Morphological and molecular identification of a new species, Trullella yunnanensis (Steccherinaceae, Polyporales) from southern China

被引:0
作者
Xiao He
Jun-Hong Dong
Chang-Lin Zhao
机构
[1] Southwest Forestry University,Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education
[2] Southwest Forestry University,College of Biodiversity Conservation
[3] Kunming Institute of Botany,Yunnan Key Laboratory for Fungal Diversity and Green Development
[4] Chinese Academy of Science,undefined
来源
Kew Bulletin | 2023年 / 78卷
关键词
molecular phylogeny; taxonomy; wood-inhabiting fungi; Yunnan province.;
D O I
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中图分类号
学科分类号
摘要
A new wood-inhabiting fungal species, Trullella yunnanensis sp. nov., is described based on morphological and molecular characters. Trullella yunnanensis is characterised by annual, laterally stipitate basidiomata with light brownish hymenial surface and a dimitic hyphal system with clamped generative hyphae and cylindrical, colourless, thin-walled, smooth basidiospores (3.5 – 4.5 × 1.5 – 1.9 μm). Sequences of ITS and LSU nrRNA gene regions of the studied samples were generated, and phylogenetic analyses were performed with maximum likelihood, maximum parsimony and bayesian inference methods. The phylogenetic analyses based on ITS and ITS+nLSU sequences in Steccherinaceae showed that Trullella yunnanensis nested into Trullella and then appeared to be the sister clade to all other species of Trullella. Further phylogeny inferred from ITS sequences among Trullella revealed that Trullella yunnanensis formed a monophyletic entity with a high support (100% BS, 100% BP and 1.00 BPP).
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页码:213 / 221
页数:8
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