Stratocorticium sinensis gen. et sp. nov. and Cericium gloeocystidiatum sp. nov. (Cyphellaceae, Agaricales) from East Asia.

IF 4.2 2区 生物学 Q2 MICROBIOLOGY
Yu-Peng Zhang, Yue Li, Karen K Nakasone, Shuang-Hui He
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引用次数: 0

Abstract

Cyphellaceae, a small and under-studied family of Agaricales, includes mostly saprophytic taxa with varied basidiomes. In this study, we focus on wood-decay species with corticioid or stereoid basidiomes. Phylogenetic analyses of concatenated ITS-nrLSU sequences uncovered seven generic lineages of corticioid or stereoid fungi-Acanthocorticium, Cericium, Chondrostereum, Cunninghammyces, Gloeostereum, Granulobasidium, and Stratocorticium gen. nov. The genus Cericium is shown to be in the Cyphellaceae family, and two new species, Cericium gloeocystidiatum and Stratocorticium sinensis, are described from East Asia. Morphologically, Ce. gloeocystidiatum is characterized by resupinate basidiomes with smooth hymenophores, a dimitic hyphal system with clamped generative hyphae and micro-binding hyphae, cystidia with resinous-like or golden yellow contents, and ellipsoid basidiospores. Stratocorticium is monotypic, differing from Cericium by a trimitic hyphal system of clamped generative, micro-binding, and brown, thick-walled skeletal-like hyphae, clavate to cylindrical cystidia with homogenous, colorless contents, and hyphidia. Descriptions and illustrations are provided for the new taxa and Cericium luteoincrustatum, and a key to corticioid or stereoid genera in Cyphellaceae is included.

来自东亚的 Stratocorticium sinensis gen.
黄柏科(Cyphellaceae)是姬松属(Agaricales)中一个规模较小、研究较少的科,主要包括基部形态各异的吸浆类群。在本研究中,我们主要研究具有皮质基部或立体基部的木腐物种。ITS-nrLSU 序列的系统发育分析发现了皮层真菌或立体真菌的 7 个属系--Acanthocorticium、Cericium、Chondrostereum、Cunninghammyces、Gloeostereum、Granulobasidium 和 Stratocorticium gen.结果表明 Cericium 属属于黄柏科,并从东亚描述了两个新种:Cericium gloeocystidiatum 和 Stratocorticium sinensis。从形态上看,Ce. gloeocystidiatum 的特征是复杯状基生体,具有光滑的膜柄;二纤细的菌丝系统,具有夹持的生成菌丝和微结合菌丝;子囊腔具有树脂状或金黄色内容物;基生孢子椭圆形。Stratocorticium 为单型,与 Cericium 的不同之处在于其三生菌丝系统,包括夹生的生成菌丝、微结合菌丝和棕色的厚壁骨架状菌丝,棍棒状至圆柱状的子囊菌,内含物均匀无色,以及菌褶。该研究为新分类群和 Cericium luteoincrustatum 提供了描述和插图,并包含了黄柏科皮质类属或立体类属的检索表。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Fungi
Journal of Fungi Medicine-Microbiology (medical)
CiteScore
6.70
自引率
14.90%
发文量
1151
审稿时长
11 weeks
期刊介绍: Journal of Fungi (ISSN 2309-608X) is an international, peer-reviewed scientific open access journal that provides an advanced forum for studies related to pathogenic fungi, fungal biology, and all other aspects of fungal research. The journal publishes reviews, regular research papers, and communications in quarterly issues. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on paper length. Full experimental details must be provided so that the results can be reproduced.
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