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Zhang A, Li L, Xie X, Chai A, Shi Y, Xing D, Yu Z, Li B. Identification and Genetic Diversity Analysis of the Pathogen of Anthracnose of Pepper in Guizhou. PLANTS (BASEL, SWITZERLAND) 2024; 13:728. [PMID: 38475575 DOI: 10.3390/plants13050728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/23/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024]
Abstract
Anthracnose of pepper is a significant disease caused by Colletotrichum spp. In 2017 and 2021, 296 isolates were obtained from 69 disease samples. Through morphological analysis, pathogenicity detection, and polygenic phylogenetic analysis, the above strains were attributed to 10 species: C. scovillei, C. fructicola, C. karstii, C. truncatum, C. gloeosporioides, C. kahawae, C. boninense, C. nymphaeae, C. plurivorum, and C. nigrum. C. scovillei had the most strains (150), accounting for 51.02% of the total isolates; C. fructicola came in second (72 isolates), accounting for 24.49%. Regarding regional distribution, Zunyi City has the highest concentration of strains-92 strains total, or 34.18%-across seven species. Notably, this investigation showed that C. nymphaeae infected pepper fruit for the first time in China. Genetic diversity analysis showed that C. fructicola could be divided into seven haplotypes, and the population in each region had apparent genetic differentiation. However, the genetic distance between each population was not significantly related to geographical distance. Neutral detection and nucleotide mismatch analysis showed that C. fructicola might have undergone population expansion.
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Affiliation(s)
- Aimin Zhang
- Plant Protection College, Shenyang Agricultural University, Shenyang 110866, China
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Institute of Pepper, Guizhou Academy of Agriculture Science, Guiyang 550025, China
| | - Lei Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xuewen Xie
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Ali Chai
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yanxia Shi
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Dan Xing
- Institute of Pepper, Guizhou Academy of Agriculture Science, Guiyang 550025, China
| | - Zhiguo Yu
- Plant Protection College, Shenyang Agricultural University, Shenyang 110866, China
| | - Baoju Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Zhang M, Li D, Si Y, Ju Y, Zhu L. Colletotrichum Species Associated with Anthracnose in Salix babylonica in China. PLANTS (BASEL, SWITZERLAND) 2023; 12:1679. [PMID: 37111900 PMCID: PMC10145283 DOI: 10.3390/plants12081679] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 06/19/2023]
Abstract
Salix babylonica L. is a popular ornamental tree species in China and widely cultivated in Asia, Europe, and North America. Anthracnose in S. babylonica poses a serious threat to its growth and reduces its medicinal properties. In 2021, a total of 55 Colletotrichum isolates were isolated from symptomatic leaves in three provinces in China. Phylogenetic analyses using six loci (ITS, ACT, CHS-1, TUB2, CAL, and GAPDH) and a morphological characterization of the 55 isolates showed that they belonged to four species of Colletotrichum, including C. aenigma, C. fructicola, C. gloeosporioides s.s., and C. siamense. Among them, C. siamense was the dominant species, and C. gloeosporioides s.s. was occasionally discovered from the host tissues. Pathogenicity tests revealed that all the isolates of the aforementioned species were pathogenic to the host, and there were significant differences in pathogenicity or virulence among these isolates. The information on the diversity of Colletotrichum spp. that causes S. babylonica anthracnose in China is new.
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Affiliation(s)
- Mengyu Zhang
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China; (M.Z.); (Y.S.); (Y.J.)
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing 210037, China
| | - Dewei Li
- The Connecticut Agricultural Experiment Station Valley Laboratory, Windsor, CT 06095, USA
| | - Yuanzhi Si
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China; (M.Z.); (Y.S.); (Y.J.)
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing 210037, China
| | - Yue Ju
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China; (M.Z.); (Y.S.); (Y.J.)
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing 210037, China
| | - Lihua Zhu
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China; (M.Z.); (Y.S.); (Y.J.)
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing 210037, China
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Guilengue N, Silva MDC, Talhinhas P, Neves-Martins J, Loureiro A. Subcuticular−Intracellular Hemibiotrophy of Colletotrichum lupini in Lupinus mutabilis. PLANTS (BASEL, SWITZERLAND) 2022; 11:3028. [PMID: 36432755 PMCID: PMC9696939 DOI: 10.3390/plants11223028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 10/31/2022] [Accepted: 11/04/2022] [Indexed: 06/16/2023]
Abstract
Anthracnose caused by Colletotrichum lupini is the most important disease affecting lupin cultivation worldwide. Lupinus mutabilis has been widely studied due to its high protein and oil content. However, it has proved to be sensitive to anthracnose, which limits the expansion of its cultivation. In this work, we seek to unveil the strategy that is used by C. lupini to infect and colonize L. mutabilis tissues using light and transmission electron microscopy (TEM). On petioles, pathogen penetration occurred from melanized appressoria, subcuticular intramural hyphae were seen 2 days after inoculation (dai), and the adjacent host cells remained intact. The switch to necrotrophy was observed 3 dai. At this time, the hyphae extended their colonization to the epidermal, cortex, and vascular cells. Wall degradation was more evident in the epidermal cells. TEM observations also revealed a loss of plasma membrane integrity and different levels of cytoplasm disorganization in the infected epidermal cells and in those of the first layers of the cortex. The disintegration of organelles occurred and was particularly visible in the chloroplasts. The necrotrophic phase culminated with the development of acervuli 6 dai. C. lupini used the same infection strategy on stems, but there was a delay in the penetration of host tissues and the appearance of the first symptoms.
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Affiliation(s)
- Norberto Guilengue
- Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
- Agricultural Faculty, Agricultural Engineering Course, Instituto Superior Politécnico de Gaza, Lionde, Chókwè 1204, Mozambique
| | - Maria do Céu Silva
- CIFC, Centro de Investigação das Ferrugens do Cafeeiro, Instituto Superior de Agronomia, Universidade de Lisboa, Pólo de Oeiras, 2784-505 Oeiras, Portugal
- LEAF, Linking Landscape, Environment, Agriculture and Food, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
| | - Pedro Talhinhas
- LEAF, Linking Landscape, Environment, Agriculture and Food, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
| | - João Neves-Martins
- Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
| | - Andreia Loureiro
- LEAF, Linking Landscape, Environment, Agriculture and Food, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal
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Characterization of Colletotrichum Isolates from Strawberry and Other Hosts with Reference to Cross-Inoculation Potential. PLANTS 2022; 11:plants11182373. [PMID: 36145774 PMCID: PMC9500779 DOI: 10.3390/plants11182373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022]
Abstract
Colletotrichum is an important phytopathogenic fungus that causes anthracnose disease in diverse agronomically important tropical food crops. Accurate pathogen identification is critical for early diagnosis and efficient management of anthracnose. ITS is not a reliable marker for this fungal genus due to its failure to phylogenetically resolve cryptic species. In this study, 36 Colletotrichum isolates belonging to the Acutatum, Boninense and Gloeosporioides species complexes were characterized using multigene phylogenetic analyses, morphology and pathogenicity assays. Additionally, the cross-inoculation potential of a representative subset of isolates was evaluated revealing that cross-infection potential is possible among the isolates belonging to the same species complex.
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Kennedy AH, Schoch CL, Marrero G, Brover V, Robbertse B. Publicly Available and Validated DNA Reference Sequences Are Critical to Fungal Identification and Global Plant Protection Efforts: A Use-Case in Colletotrichum. PLANT DISEASE 2022; 106:1573-1596. [PMID: 35538602 PMCID: PMC9196201 DOI: 10.1094/pdis-09-21-2083-sr] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Publicly available and validated DNA reference sequences useful for phylogeny estimation and identification of fungal pathogens are an increasingly important resource in the efforts of plant protection organizations to facilitate safe international trade of agricultural commodities. Colletotrichum species are among the most frequently encountered and regulated plant pathogens at U.S. ports-of-entry. The RefSeq Targeted Loci (RTL) project at NCBI (BioProject no. PRJNA177353) contains a database of curated fungal internal transcribed spacer (ITS) sequences that interact extensively with NCBI Taxonomy, resulting in verified name-strain-sequence type associations for >12,000 species. We present a publicly available dataset of verified and curated name-type strain-sequence associations for all available Colletotrichum species. This includes an updated GenBank Taxonomy for 238 species associated with up to 11 protein coding loci and an updated RTL ITS dataset for 226 species. We demonstrate that several marker loci are well suited for phylogenetic inference and identification. We improve understanding of phylogenetic relationships among verified species, verify or improve phylogenetic circumscriptions of 14 species complexes, and reveal that determining relationships among these major clades will require additional data. We present detailed comparisons between phylogenetic and similarity-based approaches to species identification, revealing complex patterns among single marker loci that often lead to misidentification when based on single-locus similarity approaches. We also demonstrate that species-level identification is elusive for a subset of samples regardless of analytical approach, which may be explained by novel species diversity in our dataset and incomplete lineage sorting and lack of accumulated synapomorphies at these loci.
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Affiliation(s)
- Aaron H. Kennedy
- National Identification Services, Plant Protection and Quarantine, Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Beltsville, MD 20705
| | - Conrad L. Schoch
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894
| | - Glorimar Marrero
- National Identification Services, Plant Protection and Quarantine, Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Beltsville, MD 20705
| | - Vyacheslav Brover
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894
| | - Barbara Robbertse
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894
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Colletotrichum litangense sp. nov., Isolated as an Endophyte of Hippuris vulgaris, an Aquatic Plant in Sichuan, China. Curr Microbiol 2022; 79:161. [PMID: 35416528 DOI: 10.1007/s00284-022-02846-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 03/16/2022] [Indexed: 11/03/2022]
Abstract
An unknown endophytic fungus was isolated from the aquatic plant Hippuris vulgaris in Litang county, Sichuan province, China. Phylogenetic analyses inferred from combined ITS, Sod2, Apn2, and TUB2 sequences revealed that the endophyte is a new species belonging to the Colletotrichum graminicola species complex. Morphological characteristics showed that Colletotrichum litangense is characterized by its falcate, lunate to sublunate conidia, and ellipsoidal, ovoid, or lobed appressoria. Pathogenicity tests on several fruits showed that C. litangense could induce anthracnose lesions. As a result of the phylogenetic, morphological, and pathogenicity analyses, we proposed the name Colletotrichum litangense for the new species.
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Alizadeh A, Javan-Nikkhah M, Nourmohammadi Nazarian R, Liu F, Zare R, Fotouhifar KB, Stukenbrock EH, Damm U. New species of Colletotrichum from wild Poaceae and Cyperaceae plants in Iran. Mycologia 2022; 114:89-113. [PMID: 35138985 DOI: 10.1080/00275514.2021.2008765] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Twenty-two Colletotrichum strains were isolated from anthracnose symptoms or leaf spots on leaves of various wild Poaceae and Cyperaceae plants collected in three provinces of Iran and tentatively identified as belonging to the Graminicola species complex based on morphology. All strains were studied via a polyphasic approach combining colony characteristics, morphology and phylogeny inferred from multi-locus sequences, including the nuc rDNA ITS1-5.8S-ITS2 (ITS), partial sequences of the β-tubulin (tub2), actin (act), manganese superoxide dismutase 2 (sod2), DNA lyase 2 (apn2) genes, a 200-bp intron of the glyceraldehyde-3-phosphate dehydrogenase (gapdh), and the intergenic spacer between the apn2 gene and the mat1 idiomorph (apn2/mat1). Six species were distinguished, including three new species, namely C. caspicum, C. persicum, and C. sacchari, and three previously described species, C. cereale, C. nicholsonii and C. sublineola. Comprehensive morphological descriptions and illustrations are provided for all species. Furthermore, this study provided new insights into the distribution and host range of known species.
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Affiliation(s)
- A Alizadeh
- Department of Plant Protection, Azarbaijan Shahid Madani University, Tabriz 5375171379, Iran
| | - M Javan-Nikkhah
- Department of Plant Protection, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran
| | | | - F Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, No. 3 1st Beichen West Road, Chaoyang District, 100101, Beijing, China
| | - R Zare
- Department of Botany, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), P.O. Box 19395-1454, Tehran, Iran
| | - K B Fotouhifar
- Department of Plant Protection, Faculty of Agricultural Science and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran
| | - E H Stukenbrock
- Environmental Genomics, Botanical Institute, Christian-Albrechts University of Kiel, Germany and Max Planck Institute for Evolutionary Biology, Plön, Germany
| | - U Damm
- Department of Botany, Senckenberg Museum of Natural History Görlitz, PF 300 154, 02806 Görlitz, Germany
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Zheng H, Yu Z, Jiang X, Fang L, Qiao M. Endophytic Colletotrichum Species from Aquatic Plants in Southwest China. J Fungi (Basel) 2022; 8:87. [PMID: 35050027 PMCID: PMC8779291 DOI: 10.3390/jof8010087] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 01/19/2023] Open
Abstract
Colletotrichum species are plant pathogens, saprobes, and endophytes in many economically important hosts. Many studies have investigated the diversity and pathogenicity of Colletotrichum species in common ornamentals, fruits, and vegetables. However, Colletotrichum species occurring in aquatic plants are not well known. During the investigation of the diversity of endophytic fungi in aquatic plants in southwest China, 66 Colletotrichum isolates were obtained from aquatic plants there, and 26 of them were selected for sequencing and analyses of actin (ACT), chitin synthase (CHS-1), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), the internal transcribed spacer (ITS) region, and β-tubulin (TUB2) genomic regions. Based on morphological characterization and multi-locus phylogenetic analyses, 13 Colletotrichum species were recognized, namely, C. baiyuense sp. nov., C. casaense sp. nov., C. demersi sp. nov., C. dianense sp. nov., C. fructicola, C. garzense sp. nov., C. jiangxiense, C. karstii, C. philoxeroidis sp. nov., C. spicati sp. nov., C. tengchongense sp. nov., C. vulgaris sp. nov., C. wuxuhaiense sp. nov. Two species complexes, the C. boninense species complex and C. gloeosporioides species complex, were found to be associated with aquatic plants. Pathogenicity tests revealed a broad diversity in pathogenicity and aggressiveness among the eight new Colletotrichum species.
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Affiliation(s)
- Hua Zheng
- Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Zefen Yu
- Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
| | - Xinwei Jiang
- Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Linlin Fang
- Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Min Qiao
- Laboratory for Conservation and Utilization of Bio-Resources, Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
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Colletotrichum species and complexes: geographic distribution, host range and conservation status. FUNGAL DIVERS 2021. [DOI: 10.1007/s13225-021-00491-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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11
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Manawasinghe IS, Phillips AJL, Xu J, Balasuriya A, Hyde KD, Stępień Ł, Harischandra DL, Karunarathna A, Yan J, Weerasinghe J, Luo M, Dong Z, Cheewangkoon R. Defining a species in fungal plant pathology: beyond the species level. FUNGAL DIVERS 2021. [DOI: 10.1007/s13225-021-00481-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Wan Y, Zou L, Zeng L, Tong H, Chen Y. A New Colletotrichum Species Associated with Brown Blight Disease on Camellia sinensis. PLANT DISEASE 2021; 105:1474-1481. [PMID: 33258436 DOI: 10.1094/pdis-09-20-1912-re] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Brown blight, as the most damaging and common foliar disease of the tea plant (Camellia sinensis) in China, has been recently reported to be caused by different species of the genus Colletotrichum. During the years 2016 to 2017, tea plants in commercial tea cultivation areas of Chongqing City that reported significant incidences of brown blight disease were investigated and then analyzed using both morphological characteristics and multilocus phylogenetic analysis. The results showed that at least five species of Colletotrichum were identified, including four well-known species (Colletotrichum gloeosporioides, C. camelliae, C. fioriniae, and C. karstii) and one novel species (C. chongqingense), indicating that there is remarkable species diversity in Colletotrichum spp. present as pathogens. Results of pathogenicity analyses confirmed that C. chongqingense was the causal agent of brown blight and different isolates differed in virulence. C. chongqingense, as a novel pathogen, has never been reported as being associated with brown blight disease in tea plants or anthracnose in other host plants anywhere in the world. Knowledge of the Colletotrichum populations will facilitate further studies addressing the relationships between Colletotrichum spp. and their host plant Camellia sinensis.
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Affiliation(s)
- Yuhe Wan
- Department of Tea Science, College of Food Science, Southwest University, Chongqing, 400715, China
| | - Lvjia Zou
- Department of Tea Science, College of Food Science, Southwest University, Chongqing, 400715, China
| | - Liang Zeng
- Department of Tea Science, College of Food Science, Southwest University, Chongqing, 400715, China
| | - Huarong Tong
- Department of Tea Science, College of Food Science, Southwest University, Chongqing, 400715, China
| | - Yingjuan Chen
- Department of Tea Science, College of Food Science, Southwest University, Chongqing, 400715, China
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15
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Abstract
Twenty-seven Colletotrichum isolates associated with asymptomatic tissues of bamboo (Bambusoideae, Gramineae) were isolated from Anhui, Beijing, and Guangxi in China. Based on multilocus (internal transcribed spacer [ITS], glyceraldehyde-3-phosphate dehydrogenase [GAPDH], chitin synthase [CHS], actin [ACT], beta-tubulin [TUB2]) phylogenetic analyses and morphological characteristics, three species were distinguished, including two novel species, C. bambusicola and C. guangxiense, and one known species, C. metake, which is a first report for China. These species have hitherto only been discovered on Bambusoideae, indicating that they probably have host preference.
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Affiliation(s)
- Qiu-Tong Wang
- College of Life Science, Capital Normal University, Xisanhuanbeilu 105, Haidian, Beijing, 100048, China
| | - Fang Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Cheng-Lin Hou
- College of Life Science, Capital Normal University, Xisanhuanbeilu 105, Haidian, Beijing, 100048, China
| | - Lei Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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Liu LP, Wang Y, Qiu PL, Zhang B, Zhang L, Wang N, Li Y, Gao J, Hsiang T. Colletotrichum neorubicola sp. nov., a new leaf anthracnose pathogen of raspberry from northeast China. Mycol Prog 2020. [DOI: 10.1007/s11557-020-01614-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Park MJ, Back CG, Park JH. Colletotrichum cymbidiicola Causing Anthracnose on Cymbidium Orchids in Korea. MYCOBIOLOGY 2020; 48:321-325. [PMID: 32952415 PMCID: PMC7476528 DOI: 10.1080/12298093.2020.1768626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/07/2019] [Accepted: 10/28/2019] [Indexed: 06/11/2023]
Abstract
A Colletotrichum species was isolated from leaves of Cymbidium exhibiting symptoms of anthracnose. In this study, the isolates obtained were identified based on recent taxonomic approaches for the genus Colletotrichum. The identity of the causal pathogen was confirmed using morphological data and phylogenetic analysis of combined multi-gene dataset (internal transcribed spacer, glyceraldehyde 3-phosphate dehydrogenase, chitin synthase-1, actin, histone3, beta-tubulin, and calmodulin). Pathogenicity testing revealed that the isolates were pathogenic to Cymbidium. Based on these results, the fungal pathogen occurring on Cymbidium orchids was identified as Colletotrichum cymbidiicola, which is a newly recorded species in Korea.
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Affiliation(s)
- Mi-Jeong Park
- Horticultural and Herbal Crop Environment Division, National
Institute of Horticultural and Herbal Science, Rural Development
Administration, Wanju, Korea
| | - Chang-Gi Back
- Horticultural and Herbal Crop Environment Division, National
Institute of Horticultural and Herbal Science, Rural Development
Administration, Wanju, Korea
| | - Jong-Han Park
- Horticultural and Herbal Crop Environment Division, National
Institute of Horticultural and Herbal Science, Rural Development
Administration, Wanju, Korea
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Zhang W, Damm U, Crous PW, Groenewald JZ, Niu X, Lin J, Li Y. Anthracnose Disease of Carpetgrass ( Axonopus compressus) Caused by Colletotrichum hainanense sp. nov. PLANT DISEASE 2020; 104:1744-1750. [PMID: 32290774 DOI: 10.1094/pdis-10-19-2183-re] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Carpetgrass (Axonopus compressus) is a creeping, stoloniferous, perennial warm-season grass that is adapted to humid tropical and subtropical climates. Recently, outbreaks of anthracnose disease of A. compressus caused by an unidentified Colletotrichum sp. were observed in the Hainan and Guangdong provinces in southern China. In late winter and early spring, the disease incidence reached 100% in some badly infected lawns. Under high-moisture conditions, the crowns and oldest leaf sheaths of the majority of the plants became necrotic, which led to whole lawns turning reddish brown. Pathogenicity was confirmed by inoculating uninfected A. compressus plants with a conidial suspension of the Colletotrichum sp. isolated from diseased Axonopus plants. Phylogenetic analyses of the combined internal transcribed spacer, Sod2, Apn2, and Apn2/Mat1 sequences revealed the pathogen to be a novel species of the Colletotrichum graminicola species complex. Microscopic examination showed that the species was also morphologically distinct from related Colletotrichum species. As a result of the phylogenetic, morphological, and pathogenicity analyses, we propose the name Colletotrichum hainanense for this pathogen of A. compressus in southern China.
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Affiliation(s)
- Wu Zhang
- Institute for Advanced Materials, Lingnan Normal University, Zhanjiang 524048, China
- School of Life Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Ulrike Damm
- Senckenberg Museum of Natural History Görlitz, 02806 Görlitz, Germany
| | - Pedro W Crous
- Westerdijk Fungal Biodiversity Institute, 3584 CT Utrecht, The Netherlands
- Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria 0002, South Africa
| | | | - Xueli Niu
- School of Life Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Jinmei Lin
- School of Life Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Yuting Li
- School of Life Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
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da Silva LL, Moreno HLA, Correia HLN, Santana MF, de Queiroz MV. Colletotrichum: species complexes, lifestyle, and peculiarities of some sources of genetic variability. Appl Microbiol Biotechnol 2020; 104:1891-1904. [PMID: 31932894 DOI: 10.1007/s00253-020-10363-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/30/2019] [Accepted: 01/09/2020] [Indexed: 11/25/2022]
Abstract
The genus Colletotrichum comprises species with different lifestyles but is mainly known for phytopathogenic species that infect crops of agronomic relevance causing considerable losses. The fungi of the genus Colletotrichum are distributed in species complexes and within each complex some species have particularities regarding their lifestyle. The most commonly found and described lifestyles in Colletotrichum are endophytic and hemibiotrophic phytopathogenic. Several of these phytopathogenic species show wide genetic variability, which makes long-term maintenance of resistance in plants difficult. Different mechanisms may play an important role in the emergence of genetic variants but are not yet fully understood in this genus. These mechanisms include heterokaryosis, a parasexual cycle, sexual cycle, transposable element activity, and repeat-induced point mutations. This review provides an overview of the genus Colletotrichum, the species complexes described so far and the most common lifestyles in the genus, with a special emphasis on the mechanisms that may be responsible, at least in part, for the emergence of new genotypes under field conditions.
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Affiliation(s)
- Leandro Lopes da Silva
- Laboratório de Genética Molecular de Fungos, Departamento de Microbiologia/Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Hanna Lorena Alvarado Moreno
- Laboratório de Genética Molecular de Fungos, Departamento de Microbiologia/Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Hilberty Lucas Nunes Correia
- Laboratório de Genética Molecular de Fungos, Departamento de Microbiologia/Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Mateus Ferreira Santana
- Laboratório de Genética Molecular de Fungos, Departamento de Microbiologia/Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Marisa Vieira de Queiroz
- Laboratório de Genética Molecular de Fungos, Departamento de Microbiologia/Instituto de Biotecnologia Aplicada à Agropecuária (BIOAGRO), Universidade Federal de Viçosa, Viçosa, MG, Brazil.
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Shivas RG, Beasley DR, Bransgrove K, Tan YP, Bulow G. Biodiscovery and the Queensland Plant Pathology Herbarium. MICROBIOLOGY AUSTRALIA 2019. [DOI: 10.1071/ma19036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The Queensland Plant Pathology Herbarium (BRIP) and its associated collection of fungal and bacterial cultures have obtained Australian and international recognition as critical resources for agricultural research and plant biosecurity. For decades, many key agricultural and mycological studies published in international journals have examined Australian reference specimens obtained from BRIP. The Queensland Plant Pathology Herbarium is now seeking to reposition itself as a significant provider of unique Australian cultures. This ambitious journey could unlock the potential of Australian specimens to provide novel bioactive natural products that may benefit society.
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Hyde KD, Norphanphoun C, Chen J, Dissanayake AJ, Doilom M, Hongsanan S, Jayawardena RS, Jeewon R, Perera RH, Thongbai B, Wanasinghe DN, Wisitrassameewong K, Tibpromma S, Stadler M. Thailand’s amazing diversity: up to 96% of fungi in northern Thailand may be novel. FUNGAL DIVERS 2018. [DOI: 10.1007/s13225-018-0415-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Yan Y, Yuan Q, Tang J, Huang J, Hsiang T, Wei Y, Zheng L. Colletotrichum higginsianum as a Model for Understanding Host⁻Pathogen Interactions: A Review. Int J Mol Sci 2018; 19:E2142. [PMID: 30041456 PMCID: PMC6073530 DOI: 10.3390/ijms19072142] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 07/18/2018] [Accepted: 07/18/2018] [Indexed: 11/16/2022] Open
Abstract
Colletotrichum higginsianum is a hemibiotrophic ascomycetous fungus that causes economically important anthracnose diseases on numerous monocot and dicot crops worldwide. As a model pathosystem, the Colletotrichum⁻Arabidopsis interaction has the significant advantage that both organisms can be manipulated genetically. The goal of this review is to provide an overview of the system and to point out recent significant studies that update our understanding of the pathogenesis of C. higginsianum and resistance mechanisms of Arabidopsis against this hemibiotrophic fungus. The genome sequence of C. higginsianum has provided insights into how genome structure and pathogen genetic variability has been shaped by transposable elements, and allows systematic approaches to longstanding areas of investigation, including infection structure differentiation and fungal⁻plant interactions. The Arabidopsis-Colletotrichum pathosystem provides an integrated system, with extensive information on the host plant and availability of genomes for both partners, to illustrate many of the important concepts governing fungal⁻plant interactions, and to serve as an excellent starting point for broad perspectives into issues in plant pathology.
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Affiliation(s)
- Yaqin Yan
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan 430070, China.
| | - Qinfeng Yuan
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan 430070, China.
| | - Jintian Tang
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan 430070, China.
| | - Junbin Huang
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan 430070, China.
| | - Tom Hsiang
- School of Environmental Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
| | - Yangdou Wei
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
| | - Lu Zheng
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan 430070, China.
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Sharma G, Maymon M, Freeman S. Epidemiology, pathology and identification of Colletotrichum including a novel species associated with avocado (Persea americana) anthracnose in Israel. Sci Rep 2017; 7:15839. [PMID: 29158592 PMCID: PMC5696532 DOI: 10.1038/s41598-017-15946-w] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 11/06/2017] [Indexed: 11/09/2022] Open
Abstract
Anthracnose disease caused by Colletotrichum species is a major constraint for the shelf-life and marketability of avocado fruits. To date, only C. gloeosporioides sensu lato and C. aenigma have been reported as pathogens affecting avocado in Israel. This study was conducted to identify and characterize Colletotrichum species associated with avocado anthracnose and to determine their survival on different host-structures in Israel. The pathogen survived and over-wintered mainly on fresh and dry leaves, as well as fresh twigs in the orchard. A collection of 538 Colletotrichum isolates used in this study was initially characterized based on morphology and banding patterns generated according to arbitrarily primed PCR to assess the genetic diversity of the fungal populations. Thereafter, based on multi-locus phylogenetic analyses involving combinations of ITS, act, ApMat, cal, chs1, gapdh, gs, his3, tub2 gene/markers; eight previously described species (C. aenigma, C. alienum, C. fructicola, C. gloeosporioides sensu stricto, C. karstii, C. nupharicola, C. siamense, C. theobromicola) and a novel species (C. perseae) were identified, as avocado anthracnose pathogens in Israel; and reconfirmed after pathogenicity assays. Colletotrichum perseae sp. nov. and teleomorph of C. aenigma are described along with comprehensive morphological descriptions and illustrations, for the first time in this study.
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Affiliation(s)
- Gunjan Sharma
- Department of Plant Pathology and Weed Research, Institute of Plant Protection, Agricultural Research Organization, The Volcani Center, Rishon LeZion, 7505101, Israel
| | - Marcel Maymon
- Department of Plant Pathology and Weed Research, Institute of Plant Protection, Agricultural Research Organization, The Volcani Center, Rishon LeZion, 7505101, Israel
| | - Stanley Freeman
- Department of Plant Pathology and Weed Research, Institute of Plant Protection, Agricultural Research Organization, The Volcani Center, Rishon LeZion, 7505101, Israel.
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De Silva DD, Crous PW, Ades PK, Hyde KD, Taylor PW. Life styles of Colletotrichum species and implications for plant biosecurity. FUNGAL BIOL REV 2017. [DOI: 10.1016/j.fbr.2017.05.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Diao YZ, Zhang C, Liu F, Wang WZ, Liu L, Cai L, Liu XL. Colletotrichum species causing anthracnose disease of chili in China. PERSOONIA 2017; 38:20-37. [PMID: 29151625 PMCID: PMC5645185 DOI: 10.3767/003158517x692788] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 03/21/2016] [Indexed: 11/25/2022]
Abstract
Anthracnose caused by Colletotrichum species is a serious disease of more than 30 plant genera. Several Colletotrichum species have been reported to infect chili in different countries. Although China is the largest chili-producing country, little is known about the species that have been infecting chili locally. Therefore, we collected samples of diseased chili from 29 provinces of China, from which 1285 strains were isolated. The morphological characters of all strains were observed and compared, and multi-locus phylogenetic analyses (ITS, ACT, CAL, CHS-1, GAPDH, TUB2, and HIS3) were performed on selected representative strains. Fifteen Colletotrichum species were identified, with C. fioriniae, C. fructicola, C. gloeosporioides, C. scovillei, and C. truncatum being prevalent. Three new species, C. conoides, C. grossum, and C. liaoningense, were recognised and described in this paper. Colletotrichum aenigma, C. cliviae, C. endophytica, C. hymenocallidis, C. incanum, C. karstii, and C. viniferum were reported for the first time from chili. Pathogenicity of all species isolated from chili was confirmed, except for C. endophytica. The current study improves the understanding of species causing anthracnose on chili and provides useful information for the effective control of the disease in China.
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Affiliation(s)
- Y.-Z. Diao
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - C. Zhang
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - F. Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - W.-Z. Wang
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - L. Liu
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - X.-L. Liu
- Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing, 100193, China
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Marin-Felix Y, Groenewald J, Cai L, Chen Q, Marincowitz S, Barnes I, Bensch K, Braun U, Camporesi E, Damm U, de Beer Z, Dissanayake A, Edwards J, Giraldo A, Hernández-Restrepo M, Hyde K, Jayawardena R, Lombard L, Luangsa-ard J, McTaggart A, Rossman A, Sandoval-Denis M, Shen M, Shivas R, Tan Y, van der Linde E, Wingfield M, Wood A, Zhang J, Zhang Y, Crous P. Genera of phytopathogenic fungi: GOPHY 1. Stud Mycol 2017; 86:99-216. [PMID: 28663602 PMCID: PMC5486355 DOI: 10.1016/j.simyco.2017.04.002] [Citation(s) in RCA: 186] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Genera of Phytopathogenic Fungi (GOPHY) is introduced as a new series of publications in order to provide a stable platform for the taxonomy of phytopathogenic fungi. This first paper focuses on 21 genera of phytopathogenic fungi: Bipolaris, Boeremia, Calonectria, Ceratocystis, Cladosporium, Colletotrichum, Coniella, Curvularia, Monilinia, Neofabraea, Neofusicoccum, Pilidium, Pleiochaeta, Plenodomus, Protostegia, Pseudopyricularia, Puccinia, Saccharata, Thyrostroma, Venturia and Wilsonomyces. For each genus, a morphological description and information about its pathology, distribution, hosts and disease symptoms are provided. In addition, this information is linked to primary and secondary DNA barcodes of the presently accepted species, and relevant literature. Moreover, several novelties are introduced, i.e. new genera, species and combinations, and neo-, lecto- and epitypes designated to provide a stable taxonomy. This first paper includes one new genus, 26 new species, ten new combinations, and four typifications of older names.
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Affiliation(s)
- Y. Marin-Felix
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - J.Z. Groenewald
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Q. Chen
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - S. Marincowitz
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - I. Barnes
- Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - K. Bensch
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Botanische Staatssammlung München, Menzinger Straße 67, D-80638 München, Germany
| | - U. Braun
- Martin-Luther-Universität, Institut für Biologie, Bereich Geobotanik und Botanischer Garten, Herbarium, Neuwerk 21, D-06099 Halle (Saale), Germany
| | - E. Camporesi
- A.M.B. Gruppo Micologico Forlivese “Antonio Cicognani”, Via Roma 18, Forlì, Italy
- A.M.B. Circolo Micologico “Giovanni Carini”, C.P. 314, Brescia, Italy
- Società per gli Studi Naturalistici della Romagna, C.P. 144, Bagnacavallo (RA), Italy
| | - U. Damm
- Senckenberg Museum of Natural History Görlitz, PF 300 154, 02806 Görlitz, Germany
| | - Z.W. de Beer
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - A. Dissanayake
- Center of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, PR China
| | - J. Edwards
- AgriBio Centre for AgriBiosciences, Department of Economic Development, Jobs, Transport and Resources, 5 Ring Road, LaTrobe University, Bundoora, Victoria 3083, Australia
| | - A. Giraldo
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - M. Hernández-Restrepo
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - K.D. Hyde
- Center of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
- School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - R.S. Jayawardena
- Center of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
- Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, PR China
| | - L. Lombard
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
| | - J. Luangsa-ard
- Microbe Interaction and Ecology Laboratory, Biodiversity and Biotechnological Resource Research Unit (BBR), BIOTEC, NSTDA 113 Thailand Science Park Phahonyothin Rd., Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand
| | - A.R. McTaggart
- Department of Plant and Soil Science, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - A.Y. Rossman
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA
| | - M. Sandoval-Denis
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Faculty of Natural and Agricultural Sciences, Department of Plant Sciences, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - M. Shen
- Institute of Microbiology, P.O. Box 61, Beijing Forestry University, Beijing 100083, PR China
| | - R.G. Shivas
- Centre for Crop Health, Institute for Agriculture and the Environment, University of Southern Queensland, Toowoomba 4350, Queensland, Australia
| | - Y.P. Tan
- Department of Agriculture & Fisheries, Biosecurity Queensland, Ecosciences Precinct, Dutton Park, Queensland 4102, Australia
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CT Utrecht, The Netherlands
| | - E.J. van der Linde
- ARC – Plant Protection Research Institute, Biosystematics Division – Mycology, P. Bag X134, Queenswood 0121, South Africa
| | - M.J. Wingfield
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
| | - A.R. Wood
- ARC – Plant Protection Research Institute, P. Bag X5017, Stellenbosch 7599, South Africa
| | - J.Q. Zhang
- Institute of Microbiology, P.O. Box 61, Beijing Forestry University, Beijing 100083, PR China
| | - Y. Zhang
- Institute of Microbiology, P.O. Box 61, Beijing Forestry University, Beijing 100083, PR China
| | - P.W. Crous
- Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa
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Liu F, Weir B, Damm U, Crous P, Wang Y, Liu B, Wang M, Zhang M, Cai L. Unravelling Colletotrichum species associated with Camellia: employing ApMat and GS loci to resolve species in the C. gloeosporioides complex. PERSOONIA 2015; 35:63-86. [PMID: 26823629 PMCID: PMC4713112 DOI: 10.3767/003158515x687597] [Citation(s) in RCA: 106] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 12/13/2014] [Indexed: 01/06/2023]
Abstract
We investigated the phylogenetic diversity of 144 Colletotrichum isolates associated with symptomatic and asymptomatic tissues of Camellia sinensis and other Camellia spp. from seven provinces in China (Fujian, Guizhou, Henan, Jiangxi, Sichuan, Yunnan, Zhejiang), and seven isolates obtained from other countries, including Indonesia, UK, and the USA. Based on multi-locus (ACT, ApMat, CAL, GAPDH, GS, ITS, TUB2) phylogenetic analyses and phenotypic characters, 11 species were distinguished, including nine well-characterised species (C. alienum, C. boninense, C. camelliae, C. cliviae, C. fioriniae, C. fructicola, C. gloeosporioides, C. karstii, C. sia-mense), and two novel species (C. henanense and C. jiangxiense). Of these, C. camelliae proved to be the most dominant and probably host specific taxon occurring on Camellia. An epitype is also designated for the latter species in this study. Colletotrichum jiangxiense is shown to be phylogenetically closely related to the coffee berry pathogen C. kahawae subsp. kahawae. Pathogenicity tests and the pairwise homoplasy index test suggest that C. jiangxiense and C. kahawae subsp. kahawae are two independent species. This study represents the first report of C. alienum and C. cliviae occurring on Camellia sinensis. In addition, our study demonstrated that the combined use of the loci ApMat and GS in a phylogenetic analysis is able to resolve all currently accepted species in the C. gloeosporioides species complex.
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Affiliation(s)
- F. Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - B.S. Weir
- Landcare Research, Private Bag 92170 Auckland, New Zealand
| | - U. Damm
- Landcare Research, Private Bag 92170 Auckland, New Zealand
| | - P.W. Crous
- Microbiology, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
- CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, 0002, South Africa
| | - Y. Wang
- Department of Plant Pathology, Guizhou University, Guizhou, 550025, China
| | - B. Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - M. Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - M. Zhang
- College of Plant Protection, Henan Agricultural University, Henan, 450002, China
| | - L. Cai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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Fungal Planet description sheets: 320-370. Persoonia - Molecular Phylogeny and Evolution of Fungi 2015; 34:167-266. [PMID: 26240451 PMCID: PMC4510277 DOI: 10.3767/003158515x688433] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Accepted: 05/28/2015] [Indexed: 12/03/2022]
Abstract
Novel species of fungi described in the present study include the following from Malaysia: Castanediella eucalypti from Eucalyptus pellita, Codinaea acacia from Acacia mangium, Emarcea eucalyptigena from Eucalyptus brassiana, Myrtapenidiella eucalyptorum from Eucalyptus pellita, Pilidiella eucalyptigena from Eucalyptus brassiana and Strelitziana malaysiana from Acacia mangium. Furthermore, Stachybotrys sansevieriicola is described from Sansevieria ehrenbergii (Tanzania), Phacidium grevilleae from Grevillea robusta (Uganda), Graphium jumulu from Adansonia gregorii and Ophiostoma eucalyptigena from Eucalyptus marginata (Australia), Pleurophoma ossicola from bone and Plectosphaerella populi from Populus nigra (Germany), Colletotrichum neosansevieriae from Sansevieria trifasciata, Elsinoë othonnae from Othonna quinquedentata and Zeloasperisporium cliviae (Zeloasperisporiaceae fam. nov.) from Clivia sp. (South Africa), Neodevriesia pakbiae, Phaeophleospora hymenocallidis and Phaeophleospora hymenocallidicola on leaves of a fern (Thailand), Melanconium elaeidicola from Elaeis guineensis (Indonesia), Hormonema viticola from Vitis vinifera (Canary Islands), Chlorophyllum pseudoglobossum from a grassland (India), Triadelphia disseminata from an immunocompromised patient (Saudi Arabia), Colletotrichum abscissum from Citrus (Brazil), Polyschema sclerotigenum and Phialemonium limoniforme from human patients (USA), Cadophora vitícola from Vitis vinifera (Spain), Entoloma flavovelutinum and Bolbitius aurantiorugosus from soil (Vietnam), Rhizopogon granuloflavus from soil (Cape Verde Islands), Tulasnella eremophila from Euphorbia officinarum subsp. echinus (Morocco), Verrucostoma martinicensis from Danaea elliptica (French West Indies), Metschnikowia colchici from Colchicum autumnale (Bulgaria), Thelebolus microcarpus from soil (Argentina) and Ceratocystis adelpha from Theobroma cacao (Ecuador). Myrmecridium iridis (Myrmecridiales ord. nov., Myrmecridiaceae fam. nov.) is also described from Iris sp. (The Netherlands). Novel genera include (Ascomycetes): Budhanggurabania from Cynodon dactylon (Australia), Soloacrosporiella, Xenocamarosporium, Neostrelitziana and Castanediella from Acacia mangium and Sabahriopsis from Eucalyptus brassiana (Malaysia), Readerielliopsis from basidiomata of Fuscoporia wahlbergii (French Guyana), Neoplatysporoides from Aloe ferox (Tanzania), Wojnowiciella, Chrysofolia and Neoeriomycopsis from Eucalyptus (Colombia), Neophaeomoniella from Eucalyptus globulus (USA), Pseudophaeomoniella from Olea europaea (Italy), Paraphaeomoniella from Encephalartos altensteinii, Aequabiliella, Celerioriella and Minutiella from Prunus (South Africa). Tephrocybella (Basidiomycetes) represents a novel genus from wood (Italy). Morphological and culture characteristics along with ITS DNA barcodes are provided for all taxa.
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30
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Udayanga D, Castlebury LA, Rossman AY, Chukeatirote E, Hyde KD. The Diaporthe sojae species complex: Phylogenetic re-assessment of pathogens associated with soybean, cucurbits and other field crops. Fungal Biol 2015; 119:383-407. [PMID: 25937066 DOI: 10.1016/j.funbio.2014.10.009] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 10/28/2014] [Indexed: 01/25/2023]
Abstract
Phytopathogenic species of Diaporthe are associated with a number of soybean diseases including seed decay, pod and stem blight and stem canker and lead to considerable crop production losses worldwide. Accurate morphological identification of the species that cause these diseases has been difficult. In this study, we determined the phylogenetic relationships and species boundaries of Diaporthe longicolla, Diaporthe phaseolorum, Diaporthe sojae and closely related taxa. Species boundaries for this complex were determined based on combined phylogenetic analysis of five gene regions: partial sequences of calmodulin (CAL), beta-tubulin (TUB), histone-3 (HIS), translation elongation factor 1-α (EF1-α), and the nuclear ribosomal internal transcribed spacers (ITS). Phylogenetic analyses revealed that this large complex of taxa is comprised of soybean pathogens as well as species associated with herbaceous field crops and weeds. Diaporthe arctii, Diaporthe batatas, D. phaseolorum and D. sojae are epitypified. The seed decay pathogen D. longicolla was determined to be distinct from D. sojae. D. phaseolorum, originally associated with stem and leaf blight of Lima bean, was not found to be associated with soybean. A new species, Diaporthe ueckerae on Cucumis melo, is introduced with description and illustrations.
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Affiliation(s)
- Dhanushka Udayanga
- Systematic Mycology and Microbiology Laboratory, United States Department of Agriculture - Agricultural Research Service, Beltsville, MD 20705, USA; Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand; School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Lisa A Castlebury
- Systematic Mycology and Microbiology Laboratory, United States Department of Agriculture - Agricultural Research Service, Beltsville, MD 20705, USA.
| | - Amy Y Rossman
- Systematic Mycology and Microbiology Laboratory, United States Department of Agriculture - Agricultural Research Service, Beltsville, MD 20705, USA
| | - Ekachai Chukeatirote
- Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand; School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Kevin D Hyde
- Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand; School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand; Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China; World Agroforestry Centre, East and Central Asia, Kunming 650201, People's Republic of China
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Damm U, O'Connell R, Groenewald J, Crous P. The Colletotrichum destructivum species complex - hemibiotrophic pathogens of forage and field crops. Stud Mycol 2014; 79:49-84. [PMID: 25492986 PMCID: PMC4255528 DOI: 10.1016/j.simyco.2014.09.003] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Colletotrichum destructivum is an important plant pathogen, mainly of forage and grain legumes including clover, alfalfa, cowpea and lentil, but has also been reported as an anthracnose pathogen of many other plants worldwide. Several Colletotrichum isolates, previously reported as closely related to C. destructivum, are known to establish hemibiotrophic infections in different hosts. The inconsistent application of names to those isolates based on outdated species concepts has caused much taxonomic confusion, particularly in the plant pathology literature. A multilocus DNA sequence analysis (ITS, GAPDH, CHS-1, HIS3, ACT, TUB2) of 83 isolates of C. destructivum and related species revealed 16 clades that are recognised as separate species in the C. destructivum complex, which includes C. destructivum, C. fuscum, C. higginsianum, C. lini and C. tabacum. Each of these species is lecto-, epi- or neotypified in this study. Additionally, eight species, namely C. americae-borealis, C. antirrhinicola, C. bryoniicola, C. lentis, C. ocimi, C. pisicola, C. utrechtense and C. vignae are newly described.
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Affiliation(s)
- U. Damm
- CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
| | - R.J. O'Connell
- UMR1290 BIOGER-CPP, INRA-AgroParisTech, 78850 Thiverval-Grignon, France
| | - J.Z. Groenewald
- CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
| | - P.W. Crous
- CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0002, South Africa
- Wageningen University and Research Centre (WUR), Laboratory of Phytopathology, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
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Beirn LA, Clarke BB, Crouch JA. Influence of host and geographic locale on the distribution of Colletotrichum cereale lineages. PLoS One 2014; 9:e97706. [PMID: 24842654 PMCID: PMC4026525 DOI: 10.1371/journal.pone.0097706] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 04/22/2014] [Indexed: 01/09/2023] Open
Abstract
Colletotrichum cereale is an ascomycete inhabitant of cool-season Pooideae grasses. The fungus has increased in frequency over the past decade as a destructive pathogen of Poa annua and Agrostis stolonifera turfgrass. Colletotrichum cereale exists as two lineages, designated clades A and B, but little is known about the distribution of these clades in natural environments, or what role these subdivisions may play in the trajectory of disease outbreaks. In this study, our objective was to determine the frequency of C. cereale clades A and B. To rapidly discriminate between the two C. cereale clades, a real-time PCR assay was developed based on the Apn2 gene. A collection of 700 C. cereale pathogens and endophytes from twenty Pooideae grass genera were genotyped. 87% of the collection was identifed as part of clade A, 11.7% as part of clade B, and 1.3% was a mixture. Colletotrichum cereale from turfgrass hosts in North America were most commonly members of clade A (78%). The overabundance of clade A in turfgrass isolates was directly attributable to the dominance of this lineage from southern sampling sites, irrespective of host. In contrast, 111 C. cereale turfgrass isolates collected from northern sampling sites were evenly distributed between clades A and B. Only 28% of C. cereale from A. stolonifera at northern sampling sites were part of clade A. These data show that environmental factors such as geographic location and host identity likely played a role in the distribution of the major C. cereale clades in North American turfgrass.
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Affiliation(s)
- Lisa A. Beirn
- Department of Plant Biology and Pathology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Bruce B. Clarke
- Department of Plant Biology and Pathology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - Jo Anne Crouch
- Systematic Mycology and Microbiology Laboratory, U.S. Department of Agriculture-Agricultural Research Service, Beltsville, Maryland, United States of America
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