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系统发育、形态学和化学分析揭示了该类群（茶渍科，子囊菌门）中的两个新的多孢子物种。

Phylogeny, morphology and chemistry reveal two new multispored species in the group (Lecanoraceae, Ascomycota).

作者信息

Li Lijuan, Zhang Yanyun, Printzen Christian

机构信息

Goethe University Frankfurt, 60438, Frankfurt am Main, Germany Goethe University Frankfurt Frankfurt am Main Germany.

Senckenberg Research Institute and Natural History Museum, 60325, Frankfurt am Main, Germany Senckenberg Research Institute and Natural History Museum Frankfurt am Main Germany.

出版信息

MycoKeys. 2023 Aug 7;99:25-43. doi: 10.3897/mycokeys.99.108462. eCollection 2023.

DOI:10.3897/mycokeys.99.108462
PMID:37588798
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10425951/
Abstract

Two new multispored species from China, Li J. Li & Printzen, and Li J. Li & Printzen, are described and illustrated here, based on morphological, chemical and molecular evidence. is characterised by an epruinose, yellowish-brown to deep brown apothecial disc, an epihymenium with fine crystals, an amphithecium with small crystals, 16-spored asci and the presence of zeorin, in addition to atranorin. is characterised by an epruinose, red-brown apothecial disc, an epihymenium without crystals, an amphithecium with small crystals, 8 or 16- spored asci and the presence of zeorin and the stictic acid complex, in addition to atranorin. Phylogenetic reconstructions, based on mtSSU, nrITS and nrLSU suggest that these two species are members of the group. They are compared with morphologically similar and phylogenetically related species, based on a nrITS dataset. Phylogenetic results show that the multispored taxa of are polyphyletic. The number of ascospores per ascus appears to be a taxonomic character of minor importance. Detailed descriptions, discussions and figures for the two new species from China and a key for the multispored species of worldwide are provided.

摘要

基于形态学、化学和分子证据，本文描述并阐释了来自中国的两个新的多孢子物种，即李J. 李和普林岑描述的物种1，以及李J. 李和普林岑描述的物种2。物种1的特征为：子囊盘无粉被，呈黄棕色至深棕色，外囊盘被具细小晶体，侧丝层具小晶体，具16个孢子的子囊，除了扁枝衣酸之外还存在扁枝衣菌素。物种2的特征为：子囊盘无粉被，呈红棕色，外囊盘被无晶体，侧丝层具小晶体，具8个或16个孢子的子囊，除了扁枝衣酸之外还存在扁枝衣菌素和细点霉酸复合物。基于线粒体小亚基（mtSSU）、核糖体ITS（nrITS）和核糖体大亚基（nrLSU）的系统发育重建表明，这两个物种是某类群的成员。基于nrITS数据集，将它们与形态相似且系统发育相关的物种进行了比较。系统发育结果表明，该类群的多孢子分类群是多系的。每个子囊中的子囊孢子数量似乎是一个重要性较低的分类特征。本文提供了来自中国的这两个新物种的详细描述、讨论和图，以及全球该类群多孢子物种的检索表。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/691a2671f750/mycokeys-99-025-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/aec0b61b1fee/mycokeys-99-025-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/260ccb6c4f25/mycokeys-99-025-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/48bc41233064/mycokeys-99-025-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/691a2671f750/mycokeys-99-025-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/aec0b61b1fee/mycokeys-99-025-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/260ccb6c4f25/mycokeys-99-025-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/48bc41233064/mycokeys-99-025-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/04bc/10425951/691a2671f750/mycokeys-99-025-g004.jpg

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本文引用的文献

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