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来自中国西北部的丝膜菌科（伞菌目）四个新物种。

Four new species of Cortinariaceae (Agaricales) from Northwestern China.

作者信息

Fan Longfei, Zhong Xue, Ma Tianfu, Zhou Hongmin, Wang Biyue, Ji Xiaohong

机构信息

College of Plant Protection, Gansu Agricultural University, Lanzhou, China.

Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing, China.

出版信息

Front Microbiol. 2024 Sep 25;15:1454736. doi: 10.3389/fmicb.2024.1454736. eCollection 2024.

DOI:10.3389/fmicb.2024.1454736
PMID:39386370
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11461355/
Abstract

INTRODUCTION

Cortinariaceae, which belongs to the Agaricales order, is a globally recognized family, known for its high species diversity.

METHODS

Eight internal transcribed spacer (ITS) and nuclear large ribosomal subunit (LSU) sequences were newly generated, and phylogenetic analyses were performed by combining ITS and LSU datasets. Four species were identified as forming four independent lineages with robust support in phylogenies based on both datasets.

RESULTS

These new species in the taxa, , , , and from Northwestern China are described and illustrated based on morphological and molecular evidence. is characterized by a convex and brownish vinaceous pileus, generative hyphae with clamp connections, and ellipsoid basidiospores (8.5-10.6 μm × 5.4-6.8 μm); is characterized by a broadly umbonate and snuff brown pileus, generative hyphae with clamp connections, and broadly ellipsoid to subglobose basidiospores (7.4-8.5 μm × 6.2-7.3 μm); is characterized by a violaceous gray pileus, generative hyphae with clamp connections, and smaller basidiospores (7.5-9.7 μm × 5.6-7.8 μm); and is characterized by a small and apricot-orange pileus, generative hyphae with clamp connections, and fusiform basidiospores (10.0-12.7 μm × 5.6-6.8 μm).

DISCUSSION

Full descriptions, illustrations, and results of phylogenetic analyses of the four species along with discussions on related species are provided.

摘要

引言

丝膜菌科隶属于伞菌目，是一个全球公认的科，以其高度的物种多样性而闻名。

方法

新生成了8个内部转录间隔区（ITS）和核糖体大亚基（LSU）序列，并通过合并ITS和LSU数据集进行系统发育分析。基于这两个数据集的系统发育分析有力支持，确定有4个物种形成4个独立的谱系。

结果

基于形态学和分子证据，对来自中国西北部的、、、和这几个分类单元中的新物种进行了描述和图示。的特征为菌盖凸起、呈红棕色，有具锁状联合的生殖菌丝，以及椭圆形的担孢子（8.5 - 10.6μm×5.4 - 6.8μm）；的特征为菌盖宽脐状、呈鼻烟褐色，有具锁状联合的生殖菌丝，以及宽椭圆形至近球形的担孢子（7.4 - 8.5μm×6.2 - 7.3μm）；的特征为菌盖呈紫罗兰色灰色，有具锁状联合的生殖菌丝，以及较小的担孢子（7.5 - 9.7μm×5.6 -

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/115908c57f98/fmicb-15-1454736-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/6bf3fe73a41d/fmicb-15-1454736-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/2d0ecd635463/fmicb-15-1454736-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/665e05097416/fmicb-15-1454736-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/104f8be0d32d/fmicb-15-1454736-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/1df4a1144396/fmicb-15-1454736-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/3090a3ff5cf2/fmicb-15-1454736-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/cb73db6ad0e6/fmicb-15-1454736-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/599ad180117c/fmicb-15-1454736-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/115908c57f98/fmicb-15-1454736-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/6bf3fe73a41d/fmicb-15-1454736-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/2d0ecd635463/fmicb-15-1454736-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/665e05097416/fmicb-15-1454736-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/104f8be0d32d/fmicb-15-1454736-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/1df4a1144396/fmicb-15-1454736-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/3090a3ff5cf2/fmicb-15-1454736-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/cb73db6ad0e6/fmicb-15-1454736-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/599ad180117c/fmicb-15-1454736-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca80/11461355/115908c57f98/fmicb-15-1454736-g009.jpg

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