Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China

The family Microthyriaceae is represented by relatively few mycelial cultures and DNA sequences; as a result, the taxonomy and classification of this group of organisms remain poorly understood. During the investigation of the diversity of aquatic hyphomycetes from southern China, several isolates w...

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Autores principales: Min Qiao, Hua Zheng, Ji-Shu Guo, Rafael F. Castañeda-Ruiz, Jian-Ping Xu, Jie Peng, Ke-Qin Zhang, Ze-Fen Yu
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Publicado: Pensoft Publishers 2021
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spelling oai:doaj.org-article:5aef34772cf04382962628fd51d76d742021-12-01T04:30:41ZTwo new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China10.3897/mycokeys.85.708291314-4049https://doaj.org/article/5aef34772cf04382962628fd51d76d742021-11-01T00:00:00Zhttps://mycokeys.pensoft.net/article/70829/download/pdf/https://mycokeys.pensoft.net/article/70829/download/xml/https://mycokeys.pensoft.net/article/70829/https://doaj.org/toc/1314-4049The family Microthyriaceae is represented by relatively few mycelial cultures and DNA sequences; as a result, the taxonomy and classification of this group of organisms remain poorly understood. During the investigation of the diversity of aquatic hyphomycetes from southern China, several isolates were collected. These isolates were cultured and sequenced and a BLAST search of its LSU sequences against data in GenBank revealed that the closest related taxa are in the genus Microthyrium. Phylogenetic analyses, based on the combined sequence data from the internal transcribed spacers (ITS) and the large subunit (LSU), revealed that these isolates represent eight new taxa in Microthyriaceae, including two new genera, Antidactylaria gen. nov. and Isthmomyces gen. nov. and six new species, Antidactylaria minifimbriata sp. nov., Isthmomyces oxysporus sp. nov., I. dissimilis sp. nov., I. macrosporus sp. nov., Triscelophorus anisopterioideus sp. nov. and T. sinensis sp. nov. These new taxa are described, illustrated for their morphologies and compared with similar taxa. In addition, two new combinations are proposed in this family.Min QiaoHua ZhengJi-Shu GuoRafael F. Castañeda-RuizJian-Ping XuJie PengKe-Qin ZhangZe-Fen YuPensoft PublishersarticleBotanyQK1-989ENMycoKeys, Vol 85, Iss , Pp 1-30 (2021)
institution DOAJ
collection DOAJ
language EN
topic Botany
QK1-989
spellingShingle Botany
QK1-989
Min Qiao
Hua Zheng
Ji-Shu Guo
Rafael F. Castañeda-Ruiz
Jian-Ping Xu
Jie Peng
Ke-Qin Zhang
Ze-Fen Yu
Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
description The family Microthyriaceae is represented by relatively few mycelial cultures and DNA sequences; as a result, the taxonomy and classification of this group of organisms remain poorly understood. During the investigation of the diversity of aquatic hyphomycetes from southern China, several isolates were collected. These isolates were cultured and sequenced and a BLAST search of its LSU sequences against data in GenBank revealed that the closest related taxa are in the genus Microthyrium. Phylogenetic analyses, based on the combined sequence data from the internal transcribed spacers (ITS) and the large subunit (LSU), revealed that these isolates represent eight new taxa in Microthyriaceae, including two new genera, Antidactylaria gen. nov. and Isthmomyces gen. nov. and six new species, Antidactylaria minifimbriata sp. nov., Isthmomyces oxysporus sp. nov., I. dissimilis sp. nov., I. macrosporus sp. nov., Triscelophorus anisopterioideus sp. nov. and T. sinensis sp. nov. These new taxa are described, illustrated for their morphologies and compared with similar taxa. In addition, two new combinations are proposed in this family.
format article
author Min Qiao
Hua Zheng
Ji-Shu Guo
Rafael F. Castañeda-Ruiz
Jian-Ping Xu
Jie Peng
Ke-Qin Zhang
Ze-Fen Yu
author_facet Min Qiao
Hua Zheng
Ji-Shu Guo
Rafael F. Castañeda-Ruiz
Jian-Ping Xu
Jie Peng
Ke-Qin Zhang
Ze-Fen Yu
author_sort Min Qiao
title Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
title_short Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
title_full Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
title_fullStr Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
title_full_unstemmed Two new asexual genera and six new asexual species in the family Microthyriaceae (Dothideomycetes, Ascomycota) from China
title_sort two new asexual genera and six new asexual species in the family microthyriaceae (dothideomycetes, ascomycota) from china
publisher Pensoft Publishers
publishDate 2021
url https://doaj.org/article/5aef34772cf04382962628fd51d76d74
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