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Crassisporus gen. nov. (Polyporaceae, Basidiomycota) evidenced by morphological characters and phylogenetic analyses with descriptions of four new species

文献类型： 外文期刊

作者： Ji, Xing 1 ; Wu, Dong-Mei 2 ; Liu, Shun 1 ; Si, Jing 1 ; Cui, Bao-Kai 1 ;

作者机构： 1.Beijing Forestry Univ, Sch Ecol & Nat Conservat, Inst Microbiol, Beijing 100083, Peoples R China

2.Xinjiang Acad Agr & Reclamat Sci, Biotechnol Res Inst, Xinjiang Prod & Construct Grp, Key Lab Crop Germplasm Enhancement & Gene Resourc, Shihezi 832000, Xinjiang, Peoples R China

关键词： core polyporoid clade; molecular phylogeny; polypore; taxonomy; wood-decaying fungi

期刊名称：MYCOKEYS （ 影响因子：2.984； 五年影响因子：3.004 ）

ISSN： 1314-4057

年卷期： 2019 年 57 期

页码：

收录情况： SCI

摘要： A new poroid wood-inhabiting fungal genus, Crassisporus gen. nov., is proposed on the basis of morphological characters and molecular evidence. The genus is characterized by an annual growth habit, effused-reflexed to pileate basidiocarps with pale yellowish brown to yellowish brown, concentrically zonate or sulcate, and velutinate pileal surface, a trimitic hyphal system with clamped generative hyphae, tissues turning to dark in KOH, oblong to broadly ellipsoid, hyaline, smooth, and slightly thick-walled basidiospores. Phylogenetic analysis based on ITS+nLSU sequences indicate that Crassisporus belongs to the core polyporoid clade. The combined ITS+nLSU+mtSSU+EF1-alpha+RPB2 sequences dataset of representative taxa in the Polyporaceae demonstrate that Crassisporus is grouped with Haploporus but forms a monophyletic lineage. In addition, four new species of Crassisporus, C. imbricatus, C. leucoporus, C. macroporus, and C. microsporus are described.

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