Phylogeny and taxonomy of two new species in Dictyosporiaceae (Pleosporales, Dothideomycetes) from Guizhou, China
文献类型： 外文期刊
作者： Feng, Yao 1 ; Liu, Zuo-Yi 2 ; Chen, Xiao-Fang 3 ; Yang, Mi-Lian 1 ; Zhang, Zhi-Yuan 4 ; Chen, Ya -Ya 5 ;
作者机构： 1.Guizhou Minzu Univ, Sch Chinese Ethn Med, Guiyang 550025, Guizhou, Peoples R China
2.Guizhou Acad Agr Sci, Guizhou Key Lab Agr Biotechnol, Guiyang 550025, Guizhou, Peoples R China
3.Bijie Med Coll, Bijie 551700, Guizhou, Peoples R China
4.Guizhou Minzu Univ, Coll Ecoenvironm Engn, Guiyang 550025, Guizhou, Peoples R China
5.Guizhou Acad Agr Sci, Inst Crop Germplasm Resources, Guiyang 550025, Guizhou, Peoples R China
6.Minist Agr & Rural Affairs, Key Lab Crop Cenet Resources & Germplasm Innovat K, Guiyang 550009, Guizhou, Peoples R China
关键词： 2 new species; Gregarithecium; multi-locus; new taxa; Pseudocoleophoma; taxonomy
期刊名称：MYCOKEYS （ 影响因子：2.8； 五年影响因子：2.8 ）
ISSN： 1314-4057
年卷期： 2024 年 106 期
页码：
收录情况： SCI
摘要： Two novel species within the family Dictyosporiaceae are described and illustrated from terrestrial habitats on dead culms of bamboo and an unidentified plant, respectively. Through morphological comparisons and the multi-locus phylogenetic analyses of combined LSU, ITS, SSU, and tef1-alpha sequence dataset, two species, Gregarithecium bambusicola, Pseudocoleophoma paraphysoidea are identified. Phylogenetically, both species clustered into a monophyletic clade with strong bootstrap support. Gregarithecium bambusicola sp. nov. can be distinguished from other species within the genus based on its almost straight ascospores. Pseudocoleophoma paraphysoidea sp. nov. differs from other species in its conidiogenous cells intermixed with paraphyses, longer conidiogenous cells and larger conidia. The identification of this lineage contributes to our understanding of the classification of Dictyosporiaceae.
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