Species Diversity of Edible Mushrooms I-Four New Laccaria Species from Yunnan Province, China.

IF 4.2 2区 生物学 Q2 MICROBIOLOGY
Song-Ming Tang, Guo Zhao, Kai-Yang Niu, Rui-Yu Li, Feng-Ming Yu, Samantha C Karunarathna, Lin Li, Kevin D Hyde, Xi-Jun Su, Zong-Long Luo
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Abstract

As symbiotic mycorrhizal associates, species within the genus Laccaria play pivotal roles in forest ecosystems, specifically forming ectomycorrhizal relationships with the root systems of various plants. Some Laccaria species are recognized for their edibility, holding potential as a sustainable food source in the context of future food security and dietary diversification. In this study, the species diversity of Laccaria in Yunnan was investigated, and four novel species were identified. Their taxonomical positions and phylogenetic affinities were confirmed through phylogenetic analysis based on ITS, nrLSU, tef1-α, and rpb2 sequence data. Macro- and micro-morphological characteristics of the new species are also given here. Laccaria brownii sp. nov. has a dark to slightly desaturated orange pileus, stipe context broadly fistulose and soft orange, and relatively smaller cheilocystidia and pleurocystidia. Laccaria orangei sp. nov. has a hemispherical to paraboloid pileus, abundant narrowly clavate, flexuose, and branched cheilocystidia. Laccaria ruber sp. nov. pileus is red on the margin, clearly striate on the pileus surface, basidia clavate, mostly four-spored, rarely two-spored. Laccaria stipalba sp. nov. stipe surface is white, long sterigmata (4-13 μm × 2-3 μm), pleurocystidia narrowly clavate to subclavate, flexuose or mucronate, rarely branch. The descriptions, illustrations, and phylogenetic analysis results of the new taxa are provided. In addition, the new taxa are compared with closely related taxa.

食用菌的物种多样性——云南省四种新菌属。
作为共生菌根伙伴,菌根属物种在森林生态系统中起着关键作用,特别是与各种植物的根系形成外生菌根关系。一些拉虫物种因其可食性而得到认可,在未来粮食安全和饮食多样化的背景下,它们有潜力成为可持续的食物来源。本研究对云南拉卡虫的物种多样性进行了调查,鉴定出4种新种。通过ITS、nrLSU、tef1-α和rpb2序列数据的系统发育分析,确定了它们的分类位置和系统发育亲缘关系。文中还给出了新种的宏观和微观形态特征。褐拉螨有深色到稍不饱和的橙色菌毛,柄缘宽裂和软橙色,唇囊孔和胸膜囊孔相对较小。桔梗有半球形到抛物面状的毛,丰富的狭棍棒状,弯曲,和分枝的唇囊。橡胶树伞毛边缘红色,在伞毛表面有明显的条纹,担子棒状,大多数四孢子,很少二孢子。柄柄表面白色,长柄柄(4-13 μm × 2-3 μm),胸膜囊孔窄棍棒状至近棍棒状,弯曲或短尖,很少分枝。文中给出了新分类群的描述、图解和系统发育分析结果。此外,还将新分类群与近缘分类群进行了比较。
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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