中国文山山藻（Callosus wenshanensis gen.&sp.nov.）

IF 0.4 4区生物学 Q4 MYCOLOGY

Mycotaxon Pub Date : 2022-03-27 DOI:10.5248/137.435

Rui Chen, Xiao He, Changlin Zhao

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引用次数: 0

摘要

根据形态和分子特征，本文提出了一个新的类皮质木栖真菌属Callosus，以文山C.wenshanensis为代表。该种的特征是具有光滑、奶油色处女膜表面的重孢子担子体，具有带有单隔膜的生殖菌丝的单体菌丝系统，以及椭球、透明、薄壁和光滑的担孢子（2.3-3.9×1.4-2.3μm）。使用最大似然、最大简约和贝叶斯推理方法分析nrDNA内部转录间隔区（ITS）和大亚基（28s）序列。系统发育分析支持Callosus在一个与原毛平革菌和根毛菌密切相关的单系谱系中。

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Callosus wenshanensis gen. & sp. nov. from China

A new genus of corticoid wood-inhabiting fungus, Callosus, typified by C. wenshanensis, is proposed here based on morphological and molecular characters. The species is characterized by resupinate basidiomata with smooth, cream-colored hymenial surfaces, a monomitic hyphal system with generative hyphae bearing simple septa, and basidiospores (2.3–3.9 × 1.4–2.3 μm) that are ellipsoid, hyaline, thin-walled, and smooth. The nrDNA internal transcribed spacer (ITS) and large subunit (28s) sequences were analyzed using maximum likelihood, maximum parsimony, and Bayesian inference methods. Phylogenetic analysis supported Callosus in a monophyletic lineage closely related to Phanerochaete and Rhizochaete.

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来源期刊

Mycotaxon 生物-真菌学

CiteScore

1.20

自引率

10.00%

发文量

审稿时长

3 months

期刊介绍： Mycotaxon is a quarterly peer-reviewed journal exclusively devoted to all phases of the taxonomy and nomenclature of fungi (including lichens). All articles are peer-reviewed by specialists prior to acceptance. Publication is open to all persons. Authors prepare their own article after having received critical comments from pre-submission reviewers .The journal is published with one volume each quarter. Articles are accepted in English only, with summaries or abstract in any language(s).