A new study of Nagrajomyces: with two new species proposed and taxonomic status inferred by phylogenetic methods.

A new study of Nagrajomyces: with two new species proposed and taxonomic status inferred by phylogenetic methods.
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DOI:
10.3897/mycokeys.93.93712
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发表时间:
2022
期刊:
影响因子:
3.3
通讯作者:
Hou CL
Hou CL
中科院分区:
生物学2区
文献类型:
--
作者:
Zhuo L;Guo MJ;Wang QT;Zhou H;Piepenbring M;Hou CL

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Nagrajmyces(子囊菌门)是一个单型属,其系统位置未知。本文报道了两个新种:Nagrajmycesfusiformis和Nagrajmyceslaojushanensis。这些新分类群是基于光学显微镜和分子数据所显示的形态特征而提出的。多位点系统发育分析(ITS rDNA、nrLSU rDNA、RPb2和TEF1-α)表明,最近在云南省采集的中国标本与红豆科有较近的亲缘关系。新种和已知种都是在杜鹃枝条上以无性发育的形式被反复发现的。(杜鹃花科)。这表明该菌具有寄主专一性。为杜鹃花属植物。
Nagrajomyces (incertae sedis, Ascomycota) is a monotypic genus with a previously unknown systematic position. In this report, two new species are proposed, Nagrajomycesfusiformis and Nagrajomyceslaojunshanensis. These new taxa are proposed based on morphological characteristics evident via light microscopy and molecular data. Multi-locus phylogenetic analyses (ITS rDNA, nrLSU rDNA, RPB2, and TEF1-α) show that specimens recently collected in Yunnan Province, China are closely related to Gnomoniaceae. Both new species and known species were discovered repeatedly in their asexual developmental form exclusively on twigs of Rhododendron spp. (Ericaceae). This indicates a host specificity of Nagrajomyces spp. for species of Rhododendron.
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发表时间: 2021-09-24
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