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Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)

Auriculariales is a fungal order with highly diverse morphological traits of basidiomes, which partially leads to a poor understanding of its taxonomic system at the generic level. To identify our recently collected specimens of Auriculariales to a species level, we perform a comprehensive phylogene...

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Autores principales: Liu, Shi-Liang, Shen, Zi-Qi, Li, Qian-Zhu, Liu, Xiang-Yang, Zhou, Li-Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9315202/
https://www.ncbi.nlm.nih.gov/pubmed/35903469
http://dx.doi.org/10.3389/fmicb.2022.894641
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author Liu, Shi-Liang
Shen, Zi-Qi
Li, Qian-Zhu
Liu, Xiang-Yang
Zhou, Li-Wei
author_facet Liu, Shi-Liang
Shen, Zi-Qi
Li, Qian-Zhu
Liu, Xiang-Yang
Zhou, Li-Wei
author_sort Liu, Shi-Liang
collection PubMed
description Auriculariales is a fungal order with highly diverse morphological traits of basidiomes, which partially leads to a poor understanding of its taxonomic system at the generic level. To identify our recently collected specimens of Auriculariales to a species level, we perform a comprehensive phylogenetic analysis of the generic relationships in Auriculariales. In association with morphological characteristics, a new genus Alloexidiopsis belonging to Auriculariaceae is erected with two new species, namely, A. australiensis and A. schistacea. Moreover, Exidiopsis calcea separated from the generic type E. effusa and Heteroradulum niveum and H. yunnanense recently inaccurately described as members of Heteroradulum are recovered in the clade of Alloexidiopsis. These three species are thus transferred to this new genus. One collection of Exidiopsis grisea also falls in the clade of Alloexidiopsis, whereas another collection of this species is separated far from Alloexidiopsis and E. effusa. Since we have no collection to confirm the species identity of E. grisea, its generic position is uncertain. The main taxonomic morphological differences among Alloexidiopsis and related corticioid genera in Auriculariales are summarized. A key to all the five accepted species of Alloexidiopsis is provided. As two unnamed lineages exist in Alloexidiopsis besides the abovementioned five species, it is assumed that more new species will be revealed from this genus under its current circumscription.
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spelling pubmed-93152022022-07-27 Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota) Liu, Shi-Liang Shen, Zi-Qi Li, Qian-Zhu Liu, Xiang-Yang Zhou, Li-Wei Front Microbiol Microbiology Auriculariales is a fungal order with highly diverse morphological traits of basidiomes, which partially leads to a poor understanding of its taxonomic system at the generic level. To identify our recently collected specimens of Auriculariales to a species level, we perform a comprehensive phylogenetic analysis of the generic relationships in Auriculariales. In association with morphological characteristics, a new genus Alloexidiopsis belonging to Auriculariaceae is erected with two new species, namely, A. australiensis and A. schistacea. Moreover, Exidiopsis calcea separated from the generic type E. effusa and Heteroradulum niveum and H. yunnanense recently inaccurately described as members of Heteroradulum are recovered in the clade of Alloexidiopsis. These three species are thus transferred to this new genus. One collection of Exidiopsis grisea also falls in the clade of Alloexidiopsis, whereas another collection of this species is separated far from Alloexidiopsis and E. effusa. Since we have no collection to confirm the species identity of E. grisea, its generic position is uncertain. The main taxonomic morphological differences among Alloexidiopsis and related corticioid genera in Auriculariales are summarized. A key to all the five accepted species of Alloexidiopsis is provided. As two unnamed lineages exist in Alloexidiopsis besides the abovementioned five species, it is assumed that more new species will be revealed from this genus under its current circumscription. Frontiers Media S.A. 2022-07-12 /pmc/articles/PMC9315202/ /pubmed/35903469 http://dx.doi.org/10.3389/fmicb.2022.894641 Text en Copyright © 2022 Liu, Shen, Li, Liu and Zhou. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Microbiology
Liu, Shi-Liang
Shen, Zi-Qi
Li, Qian-Zhu
Liu, Xiang-Yang
Zhou, Li-Wei
Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title_full Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title_fullStr Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title_full_unstemmed Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title_short Alloexidiopsis gen. nov., A Revision of Generic Delimitation in Auriculariales (Basidiomycota)
title_sort alloexidiopsis gen. nov., a revision of generic delimitation in auriculariales (basidiomycota)
topic Microbiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9315202/
https://www.ncbi.nlm.nih.gov/pubmed/35903469
http://dx.doi.org/10.3389/fmicb.2022.894641
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