Morphological and molecular analyses reveal two new species of Grifola (Polyporales) from Yunnan, China

文献类型： 外文期刊

第一作者： Tang, Song-Ming

作者： Tang, Song-Ming;Chen, De-Chao;Wang, Shuai;Wu, Xiao-Qu;Ao, Cheng-Ce;Li, Er-Xian;Luo, Hong-Mei;Li, Shu-Hong;Chen, De-Chao;Wang, Shuai;Wu, Xiao-Qu;Ao, Cheng-Ce

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关键词： 2 new species; morphology; multi-gene phylogeny; Southeast Asia; taxonomy; Yunnan

期刊名称：MYCOKEYS （ 影响因子：3.3； 五年影响因子：3.1 ）

ISSN： 1314-4057

年卷期： 2024 年 102 期

页码：

收录情况： SCI

摘要： Species of Grifola are famous edible mushrooms and are deeply loved by consumers around the world. Most species of this genus have been described and recorded in Oceania, Europe and South America, with only Grifola frondosa being recorded in Asia. In this study, two novel species of Grifola from southwestern China (Asia) are introduced. Macro and micromorphological characters are described. Grifola edulis sp. nov. present medium -size basidiomata with gray to gray -brown lobes upper surface, mostly tibiiform or narrowly clavate, rarely narrowly lageniform or ellipsoid chlamydospores, cuticle hyphae terminal segments slightly enlarged. Grifola sinensis sp. nov. has white to grayish white lobes upper surface, mostly ellipsoid, rarely narrowly utriform chlamydospores, and broadly ellipsoid to ellipsoid basidiospores (4.6-7.9 x 3.0-5.9 mu m). The two new species are supported by phylogenetic analyses of combined nuclear rDNA internal transcribed spacer ITS1-5.8S-ITS2 rDNA (ITS) and beta-tubulin (TUBB). Moreover, the genetic distance between TUBB sequences of those specimen from GenBank was 1.76-1.9%. Thus, the conspecificity relationship of our specimens remains uncertain, and further specimens are required to conclusively confirm its identity.

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