Species diversity, molecular phylogeny and ecological habits of Cyanosporus (Polyporales, Basidiomycota) with an emphasis on Chinese collections

文献类型： 外文期刊

第一作者： Liu, Shun

作者： Liu, Shun;Xu, Tai-Min;Song, Chang-Ge;Cui, Bao-Kai;Zhao, Chang-Lin;Wu, Dong -Mei

作者机构：

关键词： brown-rot fungi; distribution areas; host trees; multi-gene phylogeny; new species

期刊名称：MYCOKEYS （ 影响因子：3.111； 五年影响因子：3.228 ）

ISSN： 1314-4057

年卷期： 2022 年 86 期

页码：

收录情况： SCI

摘要： Cyanosporus is a genus widely distributed in Asia, Europe, North America, South America and Oceania. It grows on different angiosperm and gymnosperm trees and can cause brown rot of wood. Blue-tinted basidiomata of Cyanosporus makes it easy to distinguish from other genera, but the similar morphologi-cal characters make it difficult to identify species within the genus. Phylogeny and taxonomy of Cyano-sporus were carried out based on worldwide samples with an emphasis on Chinese collections, and the species diversity of the genus is updated. Four new species, C. flavus, C. rigidus, C. subungulatus and C. tenuicontextus, are described based on the evidence of morphological characters, distribution areas, host trees and molecular phylogenetic analyses inferred from the internal transcribed spacer (ITS) regions, the large subunit of nuclear ribosomal RNA gene (nLSU), the small subunit of nuclear ribosomal RNA gene (nSSU), the small subunit of mitochondrial rRNA gene (mtSSU), the largest subunit of RNA polymerase II (RPB1), the second largest subunit of RNA polymerase II (RPB2), and the translation elongation factor 1-alpha gene (TEF). Our study expanded the number of Cyanosporus species to 35 around the world including 23 species from China. Detailed descriptions of the four new species and the geographical locations of the Cyanosporus species in China are provided.

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