease incidence. In fall-bearing raspberries and blackberries, such vectoring interactions could increase crop damage from the invasive pestiferous vinegar fly Drosophila suzukii (spotted-wing drosophila). Periods of peak D. suzukii activity are known to overlap with several species of primary fruit rot pathogen, particularly Botrytis cinerea and Cladosporium cladosporioides, and previous work indicates that larvae co-occur with and feed on various filamentous fungi at low rates. To further our understanding of the epidemiological consequences that may emerge from these associations, we surveyed the filamentous fungal community associated with adult D. suzukii, isolating and molecularly identifying fungi externally and internally (indicating feeding) from field-collected adults over 3 years. We isolated and identified 37 unique genera of fungi in total, including known raspberry pathogens. Most fungi were detected infrequently, and flies acquired and carried fungi externally at higher richness, frequency, and density relative to internally. In a worst-case scenario laboratory vectoring assay, D. suzukii adults were able to transfer B. cinerea and C. cladosporioides to sterile media at 0, 24, 48, and 72 h after exposure to sporulating cultures in Petri dishes. These results collectively suggest an adventitious vectoring association between D. suzukii and fruit rot fungi that has the potential to alter caneberry disease dynamics.
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Affiliation(s)
- Margaret T Lewis
- Department of Entomology, University of Maryland, College Park, MD 20742
| | - Logan Miller
- Department of Entomology, University of Maryland, College Park, MD 20742
| | - Mengjun Hu
- Department of Plant Sciences and Landscape Architecture, University of Maryland, College Park, MD 20742
| | - Kelly A Hamby
- Department of Entomology, University of Maryland, College Park, MD 20742
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13
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De la Rosa-García S, Sierra-Fernández A, Solís CG, García NS, Quintana P, Gómez-Cornelio S, Fort R. Fungal community dynamics on limestone at the Chichén Itzá archaeological site in Mexico driven by protective treatments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167563. [PMID: 37802337 DOI: 10.1016/j.scitotenv.2023.167563] [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: 02/23/2023] [Revised: 09/26/2023] [Accepted: 10/01/2023] [Indexed: 10/08/2023]
Abstract
Microorganisms naturally colonize rock-based materials in outdoor environments, thereby contributing to their degradation. Fungi, especially in tropical environments with abundant water and favorable temperatures, play a significant role in biodegradation. However, many aspects of the microorganism-stone interaction, including fungal colonization dynamics and the impact of treatment applications, remain unclear. This study conducted a four-year in-situ evaluation of fungal community dynamics on limestone surfaces in the Temple of the Warriors at the Chichén Itzá archaeological site in Mexico, focusing on cleaning and treatment using nanoparticles (NPs). These NPs included zinc oxide (ZnO) and CaZn2(OH)6·2H2O (CZ)-based NPs synthesized via sol-gel (CZ-SG) and mechanochemical methods (CZ-MC), as well as CZ/Ca(OH)2-based products (CZ:Ca-SG). The microbial colonization cover was assessed using colorimetric measurements, and the surface was sampled for fungal community isolation and identification. The results demonstrated significant impacts of cleaning and nanomaterial applications on cultivable fungal communities (melanized filamentous, hyaline, and microcolonial fungi), altering composition, dynamics, and stone surface coloration. In particular, ZnO NPs caused 50 % decline in fungal species and individuals, whereas CZ:Ca-SG NPs displaced most species, indicating effective inhibition of the cultivable fungal community. Microcolonial fungi (MCF), known for their tolerance to withstand harsh environmental conditions, were the only fungal group found in the CZ:Ca-SG treatment. In contrast, CZ-SG and CZ-MC increased the abundance of melanized species, resulting in darkening and reduced color intensity. This study highlights the importance of microcolonial fungi that are tolerant to cleaning and coating procedures in the preservation of stone cultural heritage. These findings enhance our understanding of fungal colonization dynamics following treatment and provide valuable insights into the challenges associated with preserving stone materials in tropical environments.
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Affiliation(s)
- Susana De la Rosa-García
- Laboratorio de Microbiología Aplicada, División Académica de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco, 0.5 km Carretera Villahermosa-Cárdenas, Villahermosa 86000, Tabasco, Mexico.
| | | | - Claudia García Solís
- Sección de Conservación y Restauración, Centro INAH-Yucatán, Calle 10 No. 310-A, Col. Gonzalo Guerrero, 97310 Mérida, Yucatán, Mexico
| | - Neftalí Soberanes García
- Universidad Politécnica del Centro, Km. 22.5 Carretera Federal Villahermosa-Teapa, Tumbulushal, Centro, 86290 Villahermosa, Tabasco, Mexico
| | - Patricia Quintana
- Laboratorio Nacional de Nano y Biomateriales, Departamento de Física Aplicada, CINVESTAV-IPN, A.P. 73, Ciordemex, 973109 Mérida, Yucatán, Mexico
| | - Sergio Gómez-Cornelio
- Universidad Politécnica del Centro, Km. 22.5 Carretera Federal Villahermosa-Teapa, Tumbulushal, Centro, 86290 Villahermosa, Tabasco, Mexico; Laboratorio de Nanotecnología-CICTAT, División Académica de Ingeniería y Arquitectura, Universidad Juárez Autónoma de Tabasco, Carr. Cunduacán-Jalpa de Méndez, Km 1, Cunduacán, Tabasco 86690, Mexico
| | - Rafael Fort
- Instituteo de Geociencias (CSIC, UCM), Severo Ochoa 7, CP 28040 Madrid, Spain.
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14
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Selvarajan R, Sibanda T, Ullah H, Abia ALK. Beach sand mycobiome: The silent threat of pathogenic fungi and toxic metal contamination for beachgoers. MARINE POLLUTION BULLETIN 2024; 198:115895. [PMID: 38101061 DOI: 10.1016/j.marpolbul.2023.115895] [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: 10/23/2023] [Revised: 11/17/2023] [Accepted: 12/02/2023] [Indexed: 12/17/2023]
Abstract
Emphasis is always placed on bacterial but not fungal pathogens in marine environments. We analysed the fungal diversity, functional predictions, and toxic metals and metalloids contamination in beach sand from different South African locations. Results revealed a diverse fungal community, with Ascomycota, Rozellomycota, and Basidiomycota being the dominant phyla. Functional predictions highlighted fungal metabolic pathways related to of carbohydrates, amino acids, and lipids, in different beach samples. Elevated concentrations of toxic metals and metalloids were detected in Central and Harbour beach sands, likely due to anthropogenic activities. Correlations among different elements were observed, suggesting complex interactions in the coastal environment. Fungal pathogens like Cladosporium, Fusarium, Aspergillus, and Candida in beach sands raise potential public health risk concerns. Therefore, monitoring fungal diversity (including pathogens) alongside bacterial contamination in beach environments is imperative. The results contribute to understanding fungal community dynamics, functional potential, toxic metal and metalloid contamination, and potential risks associated with beach sand ecosystems.
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Affiliation(s)
- Ramganesh Selvarajan
- Institute of Deep Sea Science and Engineering (IDSSE), Chinese Academy of Sciences (CAS), Sanya, China; Department of Environmental Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Florida Campus, South Africa.
| | - Timothy Sibanda
- School of Molecular and Cell Biology, Faculty of Science, University of the Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa
| | - Habib Ullah
- Institute of Deep Sea Science and Engineering (IDSSE), Chinese Academy of Sciences (CAS), Sanya, China
| | - Akebe Luther King Abia
- Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa; Environmental Research Foundation, Westville 3630, South Africa.
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15
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Agrawal S, Khumlianlal J, Devi SI. Uncovering the Fungal Diversity and Biodeterioration Phenomenon on Archaeological Carvings of the Badami Cave Temples: A Microcosm Study. Life (Basel) 2023; 14:28. [PMID: 38255644 PMCID: PMC10820822 DOI: 10.3390/life14010028] [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: 11/09/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
The Badami Caves are a significant example of ancient Indian rock-cut architecture, dating back to the 6th century. These caves are situated in the Malaprabha River valley and are part of the candidate UNESCO World Heritage Site known as the "Evolution of Temple Architecture-Aihole-Badami-Pattadakal", which is considered to be the cradle of temple architecture in India. Our study aimed to investigate the diversity, distribution, and biodeterioration phenomena of the fungal communities present on the cave surfaces. The study also conducted a comprehensive analysis of fungal biodeterioration on the cave carvings. Utilizing specialized techniques, the dissolution of calcite, alterations in pH levels, and biomineralization capabilities of isolated fungal strains were monitored. Additionally, this study analyzed fungal acid production using high-performance liquid chromatography (HPLC). Our findings revealed that the major genera of fungi found on the cave surfaces included Acremonium, Curvularia, Cladosporium, Penicillium, and Aspergillus. These isolated fungi were observed to produce acids, leading to the dissolution of calcium carbonate and subsequent decrease in pH values. Notably, the dominant genus responsible for acid production and the promotion of biomineralization was Aspergillus. These discoveries provide valuable insight into the ecology and functions of fungi inhabiting stone surfaces, contributing to our understanding of how to preserve and protect sculptures from biodeterioration.
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Affiliation(s)
- Shivankar Agrawal
- Department of Phytochemistry, ICMR-National Institute of Traditional Medicine, Belagavi 590010, India
| | - Joshua Khumlianlal
- Institute of Bioresources and Sustainable Development (Department of Biotechnology, Government of India), Imphal 795001, India
| | - Sarangthem Indira Devi
- Institute of Bioresources and Sustainable Development (Department of Biotechnology, Government of India), Imphal 795001, India
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16
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Piątek M, Stryjak-Bogacka M, Czachura P, Owczarek-Kościelniak M. The genus Rachicladosporium: introducing new species from sooty mould communities and excluding cold adapted species. Sci Rep 2023; 13:22795. [PMID: 38129458 PMCID: PMC10739867 DOI: 10.1038/s41598-023-49696-9] [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: 07/19/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
The fungal genus Rachicladosporium (Cladosporiales, Cladosporiaceae), typified by cladosporium-like Rachicladosporium luculiae, includes a morphologically diverse assemblage of species. The species of this genus were reported from different substrates, habitats and environments, including plant leaves and needles, twig, black mould on baobab trees, rocks and insects. In this study, four new Rachicladosporium species (R. europaeum, R. ignacyi, R. kajetanii, R. silesianum) isolated from sooty mould communities covering leaves and needles of trees and shrubs in Poland are described. The new species are delineated based on morphological characteristics and molecular phylogenetic analyses using concatenated ITS, LSU, and rpb2 sequences. All newly described species are nested in the main Rachicladosporium lineage (centred around the type species), which contains species that are able to grow at 25 °C. By contrast, four cold adapted, endolithic species known from Antarctica (R. antarcticum, R. aridum, R. mcmurdoi) and Italian Alps (R. monterosanum) form distant phylogenetic lineage and do not grow at this temperature. Therefore, they are accommodated in the new genus Cryoendolithus, typified by Cryoendolithus mcmurdoi.
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Affiliation(s)
- Marcin Piątek
- W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512, Kraków, Poland.
| | - Monika Stryjak-Bogacka
- W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512, Kraków, Poland
| | - Paweł Czachura
- W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512, Kraków, Poland
| | - Magdalena Owczarek-Kościelniak
- W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512, Kraków, Poland
- Norwegian Veterinary Institute, P.O. Box 64, 1431, Ås, Norway
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17
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Borman AM, Johnson EM. Changes in fungal taxonomy: mycological rationale and clinical implications. Clin Microbiol Rev 2023; 36:e0009922. [PMID: 37930182 PMCID: PMC10732072 DOI: 10.1128/cmr.00099-22] [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: 05/22/2023] [Accepted: 07/13/2023] [Indexed: 11/07/2023] Open
Abstract
Numerous fungal species of medical importance have been recently subjected to and will likely continue to undergo nomenclatural changes as a result of the application of molecular approaches to fungal classification together with abandonment of dual nomenclature. Here, we summarize those changes affecting key groups of fungi of medical importance, explaining the mycological (taxonomic) rationale that underpinned the changes and the clinical relevance/importance (where such exists) of the key nomenclatural revisions. Potential mechanisms to mitigate unnecessary taxonomic instability are suggested, together with approaches to raise awareness of important changes to minimize potential clinical confusion.
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Affiliation(s)
- Andrew M. Borman
- UK HSA National Mycology Reference Laboratory, Science Quarter, Southmead Hospital, Bristol, United Kingdom
- Medical Research Council Centre for Medical Mycology (MRC CMM), University of Exeter, Exeter, United Kingdom
| | - Elizabeth M. Johnson
- UK HSA National Mycology Reference Laboratory, Science Quarter, Southmead Hospital, Bristol, United Kingdom
- Medical Research Council Centre for Medical Mycology (MRC CMM), University of Exeter, Exeter, United Kingdom
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18
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Rodríguez-Cerdeira C, Hernández-Castro R, Arenas R, Sandoval-Tress C, Gutiérrez-Murillo F, Martínez-Chavarría LC, Xicohtencatl-Cortes J, Fida M, Martinez-Herrera E. From Child to Old Man: A Slowly Evolving Case of Chromoblastomycosis Caused by Cladosporium cladosporioides. Antibiotics (Basel) 2023; 12:1713. [PMID: 38136747 PMCID: PMC10741158 DOI: 10.3390/antibiotics12121713] [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: 10/23/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Chromoblastomycosis is a chronic granulomatous mycosis of the skin and subcutaneous tissue caused by traumatic inoculation with dematiaceous fungi. This disease primarily affects agricultural workers, who are mostly men. We present a case of chromoblastomycosis in a 63-year-old male farmer patient with dermatosis over 50 years of evolution, with warty, erythematous, and scaly plaques that predominate on the left hemithorax. Direct examination with potassium hydroxide (KOH) revealed numerous fumagoid cells. Amplification and sequencing of the internal transcribed spacer (ITS) and translation elongation factor 1-alpha (TEF-1a) gene revealed that chromoblastomycosis was caused by Cladosporium cladosporioides. The chromoblastomycosis was treated with itraconazole and fluconazole without any improvement, and amphotericin B was administered with partial improvement.
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Affiliation(s)
- Carmen Rodríguez-Cerdeira
- Fundación Vithas, Grupo Hospitalario Vithas, 28043 Madrid, Spain;
- Dermatology Department, Hospital do Vithas, 36206 Vigo, Spain
- European Women’s Dermatologic and Venereologic Society, 36700 Tui, Spain;
- Psychodermatology Task Force of the Ibero-Latin American College of Dermatology (CILAD), Buenos Aires C1091, Argentina
| | - Rigoberto Hernández-Castro
- Departamento de Ecología y Agentes Patógenos, Hospital General Dr. Manuel Gea González, Tlalpan 14080, Mexico;
| | - Roberto Arenas
- Fundación Vithas, Grupo Hospitalario Vithas, 28043 Madrid, Spain;
- European Women’s Dermatologic and Venereologic Society, 36700 Tui, Spain;
- Psychodermatology Task Force of the Ibero-Latin American College of Dermatology (CILAD), Buenos Aires C1091, Argentina
- Sección de Micología, Hospital General “Dr. Manuel Gea González”, Tlalpan 14080, Mexico
| | - Cecilia Sandoval-Tress
- Departamento de Dermatología, Hospital General de Zona # 42 Instituto Mexicano del Seguro Social, Puerto Vallarta 48310, Mexico;
| | | | - Luary Carolina Martínez-Chavarría
- Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Coyoacán 04510, Mexico;
| | - Juan Xicohtencatl-Cortes
- Laboratorio de Bacteriología Intestinal, Hospital Infantil de México Dr. Federico Gómez, Cuauhtémoc 06720, Mexico;
| | - Monika Fida
- European Women’s Dermatologic and Venereologic Society, 36700 Tui, Spain;
- Dermatology Department, Medical University of Tirana, U.M.T., 1001 Tirana, Albania
| | - Erick Martinez-Herrera
- Fundación Vithas, Grupo Hospitalario Vithas, 28043 Madrid, Spain;
- European Women’s Dermatologic and Venereologic Society, 36700 Tui, Spain;
- Psychodermatology Task Force of the Ibero-Latin American College of Dermatology (CILAD), Buenos Aires C1091, Argentina
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Ciudad de México 11340, Mexico
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19
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Kural-Rendon C, Ford NE, Wagner MR. Interactions with fungi vary among Tripsacum dactyloides genotypes from across a precipitation gradient. AOB PLANTS 2023; 15:plad072. [PMID: 38028745 PMCID: PMC10667659 DOI: 10.1093/aobpla/plad072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 11/01/2023] [Indexed: 12/01/2023]
Abstract
Plant-associated microbes, specifically fungal endophytes, augment the ability of many grasses to adapt to extreme environmental conditions. Tripsacum dactyloides (Eastern gamagrass) is a perennial, drought-tolerant grass native to the tallgrass prairies of the central USA. The extent to which the microbiome of T. dactyloides contributes to its drought tolerance is unknown. Ninety-seven genotypes of T. dactyloides were collected from native populations across an east-west precipitation gradient in Kansas, Oklahoma and Texas, and then grown together in a common garden for over 20 years. Root and leaf samples were visually examined for fungal density. Because fungal endophytes confer drought-tolerant capabilities to their host plants, we expected to find higher densities of fungal endophytes in plants from western, drier regions, compared to plants from eastern, wetter regions. Results confirmed a negative correlation between endophyte densities in roots and precipitation at the genotype's original location (r = -0.21 P = 0.04). Our analyses reveal that the host genotype's origin along the precipitation gradient predicts the absolute abundance of symbionts in the root, but not the relative abundances of particular organisms or the overall community composition. Overall, these results demonstrate that genetic variation for plant-microbe interactions can reflect historical environment, and reinforce the importance of considering plant genotype in conservation and restoration work in tallgrass prairie ecosystems.
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Affiliation(s)
- Ceyda Kural-Rendon
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA
| | - Natalie E Ford
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA
- Kansas Biological Survey and Center for Ecological Research, University of Kansas, Lawrence, KS 66045, USA
| | - Maggie R Wagner
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA
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Li J, Zhang D, Du Y, Song J, Li R, Dai X, Chen J, Li G, Liu Z. Genome Sequence Resource of Cladosporium velox Strain C4 Causing Cotton Boll Disease in Xinjiang, China. PLANT DISEASE 2023; 107:4010-4015. [PMID: 37368501 DOI: 10.1094/pdis-11-22-2694-a] [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: 06/29/2023]
Abstract
Cladosporium spp., as one of the largest and most heterogeneous genera of hyphomycetes, are widely distributed worldwide. This genus is usually adaptable to a wide variety of extreme environments. However, only 11 genomes of Cladosporium genus have been publicly released. From 2017, we found for the first time that Cladosporium velox could cause cotton boll disease and lead to stiffness and cracking boll in Xinjiang, China. Herein, we provide a high-quality reference genome for the C. velox strain C4 isolated from cotton boll in Xinjiang, China. The genome size and encoding gene number of the C. velox strain C4 and C. cucumerinum strain CCNX2, which was recently released and caused the cucumber scab, showed minor differences. This resource will contribute to future research that aims to elucidate the genetic basis of C. velox pathogenicity and could expand our knowledge of Cladosporium spp. genomic characteristics that will be valuable for the development of Cladosporium disease control measures.
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Affiliation(s)
- Jingwen Li
- College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Dandan Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Yejuan Du
- College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Jian Song
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Ran Li
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Xiaofeng Dai
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jieyin Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Guoying Li
- College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Zheng Liu
- College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, Xinjiang 832003, China
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21
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Dutra YLG, Rosado AWC, Condé TO, Leão AF, Neves SDC, Fraga LMS, Kasuya MCM, Pereira OL. Two new Cladosporium species from a quartzite cave in Brazil. Braz J Microbiol 2023; 54:3021-3031. [PMID: 37880564 PMCID: PMC10689331 DOI: 10.1007/s42770-023-01156-2] [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: 11/28/2022] [Accepted: 10/13/2023] [Indexed: 10/27/2023] Open
Abstract
Caves are underground and natural environments mainly found in rocky terrain. Caves have a very specific microclimate, which benefits the occurrence of specific fungi. In recent studies, researchers have observed that caves harbour a great diversity of fungi. However, studies on fungal diversity in Brazilian caves are still incipient. In September 2019, airborne spore and soil samples were collected from the Monte Cristo cave, in the Southern Espinhaço Range, Diamantina, Minas Gerais state, Brazil. Two Cladosporium single-spore isolates, among other genera, were obtained from these samples. This study aimed to characterise these two fungal isolates based on their DNA sequence data and morphology. Phylogenetic analyses of the rDNA-ITS, ACT and TEF1-α loci revealed that the isolates belonged to the Cladosporium cladosporioides species complex. Both isolates did not cluster with any known species and were formally described and named herein as C. diamantinense and C. speluncae. This study presents taxonomic novelties and contributes to the knowledge about the fungal diversity in Brazilian caves.
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Affiliation(s)
- Yan Lucas Gomes Dutra
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - André Wilson Campos Rosado
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Thiago Oliveira Condé
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Ana Flávia Leão
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Soraya de Carvalho Neves
- Instituto de Ciência e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, 39100-000, Brazil
| | - Lucio Mauro Soares Fraga
- Instituto de Ciência e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, 39100-000, Brazil
| | | | - Olinto Liparini Pereira
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
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22
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Cao G, Li X, Zhang C, Xiong Y, Li X, Li T, He S, Cui Z, Yu J. Physiological response mechanism of heavy metal-resistant endophytic fungi isolated from the roots of Polygonatum kingianum. ENVIRONMENTAL MICROBIOLOGY REPORTS 2023; 15:568-581. [PMID: 37604512 PMCID: PMC10667662 DOI: 10.1111/1758-2229.13194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 08/23/2023]
Abstract
This study aims to evaluate the tolerance of endophytic fungi isolated from the fibrous roots of Polygonatum kingianum to arsenic (As) and cadmium (Cd) and their physiological response mechanisms. Five isolated strains were obtained with EC50 values for As(V) ranging from 421 to 1281 mg/L, while the other three strains tolerated Cd(II) with an EC50 range of 407-1112 mg/L. Morphological and molecular identification indicated that these eight strains were Cladosporium spp. belonging to dark septate endophytes (DSEs). The contents of metal ions in mycelium sharply increased, reaching 38.87 mg/kg for strain MZ-11 under As(V) stress and 0.33 mg/kg for fungus PR-2 under Cd(II). The physiological response revealed that the biomass decreased with increasing concentrations of As(V) or Cd(II), and the activity of superoxide dismutase significantly improved under the corresponding EC50 -concentration As/Cd of the strains, as well as the contents of antioxidant substances, including metallothionein, glutathione, malondialdehyde, melanin, and proline. Taken together, the filamentous fungi of Cladosporium spp. accounted for a high proportion of fungi isolated from the fibrous roots of P. kingianum and had a strong capacity to tolerate As(V) or Cd(II) stress by improving antioxidase activities and the content of antioxidant substances, and immobilization of metal ions in hyphae.
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Affiliation(s)
- Guan‐Hua Cao
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Xiao‐Gang Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Chen‐Rui Zhang
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Yi‐Ran Xiong
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Xue Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Tong Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Sen He
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
- Department of Environmental HealthUniversity of Fukui School of Medical SciencesFukuiJapan
| | - Zheng‐Guo Cui
- Department of Environmental HealthUniversity of Fukui School of Medical SciencesFukuiJapan
| | - Jie Yu
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
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23
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Kaur H, Gupta P, Ahmad H, Shankarnarayan SA, Srivastava S, Sahu S, Karuna T, Narang T, Gupta S, Ghosh A, Rudramurthy SM. Cladosporium halotolerans: Exploring an Unheeded Human Pathogen. Mycopathologia 2023; 188:1027-1040. [PMID: 37924426 DOI: 10.1007/s11046-023-00801-6] [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: 07/14/2023] [Accepted: 09/26/2023] [Indexed: 11/06/2023]
Abstract
BACKGROUND Cladosporium halotolerans is a saprobic fungus, rarely implicated in human infections. The identification is challenging due to non-specific phenotypic features. OBJECTIVE To decipher clinical spectrum, microbiological and susceptibility profile of clinical and environmental isolates of Cladosporium halotolerans. METHOD All the isolates identified as Cladosporium halotolerans deposited in National Culture Collection for Pathogenic Fungi (NCCPF), Postgraduate Institute of Medical Education and Research, Chandigarh, India were revived. Phenotypic and molecular characterization targeting internal transcribed spacer (ITS) region of ribosomal DNA, large subunit of ribosomal DNA (LSU; NL1 and NL4), actin (ACT) and beta-tubulin (TUB) was done. Scanning electron microscopy (SEM) was performed to determine any phenotypic variations. Antifungal susceptibility testing (AFST) was carried out for eight antifungal agents as per CLSI M38 Ed3 guidelines. We also performed systematic literature review of all the cases of Cladosporium halotolerans reported till date. RESULTS A total of four isolates (clinical, n = 3; soil, n = 1) identified as Cladosporium halotolerans were included in the study. The clinical sites were skin, maxillary tissue and nail. All patients were apparently immunocompetent, and history of trauma was recorded in one patient. All patients improved on antifungal therapy. The cultures revealed growth of black mycelial fungus and microscopic examination demonstrated dematiaceous septate hyphae with erect conidiophores and conidia in branched acropetal chains. Based on molecular methods, all the four isolates were identified as C. halotolerans. SEM revealed no variation in length and width of the conidia, conidiophores, ramoconidium and hyphae among the isolates. All molecular targets, such as ITS region, LSU (partially sequenced), ACT and TUB were able to differentiate the isolates. Minimum inhibitory concentrations for antifungals were: triazoles (0.12-2 μg/ml), amphotericin B (4 μg/ml) and echinocandins (2-8 μg/ml). CONCLUSION We report role of the rarely isolated dematiaceous fungus, C. halotolerans, in causing human infections. The study emphasizes the role of molecular methods in precisely identifying these species. Triazoles are more active against these black fungi compared to polyenes or echinocandins.
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Affiliation(s)
- Harsimran Kaur
- Mycology Division, Department of Medical Microbiology, PGIMER, Chandigarh, 160012, India
| | - Parakriti Gupta
- Department of Microbiology, Government Medical College and Hospital, Chandigarh, India
| | - Haseen Ahmad
- Mycology Division, Department of Medical Microbiology, PGIMER, Chandigarh, 160012, India
| | | | | | - Suneeta Sahu
- Clinical Microbiology and Molecular Biology, Apollo Hospitals Bhubaneswar, Bhubaneswar, India
| | - T Karuna
- Department of Microbiology, AIIMS, Bhopal, Madhya Pradesh, India
| | - Tarun Narang
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, Chandigarh, 160012, India
| | - Sunita Gupta
- Mycology Division, Department of Medical Microbiology, PGIMER, Chandigarh, 160012, India
| | - Anup Ghosh
- Mycology Division, Department of Medical Microbiology, PGIMER, Chandigarh, 160012, India
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24
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GS A, Mayavathi NR NP, N.R. A, B.M. M, Sherpa DC, C A, Suresh A, Kammar S, M S, S S, B.N. G, Doss S G. Diversity of fungal pathogens in leaf spot disease of Indian mulberry and its management. Heliyon 2023; 9:e21750. [PMID: 38027777 PMCID: PMC10665727 DOI: 10.1016/j.heliyon.2023.e21750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
Leaf spot disease in mulberry significantly affects silk production by reducing the nutritive quality of the leaves. This disease caused by various pathogens, regardless of the localities under the same climatic region. In the present investigation, an approximate incidence rate of 84 % was recorded in Karnataka based on surveys conducted in both farmer fields and germplasm locations. The causative agents have shown diversification, including new candidates such as Bipolaris sorokiniana, Curvularia lunata, Cladosporium sphaerospermum, and Epicoccum sorghinum. These findings mark the first report of these pathogens in Indian mulberry production. The investigation involved detailed pathogenicity assessments on the predominant mulberry silk production cultivar under controlled and field environments. Pathogens were identified using morpho-cultural, microscopic and phylogenetic analyses, including the internal transcribed spacer (ITS). Various concentrations of fungicides, both individually and in combinations, were evaluated to identify effective measures for mitigating yield losses. Among the fungicides tested against the new pathogens, Hexaconazole 5 % SC and Hexaconazole 5 % + Captan 70 % WP demonstrated high promise and cost-effectiveness. Consequently, these fungicides could serve as immediate solutions to prevent further yield reduction. However, it is essential to conduct comprehensive field investigations before recommending them as standard practices. Future research endeavors should focus on assessing the extent of crop loss caused by these newly identified pathogens in mulberry cultivation.
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Affiliation(s)
- Arunakumar GS
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Nisarga Pushpa Mayavathi NR
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Arya N.R.
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Monika B.M.
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Dolma Chhuden Sherpa
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Anupama C
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Akhil Suresh
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Supriya Kammar
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Supriya M
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Sruthi S
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
| | - Gnanesh B.N.
- Sampoorna International Institute of Agri Science & Horticultural Technology, Maddur, 571 433, Karnataka, India
| | - Gandhi Doss S
- Mulberry Pathology and Molecular Biology Lab-I, Central Sericultural Research and Training Institute, Manandavadi Road, Srirampura, Mysuru, 570 008, Karnataka, India
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Albayrak Turgut B, Örtücü S. A new hydrophobin candidate from Cladosporium macrocarpum with super-hydrophobic surface. Prep Biochem Biotechnol 2023; 53:1306-1312. [PMID: 37139745 DOI: 10.1080/10826068.2023.2201930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Hydrophobins are amphipathic proteins with small molecular weights produced in filamentous fungi. These proteins are highly stable due to the disulfide bonds formed between the protected cysteine residues. They have great potential for usage in many different fields such as surface modifications, tissue engineering, and drug transport systems because hydrophobins are surfactants and soluble in harsh mediums. In this study, it was aimed to determine the hydrophobin proteins responsible for the hydrophobicity of the super-hydrophobic fungi isolates in the culture medium and to carry out the molecular characterization of the hydrophobin producer species. As a result of measuring surface hydrophobicity by determining the water contact angle, five different fungi with the highest hydrophobicity were classified as Cladosporium by classical and molecular (ITS and D1-D2 regions) methods. Also, protein extraction according to the recommended method for obtaining hydrophobins from spores of these Cladosporium species indicated that the isolates have similar protein profiles. Ultimately, the isolate named A5 with the highest water contact angle was identified as Cladosporium macrocarpum, and the 7 kDa band was appointed as a hydrophobin since it was the most abundant protein in protein extraction for this species.
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Affiliation(s)
- Büşra Albayrak Turgut
- Department of Molecular Biology and Genetics, Erzurum Technical University, Erzurum, Türkiye
| | - Serkan Örtücü
- Department of Molecular Biology and Genetics, Erzurum Technical University, Erzurum, Türkiye
- EcoTech Biotechnology, Ata Teknokent, Erzurum, Türkiye
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Maoloni A, Cardinali F, Milanović V, Reale A, Boscaino F, Di Renzo T, Ferrocino I, Rampanti G, Garofalo C, Osimani A, Aquilanti L. Impact of Different Drying Methods on the Microbiota, Volatilome, Color, and Sensory Traits of Sea Fennel ( Crithmum maritimum L.) Leaves. Molecules 2023; 28:7207. [PMID: 37894688 PMCID: PMC10609079 DOI: 10.3390/molecules28207207] [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: 08/30/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
Sea fennel (Crithmum maritimum L.) is a strongly aromatic herb of the Apiaceae family, whose full exploitation by the modern food industry is of growing interest. This study aimed at investigating the microbiological quality, volatile profile, and sensory traits of sea fennel spices produced using room-temperature drying, oven drying, microwave drying, and freeze drying. All the assayed methods were able to remove moisture up until water activity values below 0.6 were reached; however, except for microwave drying, none of the assayed methods were effective in reducing the loads of contaminating microorganisms. The metataxonomic analysis highlighted the presence of phytopathogens and even human pathogens, including members of the genera Bacillus, Pseudomonas, Alternaria, and Cryptococcus. When compared to fresh leaves, dried leaves showed increased L* (lightness) and c* (chroma, saturation) values and reduced hue angle. Dried leaves were also characterized by decreased levels of terpene hydrocarbons and increased levels of aldehydes, alcohols, and esters. For the sensory test, the microwave-dried samples obtained the highest appreciation by the trained panel. Overall, the collected data indicated microwave drying as the best option for producing sea fennel spices with low microbial loads, brilliant green color, and high-quality sensory traits.
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Affiliation(s)
- Antonietta Maoloni
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Federica Cardinali
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Vesna Milanović
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Anna Reale
- Istituto di Scienze dell’Alimentazione (ISA), Consiglio Nazionale delle Ricerche (CNR), 83100 Avellino, Italy; (A.R.); (F.B.); (T.D.R.)
| | - Floriana Boscaino
- Istituto di Scienze dell’Alimentazione (ISA), Consiglio Nazionale delle Ricerche (CNR), 83100 Avellino, Italy; (A.R.); (F.B.); (T.D.R.)
| | - Tiziana Di Renzo
- Istituto di Scienze dell’Alimentazione (ISA), Consiglio Nazionale delle Ricerche (CNR), 83100 Avellino, Italy; (A.R.); (F.B.); (T.D.R.)
| | - Ilario Ferrocino
- Department of Agricultural, Forest, and Food Science, University of Turin, Largo Paolo Braccini 2, Grugliasco, 10095 Turin, Italy;
| | - Giorgia Rampanti
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Cristiana Garofalo
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Andrea Osimani
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
| | - Lucia Aquilanti
- Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy; (A.M.); (F.C.); (V.M.); (G.R.); (C.G.); (A.O.)
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Stupar M, Savković Ž, Popović S, Simić GS, Grbić ML. Speleomycology of Air in Stopića Cave (Serbia). MICROBIAL ECOLOGY 2023; 86:2021-2031. [PMID: 37000232 PMCID: PMC10064612 DOI: 10.1007/s00248-023-02214-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Fungi can colonize organic matter present in subterranean sites and have a significant role as dwellers in different microniches of cave habitats. In order to analyze the content of airborne fungal propagules in different parts of "Stopića Cave," a touristic site in Serbia, air sampling was carried out in three seasons during 2020, prior to and during the onset of COVID-19 pandemic. Culturable mycobiota was identified using both microscopic techniques and ITS region/BenA gene barcoding, while multivariate analyses were employed to establish the link between fungal taxa and different environmental factors. The maximal measured fungal propagule concentrations were recorded during spring sampling which were based on fungal propagule concentration categories; the cave environment matches the category V. A total of 29 fungal isolates were identified, while Aspergillus, Cladosporium, Fusarium, Lecanicillium, Mucor, and Penicillium were the most diverse genera. According to the trophic mode, most of the isolated fungal species were pathotrophs (75.86%), but when regarding ecological guilds, the most dominant were undefined saprobes and animal pathogens (41.38% for each). Show caves are especially vulnerable to human impacts, and the fungal propagules' concentration within the caves could be good indices for the level of ecological disturbance.
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Affiliation(s)
- Miloš Stupar
- Faculty of Biology, University of Belgrade, Studentski Trg 16, Belgrade, 11000, Serbia.
| | - Željko Savković
- Faculty of Biology, University of Belgrade, Studentski Trg 16, Belgrade, 11000, Serbia
| | - Slađana Popović
- Faculty of Biology, University of Belgrade, Studentski Trg 16, Belgrade, 11000, Serbia
| | - Gordana Subakov Simić
- Faculty of Biology, University of Belgrade, Studentski Trg 16, Belgrade, 11000, Serbia
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Corsaro D, Müller KD, Mosel F, Jastrow H, Walochnik J, Michel R. On predatory fungi feeding on free-living amoebae harbouring yeast-like endoparasites. Parasitol Res 2023; 122:2385-2392. [PMID: 37561177 DOI: 10.1007/s00436-023-07940-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 08/07/2023] [Indexed: 08/11/2023]
Abstract
Amoebae of the genus Vannella isolated from an ornamental fish aquarium were found to be infected with fungi. Upon plate culture, amoeba-trapping hyphal filaments were developed, and the amoeba trophozoites were found to harbour yeast-like parasites in their cytoplasm. Transfection of hyphae to a laboratory strain of Vannella resulted in the formation of conidia indicating the possible presence of zygomycetes of the genus Acaulopage, while efforts to culture the endoparasite remained unsuccessful. Biomolecular analysis based on rDNA revealed the presence of two distinct types of fungi, confirming the filamentous form as Acaulopage sp. (Zoopagomycota, Zoopagales) and identifying the yeast-like endoparasite as Cladosporium sp. (Ascomycota, Cladosporiales). To our knowledge, this is the first report of amoebae infected with Cladosporium.
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Affiliation(s)
- Daniele Corsaro
- CHLAREAS, 12 Rue du Maconnais, 54500, Vandœuvre-Lès-Nancy, France.
| | - Karl-Dieter Müller
- Institute of Medical Microbiology, University of Duisburg-Essen, Hufelandstr. 55, 45147, Essen, Germany
| | - Frank Mosel
- Institute of Medical Microbiology, University of Duisburg-Essen, Hufelandstr. 55, 45147, Essen, Germany
| | - Holger Jastrow
- Institute of Anatomy, University of Duisburg-Essen, Hufelandstr. 55, 45147, Essen, Germany
- Imaging Center Essen (IMCES), Electron Microscopy Unit (EMU), Medical Faculty, University of Duisburg-Essen, Hufelandstr. 55, 45147, Essen, Germany
| | - Julia Walochnik
- Molecular Parasitology, Institute of Specific Prophylaxis and Tropical Medicine, Medical University of Vienna, Kinderspitalgasse 15, 1090, Vienna, Austria
| | - Rolf Michel
- , Wiedhöhe 2, 56581, Melsbach, Germany
- Department of Pathology/Electron Microscopy, Central Military Hospital Koblenz, Andernacher Straße 100, 56070, Koblenz, Germany
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Moreira FM, Pereira PDA, Miranda RVDSLD, Reis CMFD, Braga LMPDS, de Andrade JM, do Nascimento LG, Mattoso JMV, Forsythe SJ, da Costa LV, Brandão MLL. Evaluation of MALDI-TOF MS, sequencing of D2 LSU rRNA and internal transcribed spacer regions (ITS) for the identification of filamentous fungi isolated from a pharmaceutical facility. J Pharm Biomed Anal 2023; 234:115531. [PMID: 37354630 DOI: 10.1016/j.jpba.2023.115531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/12/2023] [Accepted: 06/12/2023] [Indexed: 06/26/2023]
Abstract
The identification of filamentous fungi through culture characterization may be hampered by phenotypic variability. Information obtained from the identification of microorganisms are important for investigation of sources of contamination of a product or process. The aim of this study was to identify filamentous fungal strains (n = 50) isolated from a pharmaceutical facility by using Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS), as well as D2 domain of the large-subunit (LSU) ribosomal RNA gene and internal transcribed spacer regions (ITS) sequencing. MALDI-TOF MS system only identified five strains at the species level, while 45 were not identified. The analysis through GenBank allowed the identification of up to 19 strains at the species level, while MycoBank allowed the identification of up to nine strains at the species level. The databases identified up to 11 genera: Penicillium, Aspergillus, Cladosporium, Chaetomium, Coniochaeta, Curvularia, Diaporthe, Fusarium, Trichoderma, Rhizopus and Microdochium. MALDI-TOF MS showed an insufficient database to identify the species of fungi. DNA sequencing was the best methodology to identify to the genus level but was unable to differentiate between closely related species. Therefore further methods for the identification of filamentous fungi from pharmaceutical areas at species level need to be developed.
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da Silva NMP, Guterres DC, Borges LS, Barreto RW, Furtado GQ. Surveying potentially antagonistic fungi to myrtle rust (Austropuccinia psidii) in Brazil: fungicolous Cladosporium spp. Braz J Microbiol 2023; 54:1899-1914. [PMID: 37389796 PMCID: PMC10484887 DOI: 10.1007/s42770-023-01047-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/19/2023] [Indexed: 07/01/2023] Open
Abstract
The myrtle rust (MR), caused by Austropuccinia psidii, is a worldwide threat to the cultivated and wild Myrtaceae. Originally from the neotropics, it has spread to North America, Africa, and Asia and has reached geographically isolated areas in the Pacific and Australasia. It is attacking native species in those new ranges and is still spreading and causing great concern for the damage caused to endemic Myrtaceae, and to the environment. Classical biological control is regarded as the most sustainable management option for mitigating such biological invasions. However, there are no examples of introductions of host-specific co-evolved natural enemies of plant pathogens, from their native range, as a management strategy for plant pathogens. In order to explore this neglected approach, a survey of potential fungal natural enemies of A. psidii was initiated recently in the state of Minas Gerais (Brazil). Several purported mycoparasites have been collected from A. Psidii pustules formed on myrtaceous hosts. This included some isolates of dematiaceous fungi recognized as having a Cladosporium-like morphology. Here we present the results of the investigation aimed at elucidating their identity through a polyphasic taxonomic approach. Besides morphological and cultural features, molecular analyses using sequences of translation elongation factor 1-α (EF1) and actin (ACT) were performed. The combination of data generated is presented herein and placed all Cladosporium-like isolates in six species of Cladosporium, namely, Cladosporium angulosum, C. anthropophilum, C. bambusicola, C. benschii, C. guizhouense, and C. macadamiae. None of these have ever been recorded in association with A. psidii. Now, with the identification of these isolates at hand, an evaluation of biocontrol potential of these fungi will be initiated. In contrast with the ready finding of fungicolous (possibly mycoparasitic) fungi on MR in this study, no evidence of those was recorded from Australasia until now.
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Affiliation(s)
| | | | - Luísa Salvador Borges
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Robert Weingart Barreto
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Gleiber Quintão Furtado
- Departamento de Fitopatologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil.
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Yang X, Cao K, Ren X, Cao G, Xun W, Qin J, Zhou X, Jin L. Field Control Effect and Initial Mechanism: A Study of Isobavachalcone against Blister Blight Disease. Int J Mol Sci 2023; 24:10225. [PMID: 37373374 DOI: 10.3390/ijms241210225] [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: 05/25/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Blister blight (BB) disease is caused by the obligate biotrophic fungal pathogen Exobasidium vexans Massee and seriously affects the yield and quality of Camellia sinensis. The use of chemical pesticides on tea leaves substantially increases the toxic risks of tea consumption. Botanic fungicide isobavachalcone (IBC) has the potential to control fungal diseases on many crops but has not been used on tea plants. In this study, the field control effects of IBC were evaluated by comparison and in combination with natural elicitor chitosan oligosaccharides (COSs) and the chemical pesticide pyraclostrobin (Py), and the preliminary action mode of IBC was also investigated. The bioassay results for IBC or its combination with COSs showed a remarkable control effect against BB (61.72% and 70.46%). IBC, like COSs, could improve the disease resistance of tea plants by enhancing the activity of tea-plant-related defense enzymes, including polyphenol oxidase (PPO), catalase (CAT), phenylalanine aminolase (PAL), peroxidase (POD), superoxide dismutase (SOD), β-1,3-glucanase (Glu), and chitinase enzymes. The fungal community structure and diversity of the diseased tea leaves were examined using Illumina MiSeq sequencing of the internal transcribed spacer (ITS) region of the ribosomal rDNA genes. It was obvious that IBC could significantly alter the species' richness and the diversity of the fungal community in affected plant sites. This study broadens the application range of IBC and provides an important strategy for the control of BB disease.
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Affiliation(s)
- Xiuju Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Kunqian Cao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Xiaoli Ren
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Guangyun Cao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Weizhi Xun
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Jiayong Qin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Xia Zhou
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Linhong Jin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
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Lee W, Kim JS, Seo CW, Lee JW, Kim SH, Cho Y, Lim YW. Diversity of Cladosporium (Cladosporiales, Cladosporiaceae) species in marine environments and report on five new species. MycoKeys 2023; 98:87-111. [PMID: 37305062 PMCID: PMC10257140 DOI: 10.3897/mycokeys.98.101918] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 05/16/2023] [Indexed: 06/13/2023] Open
Abstract
Cladosporium species are cosmopolitan fungi, characterized by olivaceous or dark colonies with coronate conidiogenous loci and conidial hila with a central convex dome surrounded by a raised periclinal rim. Cladosporium species have also been discovered in marine environments. Although many studies have been performed on the application of marine originated Cladosporium species, taxonomic studies on these species are scarce. We isolated Cladosporium species from three under-studied habitats (sediment, seawater, and seaweed) in two districts including an intertidal zone in the Republic of Korea and the open sea in the Western Pacific Ocean. Based on multigenetic marker analyses (for the internal transcribed spacer, actin, and translation elongation factor 1), we identified fourteen species, of which five were found to represent new species. These five species were C.lagenariiformesp. nov., C.maltirimosumsp. nov., C.marinumsp. nov. in the C.cladosporioides species complex, C.snafimbriatumsp. nov. in the C.herbarum species complex, and C.marinisedimentumsp. nov. in the C.sphaerospermum species complex. Morphological characteristics of the new species and aspects of differences with the already known species are described herein together with molecular data.
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Affiliation(s)
- Wonjun Lee
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Ji Seon Kim
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Chang Wan Seo
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Jun Won Lee
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Sung Hyun Kim
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Yoonhee Cho
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
| | - Young Woon Lim
- School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul 08826, Republic of KoreaSeoul National UniversitySeoulRepublic of Korea
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Tyagi K, Kumar P, Pandey A, Ginwal HS, Barthwal S, Nautiyal R, Meena RK. First record of Cladosporium oxysporum as a potential novel fungal hyperparasite of Melampsora medusae f. sp. deltoidae and screening of Populus deltoides clones against leaf rust. 3 Biotech 2023; 13:213. [PMID: 37251733 PMCID: PMC10212908 DOI: 10.1007/s13205-023-03623-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 05/10/2023] [Indexed: 05/31/2023] Open
Abstract
Melampsora medusae f. sp. deltoidae is causing serious foliar rust disease on Populus deltoides clones in India. In the present study, a novel fungal hyperparasite on M. medusae has been reported. The hyperparasitic fungus was isolated from the uredeniospores of the rust fungi and identified as Cladosporium oxysporum by morphological characterization and DNA barcode technique based on the Internal Transcribed Spacer (ITS) region of nrDNA and beta-tubulin (TUB) gene region. Hyperparasitism was further confirmed through leaf assay and cavity slide methods. Leaf assay method showed no adverse effect of C. oxysporum on poplar leaves. However, the mean germination percentage of urediniospores was significantly decreased (p < 0.05) in the cavity slide method when a conidial suspension (1.5 × 107 conidia per ml) of C. oxysporum was applied in different deposition sequences. Scanning and light microscopic observations were made to explore the mode of action of the hyperparasitism. The antagonistic fungus vividly showed three different types of antagonism mechanisms, including enzymatic, direct, and contact parasitism. Alternatively, by screening 25 high-yielding clones of P. deltoides, five clones (FRI-FS-83, FRI-FS-92, FRI-FS-140, FRI-AM-111, and D-121) were enlisted under highly resistant category. Present study revealed an antagonistic relationship between C. oxysporum and M. medusae, which could be an effective method of biocontrol in field plantations of poplar. Combining this biocontrol approach with the use of resistant host germplasm could be an environment friendly strategy for preventing foliar rust and increasing poplar productivity in northern India. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03623-x.
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Affiliation(s)
- Kalpana Tyagi
- Division of Genetics and Tree Improvement, ICFRE-Forest Research Institute, Dehradun, 248195 Uttarakhand India
| | - Prabal Kumar
- Division of Silviculture and Forest Management, ICFRE-Forest Research Institute, Dehradun, 248006 Uttarakhand India
| | - Amit Pandey
- Division of Forest Protection, ICFRE-Forest Research Institute, Dehradun, 248006 Uttarakhand India
| | - Harish S. Ginwal
- Division of Genetics and Tree Improvement, ICFRE-Forest Research Institute, Dehradun, 248195 Uttarakhand India
| | - Santan Barthwal
- Division of Genetics and Tree Improvement, ICFRE-Forest Research Institute, Dehradun, 248195 Uttarakhand India
| | - Raman Nautiyal
- Division of Forestry Statistics, Indian Council of Forestry Research and Education, Dehradun, 248006 Uttarakhand India
- Present Address: Institute of Green Economy, Gurugram, India
| | - Rajendra K. Meena
- Division of Genetics and Tree Improvement, ICFRE-Forest Research Institute, Dehradun, 248195 Uttarakhand India
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Nasiri-Jahrodi A, Sheikholeslami FM, Barati M. Cladosporium tenuissimum-induced sinusitis in a woman with immune-deficiency disorder. Braz J Microbiol 2023; 54:637-643. [PMID: 37101101 PMCID: PMC10234976 DOI: 10.1007/s42770-023-00978-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 02/07/2023] [Indexed: 04/28/2023] Open
Abstract
Fungal sinusitis is a widespread infection that affects both healthy and immunocompromised individuals. Reports of sinus fungal infections have increased due to recent advances in diagnosis. Furthermore, susceptible and immune-compromised patients play an important role in increasing the number of reported cases. Infections with lesser-known fungi have been reported infrequently around the world. This paper describes a Cladosporium tenuissimum infection caused by chronic fungal sinusitis in a woman who had traveled to several countries. We used morphological and molecular methods to confirm the infection. The infection is most likely caused by the use of sulfasalazine, which is related to the patient's rheumatism. Sulfasalazine inhibits neutrophilic chemoattractant lipid synthesis in neutrophils, which play a key role in antifungal immunity. The patient is also undergoing root canal therapy and has several upper jaw implants, which may have contributed to the development of sinusitis.
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Affiliation(s)
- Abozar Nasiri-Jahrodi
- Department of Pathotabiology and Medical Laboratory Sciences, North Khorasan University of Medical Sciences, Bojnurd, Iran.
| | - Fatemeh-Maryam Sheikholeslami
- Department of Molecular Pathology, National Research Institute of Tuberculosis and Lung Disease, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Barati
- Department of Pathotabiology and Medical Laboratory Sciences, North Khorasan University of Medical Sciences, Bojnurd, Iran
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Gong Z, Jin L, Yu X, Wang B, Hu S, Ruan H, Sung YJ, Lee HG, Jin F. Biodegradation of Low Density Polyethylene by the Fungus Cladosporium sp. Recovered from a Landfill Site. J Fungi (Basel) 2023; 9:605. [PMID: 37367541 DOI: 10.3390/jof9060605] [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: 04/23/2023] [Revised: 05/15/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
Low density polyethylene (LDPE) has been widely used commercially for decades; however, as a non-degradable material, its continuous accumulation has contributed to serious environmental issues. A fungal strain, Cladosporium sp. CPEF-6 exhibiting a significant growth advantage on MSM-LDPE (minimal salt medium), was isolated and selected for biodegradation analysis. LDPE biodegradation was analyzed by weight loss percent, change in pH during fungal growth, environmental scanning electron microscopy (ESEM), and Fourier transformed infrared spectroscopy (FTIR). Inoculation with the strain Cladosporium sp. CPEF-6 resulted in a 0.30 ± 0.06% decrease in the weight of untreated LDPE (U-LDPE). After heat treatment (T-LDPE), the weight loss of LDPE increased significantly and reached 0.43 ± 0.01% after 30 days of culture. The pH of the medium was measured during LDPE degradation to assess the environmental changes caused by enzymes and organic acids secreted by the fungus. The fungal degradation of LDPE sheets was characterized by ESEM analysis of topographical alterations, such as cracks, pits, voids, and roughness. FTIR analysis of U-LDPE and T-LDPE revealed the appearance of novel functional groups associated with hydrocarbon biodegradation as well as changes in the polymer carbon chain, confirming the depolymerization of LDPE. This is the first report demonstrating the capacity of Cladosporium sp. to degrade LDPE, with the expectation that this finding can be used to ameliorate the negative impact of plastics on the environment.
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Affiliation(s)
- Zhu Gong
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Long Jin
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Xingye Yu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Baoteng Wang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Shuang Hu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Honghua Ruan
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
| | - Yun-Ju Sung
- Technology Transfer Centre, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Hyung-Gwan Lee
- Cell Factory Research Centre, Korea Research Institute of Bioscience & Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
| | - Fengjie Jin
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
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Liu J, Yu X, Wang Y, Han Y, Cao Y, Wang Z, Lyu J, Zhou Z, Yan Y, Zheng T. Dispersion characteristics of bioaerosols during treatment of rural solid waste in northwest China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 324:121338. [PMID: 36842620 DOI: 10.1016/j.envpol.2023.121338] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/07/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
In rural China, the release of bioaerosols containing pathogens from solid waste dumps poses a potential health risk to the local population. Here, we sampled bioaerosols from rural solid waste-treatment in four provinces of northwest China to investigate their emission and dispersion characteristics in order to provide a scientific basis for control and risk reduction of bioaerosols released from rural sanitation facilities. The airborne bioaerosol concentrations and particle size distributions were calculated using an Anderson six-stage airborne microbial sampler and counting with its internal Petri dish culture. High-throughput sequencing was used to characterize the microbial composition at different sampling sites and to explore possible influencing factors, while the health risk associated with exposure was estimated based on average daily dose-rate. The highest concentration point values of bacteria and fungi in bioaerosols near the solid waste were 63,617 ± 15,007 and 8044 ± 893 CFU/m³, respectively. Furthermore, the highest concentration point values of Enterobacteriaceae was 502 ± 35 CFU/m³. Most bioaerosols were coarse particles larger than 3.3 μm. Potentially pathogenic genera of winter-indicator species detected in the air were primarily Delftia, Rhodococcus and Aspergillus. The composition of solid waste and environmental conditions are important factors in determining the characteristics of bioaerosols. Local residents are exposed to bioaerosols mainly through inhalation. Children are at a particularly high risk of exposure through both inhalation and skin contact. The results of this study show that bioaerosols in the vicinity of rural solid waste dumps pose a health risk to the surrounding population. More suitable risk assessment criteria for rural areas should be established, and corresponding control and protection measures should be taken from three aspects: generation source and transmission pathway, as well as the recipient.
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Affiliation(s)
- Jianguo Liu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China.
| | - Xuezheng Yu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Ying Wang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Yunping Han
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Yingnan Cao
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China.
| | - Zixuan Wang
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Jinxin Lyu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Ziyu Zhou
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Ying Yan
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, Inner Mongolia, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Tianlong Zheng
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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Abdel-Nasser M, Abdel-Maksoud G, Eid AM, Hassan SED, Abdel-Nasser A, Alharbi M, Elkelish A, Fouda A. Antifungal Activity of Cell-Free Filtrate of Probiotic Bacteria Lactobacillus rhamnosus ATCC-7469 against Fungal Strains Isolated from a Historical Manuscript. Microorganisms 2023; 11:1104. [PMID: 37317078 DOI: 10.3390/microorganisms11051104] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/15/2023] [Accepted: 04/20/2023] [Indexed: 06/16/2023] Open
Abstract
Herein, twelve fungal strains were isolated from a deteriorated historical manuscript dated back to the 18th century. The obtained fungal strains were identified, using the traditional method and ITS sequence analysis, as Cladosporium herbarum (two strains), Aspergillus fumigatus (five strains), A. ustus (one strain), A. flavus (two strains), A. niger (one strain), and Penicillium chrysogenum (one strain). The ability of these fungal strains to degrade the main components of the paper was investigated by their activity to secrete extracellular enzymes including cellulase, amylase, gelatinase, and pectinase. The cell-free filtrate (CFF) ability of the probiotic bacterial strain Lactobacillus rhamnosus ATCC-7469 to inhibit fungal growth was investigated. The metabolic profile of CFF was detected by GC-MS analysis, which confirmed the low and high molecular weight of various active chemical compounds. The safe dose to be used for the biocontrol of fungal growth was selected by investigating the biocompatibility of CFF and two normal cell lines, Wi38 (normal lung tissue) and HFB4 (normal human skin melanocyte). Data showed that the CFF has a cytotoxic effect against the two normal cell lines at high concentrations, with IC50 values of 525.2 ± 9.8 and 329.1 ± 4.2 µg mL-1 for Wi38 and HFB4, respectively. The antifungal activity showed that the CFF has promising activity against all fungal strains in a concentration-dependent manner. The highest antifungal activity (100%) was recorded for a concentration of 300 µg mL-1 with a zone of inhibition (ZOI) in the ranges of 21.3 ± 0.6 to 17.7 ± 0.5 mm. At a concentration of 100 µg mL-1, the activity of CFF remained effective against all fungal strains (100%), but its effectiveness decreased to only inhibit the growth of eight strains (66%) out of the total at 50 µg mL-1. In general, probiotic bacterial strains containing CFF are safe and can be considered as a potential option for inhibiting the growth of various fungal strains. It is recommended that they be used in the preservation of degraded historical papers.
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Affiliation(s)
- Mahmoud Abdel-Nasser
- Department of Manuscripts Conservation, Al-Azhar Al-Sharif Library, Cairo 11511, Egypt
| | - Gomaa Abdel-Maksoud
- Conservation Department, Faculty of Archaeology, Cairo University, Giza 12613, Egypt
| | - Ahmed M Eid
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt
| | - Saad El-Din Hassan
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt
| | - Aya Abdel-Nasser
- Food Toxicology and Contaminants Department, National Research Centre, Giza 12622, Egypt
| | - Maha Alharbi
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Amr Elkelish
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Amr Fouda
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo 11884, Egypt
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Yadav S, Singh R, Verma SK, Singh G, Kushwaha P. Addition of three new lineages in Mycosphaerellaceae: Neoacervuloseptoria gen. nov., Neocercosporella gen. nov. and Neoramulariopsis gen. nov. Mycol Prog 2023. [DOI: 10.1007/s11557-023-01871-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Brady NG, O'Leary SL, Moormann GC, Singh MK, Watt J, Bachand GD. Mycosynthesis of Zinc Oxide Nanoparticles Exhibits Fungal Species Dependent Morphological Preference. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205799. [PMID: 36587980 DOI: 10.1002/smll.202205799] [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: 09/20/2022] [Revised: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Filamentous fungi can synthesize a variety of nanoparticles (NPs), a process referred to as mycosynthesis that requires little energy input, do not require the use of harsh chemicals, occurs at near neutral pH, and do not produce toxic byproducts. While NP synthesis involves reactions between metal ions and exudates produced by the fungi, the chemical and biochemical parameters underlying this process remain poorly understood. Here, the role of fungal species and precursor salt on the mycosynthesis of zinc oxide (ZnO) NPs is investigated. This data demonstrates that all five fungal species tested are able to produce ZnO structures that can be morphologically classified into i) well-defined NPs, ii) coalesced/dissolving NPs, and iii) micron-sized square plates. Further, species-dependent preferences for these morphologies are observed, suggesting potential differences in the profile or concentration of the biochemical constituents in their individual exudates. This data also demonstrates that mycosynthesis of ZnO NPs is independent of the anion species, with nitrate, sulfate, and chloride showing no effect on NP production. These results enhance the understanding of factors controlling the mycosynthesis of ceramic NPs, supporting future studies that can enable control over the physical and chemical properties of NPs formed through this "green" synthesis method.
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Affiliation(s)
- Nathan G Brady
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM, 87185, USA
| | - Shamus L O'Leary
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM, 87185, USA
| | - Garrett C Moormann
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM, 87185, USA
| | - Manish K Singh
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - John Watt
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - George D Bachand
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM, 87185, USA
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Sallam A, El-Metwally M, Sabry MA, Elsbaey M. Cladamide: a new ceramide from the endophytic fungus Cladosporium cladosporioides. Nat Prod Res 2023; 37:1082-1091. [PMID: 34622719 DOI: 10.1080/14786419.2021.1986709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A new ceramide, named cladamide (1), in addition to cinnamic acid (2), para-coumaric acid (3), stigmasterol-3-O-β-D-glucoside (4), and uracil (5), was isolated from the white beans culture of Cladosporium cladosporioides, a marine-derived endohpytic fungus isolated from the leaves of the mangrove, Avicennia marina (Forssk.) Vierh. Structure elucidation of compound 1 was established on the basis of extensive 1D and 2D NMR spectroscopic techniques in combination with HR-ESI-MS. The ability of the isolated compounds to inhibit acetylcholine esterase was evaluated. Compound 3 showed the highest acetylcholine esterase inhibitory activity (IC50 = 0.057 ± 0.003 µM), followed by compound 4 (IC50 = 0.068 ± 0.003 µM) and compound 1 (IC50 = 0.099 ± 0.005 µM) compared to donepezil, the positive control, (IC50 = 0.044 ± 0.002 µM). Compounds 2 and 5 showed lower activity (IC50 = 0.182 ± 0.009 and 0.236 ± 0.012 µM, respectively). The results were further validated by molecular docking study.
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Affiliation(s)
- Amal Sallam
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mohamed El-Metwally
- Division of Marine Environment, National Institute of Oceanography and Fisheries, Hurgada, Egypt
| | - Mohamed A Sabry
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Marwa Elsbaey
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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Malafatti-Picca L, Bucioli EC, de Barros Chaves MR, de Castro AM, Valoni É, de Oliveira VM, Marsaioli AJ, Govone JS, de Franceschi de Angelis D, Brienzo M, Attili-Angelis D. Fungal Screening for Potential PET Depolymerization. Polymers (Basel) 2023; 15:polym15061581. [PMID: 36987362 PMCID: PMC10053415 DOI: 10.3390/polym15061581] [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: 12/21/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 03/30/2023] Open
Abstract
Approximately 400 billion PET bottles are produced annually in the world, of which from 8 to 9 million tons are discarded in oceans. This requires developing strategies to urgently recycle them. PET recycling can be carried out using the microbial hydrolysis of polymers when monomers and oligomers are released. Exploring the metabolic activity of fungi is an environmentally friendly way to treat harmful polymeric waste and obtain the production of monomers. The present study addressed: (i) the investigation of potential of strains with the potential for the depolymerization of PET bottles from different manufacturers (crystallinity of 35.5 and 10.4%); (ii) the search for a culture medium that favors the depolymerization process; and (iii) gaining more knowledge on fungal enzymes that can be applied to PET recycling. Four strains (from 100 fungal strains) were found as promising for conversion into terephthalic acid from PET nanoparticles (npPET): Curvularia trifolii CBMAI 2111, Trichoderma sp. CBMAI 2071, Trichoderma atroviride CBMAI 2073, and Cladosporium cladosporioides CBMAI 2075. The fermentation assays in the presence of PET led to the release of terephthalic acid in concentrations above 12 ppm. Biodegradation was also confirmed using mass variation analyses (reducing mass), scanning electron microscopy (SEM) that showed evidence of material roughness, FTIR analysis that showed band modification, enzymatic activities detected for lipase, and esterase and cutinase, confirmed by monomers/oligomers quantification using high performance liquid chromatography (HPLC-UV). Based on the microbial strains PET depolymerization, the results are promising for the exploration of the selected microbial strain.
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Affiliation(s)
- Lusiane Malafatti-Picca
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
| | - Elaine Cristina Bucioli
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
| | - Michel Ricardo de Barros Chaves
- Coordination of Natural Sciences, Federal University of Maranhão (UFMA), Av. João Alberto, 700, Bacabal 65700-000, MA, Brazil
| | - Aline Machado de Castro
- Department of Biotechnology, R&D Center, PETROBRAS, Av. Horácio Macedo, 950, Ilha do Fundão, Rio de Janeiro 21941-915, RJ, Brazil
| | - Érika Valoni
- Department of Biotechnology, R&D Center, PETROBRAS, Av. Horácio Macedo, 950, Ilha do Fundão, Rio de Janeiro 21941-915, RJ, Brazil
| | - Valéria Maia de Oliveira
- Division of Microbial Resources, CPQBA, State University of Campinas (Unicamp), Rua Alexandre Cazellato, 999, Paulínia 13148-218, SP, Brazil
| | - Anita Jocelyne Marsaioli
- Institute of Chemistry, State University of Campinas (Unicamp), P.O. Box 6154, Campinas 13084-971, SP, Brazil
| | - José Silvio Govone
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
| | - Dejanira de Franceschi de Angelis
- Department of Biochemistry and Microbiology, São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
| | - Michel Brienzo
- Institute For Research in Bioenergy (IPBEN), São Paulo State University (UNESP), R. 10, 2527, Santana, Rio Claro 13500-230, SP, Brazil
| | - Derlene Attili-Angelis
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
- Division of Microbial Resources, CPQBA, State University of Campinas (Unicamp), Rua Alexandre Cazellato, 999, Paulínia 13148-218, SP, Brazil
- Department of Biochemistry and Microbiology, São Paulo State University (UNESP), Av. 24-A, 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil
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Hu Y, Wu W. Application of Membrane Filtration to Cold Sterilization of Drinks and Establishment of Aseptic Workshop. FOOD AND ENVIRONMENTAL VIROLOGY 2023:10.1007/s12560-023-09551-6. [PMID: 36933166 PMCID: PMC10024305 DOI: 10.1007/s12560-023-09551-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/27/2023] [Indexed: 06/01/2023]
Abstract
Aseptic packaging of high quality beverage is necessary and its cold-pasteurization or sterilization is vital. Studies on application of ultrafiltration or microfiltration membrane to cold- pasteurization or sterilization for the aseptic packaging of beverages have been reviewed. Designing and manufacturing ultrafiltration or microfiltration membrane systems for cold-pasteurization or sterilization of beverage are based on the understanding of size of microorganisms and theoretical achievement of filtration. It is concluded that adaptability of membrane filtration, especially its combination with other safe cold method, to cold- pasteurization and sterilization for the aseptic packaging of beverages should be assured without a shadow of doubt in future.
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Affiliation(s)
- Yunhao Hu
- College of Food Science, Southwest University, No.2 Tian Shengqiao, Beibei, Chongqing, People's Republic of China
| | - Wenbiao Wu
- College of Food Science, Southwest University, No.2 Tian Shengqiao, Beibei, Chongqing, People's Republic of China.
- Research Center of Grains, Oils and Foods Engineering Design, Industrial Research Institute, Southwest University, No.2 Tian Shengqiao, Beibei, Chongqing, People's Republic of China.
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Marketed Quinoa (Chenopodium quinoa Willd.) Seeds: A Mycotoxin-Free Matrix Contaminated by Mycotoxigenic Fungi. Pathogens 2023; 12:pathogens12030418. [PMID: 36986340 PMCID: PMC10057975 DOI: 10.3390/pathogens12030418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/03/2023] [Accepted: 03/04/2023] [Indexed: 03/09/2023] Open
Abstract
A total of 25 marketed quinoa seed samples different for origin, farming system and packaging were analyzed for the presence of mycotoxigenic fungi (by isolation both on Potato Dextrose Agar and with the deep-freezing blotter method) and relative contamination by mycotoxins (by LC-MS/MS analysis). Fungal microorganisms, but not mycotoxins, were detected in all the samples, and 25 isolates representative of the mycobiota were obtained. Morphological and molecular characterization and, for some isolates, the in vitro mycotoxigenic profile, allowed the identification of 19 fungal species within five different genera: Alternaria, Aspergillus, Penicillium, Cladosporium and Fusarium. Among the identified species, Alternaria abundans, A. chartarum, A. arborescens, Cladosporium allicinum, C. parasubtilissimum, C. pseudocladosporioides, C. uwebraunianum, Aspergillus jensenii, A. tubingensis, Penicillium dipodomyis, P. verrucosum and P. citreosulfuratum were first reported on quinoa, and Alternaria infectoria and Fusarium oxysporum were first reported on quinoa seeds. The geographical origin, farming system and packaging were showed to affect the amount and type of the isolated fungal species, highlighting that the level of fungal presence and their related secondary metabolites is conditioned by different steps of the quinoa supply chain. However, despite the presence of mycotoxigenic fungi, the marketed quinoa seeds analyzed resulted in being free from mycotoxins.
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Ren H, Yang G, Qing-Kang F, He S, Huang Q. First Report of Cladosporium tenuissimum causing Postharvest rot of Elaeagnus conferta Fruit in Kunming, China. PLANT DISEASE 2023; 107:2880. [PMID: 36856643 DOI: 10.1094/pdis-11-22-2537-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Elaeagnus conferta Roxb. is a perennial evergreen climbing shrub and is mainly native to India, Vietnam, Malaysia, and South China (Gupta & Singh, 2021). Various parts of this plant are used to treat multiple diseases(Gupta et al., 2021). Between during the months of March and April of 2021, in Kunming city of grower fields, Yunnan Province (N 25°02'; E 102°42'), southwest China. Some postharvest E. conferta fruits showed brown spots of decay with a greyish mycelium, which symptom only appears on fruit, and did not find it on this plant. The incidence of this disease in postharvest E. conferta fruits ranges from 45 % to 65 % in natural conditions. This pathogen is harmful and causes many plant diseases. Such as rice, oriental persimmon, pear, panicles of mango, and so on (Cho & Shin, 2004; Guillén-Sánchez et al., 2007; Lee et al., 2009). The infected fruit samples surface was disinfected with 75 % ethanol and 0.3 % NaClO for 30 s and 2 min respectively, then aseptic water washing three times. The fruit tissue is rich in carbohydrates and water content, which aid the growth of fungal species. Putting these diseased tissues on a potato dextrose agar (PDA) medium, cultured at 25 ± 1 ℃ for 7 days. The colonies grow on the PDA medium, then separated and puried again. Three pure cultures (YNGH01, YNGH03, YNGH05) were obtained, which were stored in 15 % glycerol at -80 ℃ refrigerator in the State Key Laboratory for Conservation and Utilization of Bio-Resources, Yunnan Agricultural University. After 7 days of cultivation, the colonies were round and the diameter attained up to 38 mm, the surface of the colony showed tiled, fluffy, with a velvet-like texture, greyish-green to smoke-gray, slightly raised in the middle, the edges were radial hollow and wrinkle (Fig. 1A). Conidiophores were solitary, erect, unbranched or rarely branched, slightly flexuous at the apex, septate, dark brown, 254 to 680 µm long, 3.6 to 4.5 µm wide, top of the conidiophores or the rostral were slightly swollen (Fig. 1B). Conidia were light gray or grey, solitary or bispora, irregular in shape and size (Fig. 1C), nearly circular (3.21 × 3.31 µm), oval to lemon-shaped (6.59 × 3.21 µm) or elliptical (8.35 × 4.65 µm). The CTAB method extracts 3 isolates (YNGH01, YNGH03, YNGH05) genomic DNA (Aboul-Maaty & Oraby, 2019). To confirm identity with molecular identification, performed by three different genomic DNA regions, fragments of internal transcribed spacer (ITS), partial translation elongation factor-1 alpha (TEF-1α), and actin (ACT) genomic regions. These genomic DNA were amplified with primers ITS1/4, EF1-728F/986R, and ACT-512F/783R, respectively (Carbone & Kohn, 1999). The sequences of these isolates were uploaded to GenBank (YNGH01: ON753810, ON868696, ON912090 YNGH03: ON753812, ON868698, ON912092, and YNGH05: ON753814, ON868700, ON912094). NCBI's BLASTn search of those ITS sequences showed 99.81% similar to C. tenuissimum (MG873077.1), and sequences TEF-1α and ACT were 100% identical to several isolates of C. tenuissimum (OM256526.1 and MT154171.1). Combined the ITS region, TEF-1α, and actin (ACT) genomic regions of isolates YNGH01, YNGH03 and YNGH05 to construct a phylogenetic tree with MEGA11. Maximum likelihood phylogenetic analyses further confirmed the results (Fig. 2)(Santos et al., 2020). Healthy and mature E. conferta fruits were used for pathogenicity test. Pathogens were washed with sterilized water at a final concentration of 2× 106 spores/mL (Jo et al., 2018). The test was divided into A and B groups (A: The surface of fruits was pierced with a sterilized needle that carried pathogenic fungus of final concentration at 2×106 spores/mL B: Sprayed at the concentration of 2×106 spores/mL on fruits). The control fruits were treated with sterilized water and stored at 25 ± 1 ℃ with a relative humidity of 80 %, average group with 10 fruits in this test, which was repeated three times. After 7 days, the fruits of group A were initially sesame seed size of the disease spots, nearly round, irregular, with grayish-brown spots, and slightly depressed. Later, the lesion gradually turns dark brown (Fig. 1D). And group B began with small patches of brown fungal growth on the pericarp, with the development of the disease, the necrotic spots enlarged and developed irregular and coalesced, the color of spots became gray or black gradually (Fig. 1E). The symptoms were similar to previously observed and the pathogen was reisolated and identified as C. tenuissimum. Control fruits were healthy (Fig. 1F). The pathogens test fulfilled Koch's postulates. According to morphology (Bensch et al., 2012), rDNA-ITS, TEF-1α, and ACT sequence analysis, phylogenetic analysis, and pathogenicity test, the pathogen was identified as C. tenuissimum. To our knowledge, this is the first report of C. tenuissimum occurring on E. conferta fruits in China.
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Affiliation(s)
- Huan Ren
- Yunnan Agricultural University, 12616, State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Fengyuan Road, Kunming,, China, 650201;
| | - Gao Yang
- Yunnan Agricultural University, 12616, State Key Laboratory for Conservation and Utilization of Bio-Resources,college of Plant Protection, Yunnan Agricultural University, Kunming, Yunnan, China, 650000;
| | | | | | - Qiong Huang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural UniversityKunming, China, 650201;
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Tungsanga S, Puapatanakul P, Banjongjit A, Vanichanan J, Tungsanga K, Kanjanabuch T. Intractable ascites in a female receiving hemodialysis. Med Mycol Case Rep 2023. [DOI: 10.1016/j.mmcr.2023.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
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Yang Y, Luo W, Zhang W, Mridha MAU, Wijesinghe SN, McKenzie EHC, Wang Y. Cladosporium Species Associated with Fruit Trees in Guizhou Province, China. J Fungi (Basel) 2023; 9:jof9020250. [PMID: 36836364 PMCID: PMC9962058 DOI: 10.3390/jof9020250] [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: 01/11/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/16/2023] Open
Abstract
During an investigation of fungal diversity on fruit trees in Guizhou Province, 23 Cladosporium strains were isolated from various locations in Guizhou Province. Culture characteristics, morphology and molecular phylogenetic analysis of three genetic markers, namely, the internal transcribed spacer regions (ITS) of the rDNA, partial fragments of actin (act), and the translation elongation factor 1-α (tef1-ɑ) loci were used to characterize these isolates. Seven new Cladosporium species and new host records for five other species were introduced, with detailed descriptions and illustrations. This study showed that there is a rich diversity of Cladosporium spp. in fruit trees in Guizhou Province.
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Affiliation(s)
- Yuanqiao Yang
- Department of Plant Pathology, Agriculture College, Guizhou University, Guiyang 550025, China
| | - Wenmei Luo
- Department of Plant Pathology, Agriculture College, Guizhou University, Guiyang 550025, China
| | - Wensong Zhang
- Department of Plant Pathology, Agriculture College, Guizhou University, Guiyang 550025, China
| | | | | | | | - Yong Wang
- Department of Plant Pathology, Agriculture College, Guizhou University, Guiyang 550025, China
- Correspondence: or
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Grassi A, Gambini M, Pantoli M, Toscano S, Albertetti A, Del Frassino DM, Ugochukwu ICI, Romeo O, Otranto D, Cafarchia C. A Lethal Case of Disseminated Cladosporium allicinum Infection in a Captive African Bullfrog. J Fungi (Basel) 2023; 9:jof9020191. [PMID: 36836306 PMCID: PMC9967566 DOI: 10.3390/jof9020191] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 01/26/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Cladosporium infections have a poor prognosis in animals, most likely due to a lack of knowledge about diagnosis and treatment. In this study, we described a case of a lethal Cladosporium allicinum infection in a captive bullfrog (Pyxicephalus adspersus) in Europe. One adult male bullfrog was referred with clinical signs of lethargy and a cutaneous nodule. Fungal infection was suspected on cytology and confirmed by histology and cultural isolation. The mold was identified by molecular methods using partial sequencing of the TEF1α gene and the ITS region of rDNA. Climbazole antifungal treatment was started but the frog died after 30 days, and necropsy was done. Pigmented hyphae and structures consistent with muriform bodies were found on a background of diffuse granulomatous inflammation at cytological and histopathological examinations. Fungal culture revealed the presence of pigmented fungi identified as Cladosporium allicinum only by partial sequencing of the TEF1α gene. A focally extensive granuloma with intralesional hyphae and muriform bodies effacing the architecture of head, liver, kidneys, lungs, and large intestine were retrieved after necropsy. This study is the first Italian report of the occurrence of lethal C. allicinum infection in a frog and highlights the role of this Cladosporium sp. in chromoblastomycosis.
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Affiliation(s)
- Andrea Grassi
- I-Vet Diagnostica Veterinaria, 25020 Brescia, Italy
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna, 27100 Pavia, Italy
| | | | | | | | | | | | - Iniobong Chukwuebuka Ikenna Ugochukwu
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, 70124 Bari, Italy
- Department of Veterinary Pathology and Microbiology, University of Nigeria, Nsukka 400001, Nigeria
| | - Orazio Romeo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy
| | - Domenico Otranto
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, 70124 Bari, Italy
- Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan 6517833131, Iran
| | - Claudia Cafarchia
- Dipartimento di Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, 70124 Bari, Italy
- Correspondence:
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Rojas-Gätjens D, Avey-Arroyo J, Chaverri P, Rojas-Jimenez K, Chavarría M. Differences in fungal communities in the fur of two- and three-toed sloths revealed by ITS metabarcoding. MICROBIOLOGY (READING, ENGLAND) 2023; 169. [PMID: 36848210 DOI: 10.1099/mic.0.001309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Sloths have dense fur on which insects, algae, bacteria and fungi coexist. Previous studies using cultivation-dependent methods and 18S rRNA sequencing revealed that the fungal communities in their furs comprise members of the phyla Ascomycota and Basidiomycota. In this note, we increase the resolution and knowledge of the mycobiome inhabiting the fur of the two- (Choloepus hoffmanni) and three-toed (Bradypus variegatus) sloths. Targeted amplicon metagenomic analysis of ITS2 nrDNA sequences obtained from 10 individuals of each species inhabiting the same site revealed significant differences in the structure of their fungal communities and also in the alpha-diversity estimators. The results suggest a specialization by host species and that the host effect is stronger than that of sex, age and animal weight. Capnodiales were the dominant order in sloths' fur and Cladosporium and Neodevriesia were the most abundant genera in Bradypus and Choloepus, respectively. The fungal communities suggest that the green algae that inhabit the fur of sloths possibly live lichenized with Ascomycota fungal species. The data shown in this note offer a more detailed view of the fungal content in the fur of these extraordinary animals and could help explain other mutualistic relationships in this complex ecosystem.
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Affiliation(s)
- Diego Rojas-Gätjens
- Centro Nacional de Innovaciones Biotecnológicas (CENIBiot), CeNAT-CONARE, 1174-1200, San José, Costa Rica
| | | | - Priscila Chaverri
- Escuela de Biología, Universidad de Costa Rica, 11501-2060, San José, Costa Rica.,Centro de Investigaciones en Productos Naturales (CIPRONA), Universidad de Costa Rica, 11501-2060, San José, Costa Rica
| | - Keilor Rojas-Jimenez
- Escuela de Biología, Universidad de Costa Rica, 11501-2060, San José, Costa Rica
| | - Max Chavarría
- Centro Nacional de Innovaciones Biotecnológicas (CENIBiot), CeNAT-CONARE, 1174-1200, San José, Costa Rica.,Centro de Investigaciones en Productos Naturales (CIPRONA), Universidad de Costa Rica, 11501-2060, San José, Costa Rica.,Escuela de Química, Universidad de Costa Rica, 11501-2060, San José, Costa Rica
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da Silva Gaspar S, Assis LLRD, Prado MPRD, Pedroso Miguel MG, Magno dos Reis Ferreira G, Schwan RF, Pasqual M, Rigobelo EC, Castro RP, Buttrós VH, Dória J. Diversity and enzymatic activity of the microbiota isolated from compost based on restaurant waste and yard trimmings. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2023. [DOI: 10.3389/fsufs.2023.1013361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
IntroductionThe bad management of organic waste negatively affects environmental quality and composting has been a viable recycling alternative. Microorganisms are responsible for waste degradation during the composting process and, consequently, for transforming this waste into natural fertilizer. This work aimed to analyze and identify the biodiversity of yeasts and filamentous fungi throughout a composting process based on organic residues under different treatments (commercial inoculum, non-commercial inoculum, and control treatment) and to investigate the enzymatic activity of these microorganisms.MethodsMicroorganisms were isolated and identified from samples at 0, 5, 10, 20, 40, 60, and 120 days. Filamentous fungi were identified according to their macroscopic and microscopic characteristics, and yeasts were identified by sequencing the 18S rDNA region. All identified strains were evaluated for ligninolytic, cellulolytic, hemicellulolytic, amylolytic, pectinolytic, proteolytic, lipolytic, and ammonification. During the composting phases, the filamentous fungi were higher than the yeast population.Results and discussionAt the beginning of the process, a higher species diversity was observed, and the population of yeasts and filamentous fungi was, on average, 6.50 log CFU g−1. The microbial communities were similar throughout the process in the two inoculated treatments, which showed more significant microbial activity, diversity, and efficiency in the transformation of organic matter, and consequently, advantages in terms of the final product quality compared to the control treatment. The yeasts Pichia kudriavzevii, Pichia farinosa, Issatchenkia orientalis, and the filamentous fungi of the genus Aspergillus spp. proved to have high biotechnological value and could be used as starter cultures to accelerate the composting process.
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Cho SE, Oh JY, Lee DH. The complete mitochondrial genome of Cladosporium anthropophilum (cladosporiaceae, dothideomycetes). Mitochondrial DNA B Resour 2023; 8:164-166. [PMID: 36713294 PMCID: PMC9879183 DOI: 10.1080/23802359.2023.2167474] [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] [Indexed: 01/26/2023] Open
Abstract
The genus Cladosporium (Cladosporiaceae, Capnodiales) is a large genus of Ascomycota. Although the genus is mostly reported as saprobes from a wide range of substrates with a worldwide distribution, members of this genus comprise infectious agents in animals and plants. Of those, Cladosporium anthropophilum is a common saprophytic fungus and has been found to be a human opportunistic pathogen and plant pathogen. The complete mitochondrial genome of C. anthropophilum is characterized through the de novo assembly of Illumina sequencing data. The mitochondrial genome is a circular molecule of 35,937 bp with 30.23% GC content and has a total of 47 genes including 16 protein-coding genes, 29 transfer RNA genes, and two ribosomal RNA genes. Based on protein-coding sequences of the mitochondrial genome sequence, a phylogenetic tree was constructed to demonstrate the phylogenetic relationship of C. anthropophilum and its related genera.
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Affiliation(s)
- Sung-Eun Cho
- Forest Biodiversity Division, Korea National Arboretum, Pocheon, South Korea
| | - Ji Yeon Oh
- Division of Forest Insect Pests and Diseases, National Institute of Forest Science, Seoul, South Korea
| | - Dong-Hyeon Lee
- Division of Forest Insect Pests and Diseases, National Institute of Forest Science, Seoul, South Korea,CONTACT Dong-Hyeon Lee Division of Forest Insect Pests and Diseases, National Institute of Forest Science, Seoul, 02455, South Korea
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