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Morphological Variety in Distoseptispora and Introduction of Six Novel Species

文献类型： 外文期刊

作者： Yang, Jing 1 ; Liu, Ling-Ling 1 ; Jones, E. B. Gareth 5 ; Li, Wen-Li 3 ; Hyde, Kevin D. 2 ; Liu, Zuo-Yi 4 ;

作者机构： 1.Guizhou Acad Agr Sci, Guizhou Inst Soil & Fertilizer, Guiyang 550006, Peoples R China

2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand

3.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Chengdu 611731, Peoples R China

4.Guizhou Acad Agr Sci, Guizhou Key Lab Agr Biotechnol, Guiyang 550006, Peoples R China

5.Chiang Mai Univ, Fac Agr, Dept Entomol & Plant Pathol, Chiang Mai 50200, Thailand

6.King Saud Univ, Coll Sci, Dept Bot & Microbiol, Riyadh 11451, Saudi Arabia

关键词： new taxa; generic delimitation; molecular phylogeny; multi-gene; sporidesmium-like taxa

期刊名称：JOURNAL OF FUNGI （ 影响因子：5.816； 五年影响因子：6.499 ）

ISSN：

年卷期： 2021 年 7 卷 11 期

页码：

收录情况： SCI

摘要： Distoseptispora is one of the sporidesmium-like taxa with great variation in asexual morphology and delineation of species. Phylogenetic analyses of four gene regions LSU, ITS, TEF1 alpha, and RPB2 revealed the placement of several sporidesmium-like species in Distoseptispora (Distoseptisporaceae, Distoseptisporales, Sordariomycetes), collected on submerged decaying twigs from streams in China and Thailand. Based on morphological examination and molecular DNA data, six new species, Distoseptispora amniculi, D. atroviridis, D. effusa, D. fusiformis, D. hyalina, and D. verrucosa, are proposed. Among them, D. hyalina is the first sexual morph confirmed in the genus. A new geographical record is reported for D. lignicola in China. Conidial length proved to be of less taxonomic significance for some Distoseptispora species, whereas the type of conidial septa is informative at species level.

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