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Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade

More than 200 recent collections of Trichoderma from China were examined and 16 species belonging to the Viride clade were identified based on integrated studies of phenotypic and molecular data. Among them, seven wood-inhabiting new species, T. albofulvopsis, T. densum, T. laevisporum, T. sinokonin...

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Autores principales: Qin, Wen-Tao, Zhuang, Wen-Ying
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4888246/
https://www.ncbi.nlm.nih.gov/pubmed/27245694
http://dx.doi.org/10.1038/srep27074
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author Qin, Wen-Tao
Zhuang, Wen-Ying
author_facet Qin, Wen-Tao
Zhuang, Wen-Ying
author_sort Qin, Wen-Tao
collection PubMed
description More than 200 recent collections of Trichoderma from China were examined and 16 species belonging to the Viride clade were identified based on integrated studies of phenotypic and molecular data. Among them, seven wood-inhabiting new species, T. albofulvopsis, T. densum, T. laevisporum, T. sinokoningii, T. sparsum, T. sphaerosporum and T. subviride, are found. They form trichoderma- to verticillium-like conidiophores, lageniform to subulate phialides and globose to ellipsoidal conidia, but vary greatly in colony features, growth rates, and sizes of phialides and conidia. To explore their taxonomic positions, the phylogenetic tree including all the known species of the Viride clade is constructed based on sequence analyses of the combined RNA polymerase II subunit b and translation elongation factor 1 alpha exon genes. Our results indicated that the seven new species were well-located in the Koningii, Rogersonii and Neorufum subclades as well as a few independent terminal branches. They are clearly distinguishable from any existing species. Morphological distinctions and sequence divergences between the new species and their close relatives were discussed.
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spelling pubmed-48882462016-06-09 Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade Qin, Wen-Tao Zhuang, Wen-Ying Sci Rep Article More than 200 recent collections of Trichoderma from China were examined and 16 species belonging to the Viride clade were identified based on integrated studies of phenotypic and molecular data. Among them, seven wood-inhabiting new species, T. albofulvopsis, T. densum, T. laevisporum, T. sinokoningii, T. sparsum, T. sphaerosporum and T. subviride, are found. They form trichoderma- to verticillium-like conidiophores, lageniform to subulate phialides and globose to ellipsoidal conidia, but vary greatly in colony features, growth rates, and sizes of phialides and conidia. To explore their taxonomic positions, the phylogenetic tree including all the known species of the Viride clade is constructed based on sequence analyses of the combined RNA polymerase II subunit b and translation elongation factor 1 alpha exon genes. Our results indicated that the seven new species were well-located in the Koningii, Rogersonii and Neorufum subclades as well as a few independent terminal branches. They are clearly distinguishable from any existing species. Morphological distinctions and sequence divergences between the new species and their close relatives were discussed. Nature Publishing Group 2016-06-01 /pmc/articles/PMC4888246/ /pubmed/27245694 http://dx.doi.org/10.1038/srep27074 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Qin, Wen-Tao
Zhuang, Wen-Ying
Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title_full Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title_fullStr Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title_full_unstemmed Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title_short Seven wood-inhabiting new species of the genus Trichoderma (Fungi, Ascomycota) in Viride clade
title_sort seven wood-inhabiting new species of the genus trichoderma (fungi, ascomycota) in viride clade
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4888246/
https://www.ncbi.nlm.nih.gov/pubmed/27245694
http://dx.doi.org/10.1038/srep27074
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