{"title":"来自中国西北部的四种姬松茸科(Agaricales)新种。","authors":"Longfei Fan, Xue Zhong, Tianfu Ma, Hongmin Zhou, Biyue Wang, Xiaohong Ji","doi":"10.3389/fmicb.2024.1454736","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Cortinariaceae, which belongs to the Agaricales order, is a globally recognized family, known for its high species diversity.</p><p><strong>Methods: </strong>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.</p><p><strong>Results: </strong>These new species in the taxa, <i>Cortinarius gansuensis</i>, <i>Cortinarius tricholomoidus</i>, <i>Cortinarius vinoso-griseum</i>, and <i>Phlegmacium subcalyptratum</i> from Northwestern China are described and illustrated based on morphological and molecular evidence. <i>Cortinarius gansuensis</i> 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); <i>Cortinarius tricholomoidus</i> 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); <i>Cortinarius vinoso-griseum</i> 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 <i>Phlegmacium subcalyptratum</i> 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).</p><p><strong>Discussion: </strong>Full descriptions, illustrations, and results of phylogenetic analyses of the four species along with discussions on related species are provided.</p>","PeriodicalId":12466,"journal":{"name":"Frontiers in Microbiology","volume":null,"pages":null},"PeriodicalIF":4.0000,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461355/pdf/","citationCount":"0","resultStr":"{\"title\":\"Four new species of Cortinariaceae (Agaricales) from Northwestern China.\",\"authors\":\"Longfei Fan, Xue Zhong, Tianfu Ma, Hongmin Zhou, Biyue Wang, Xiaohong Ji\",\"doi\":\"10.3389/fmicb.2024.1454736\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>Cortinariaceae, which belongs to the Agaricales order, is a globally recognized family, known for its high species diversity.</p><p><strong>Methods: </strong>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.</p><p><strong>Results: </strong>These new species in the taxa, <i>Cortinarius gansuensis</i>, <i>Cortinarius tricholomoidus</i>, <i>Cortinarius vinoso-griseum</i>, and <i>Phlegmacium subcalyptratum</i> from Northwestern China are described and illustrated based on morphological and molecular evidence. <i>Cortinarius gansuensis</i> 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); <i>Cortinarius tricholomoidus</i> 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); <i>Cortinarius vinoso-griseum</i> 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 <i>Phlegmacium subcalyptratum</i> 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).</p><p><strong>Discussion: </strong>Full descriptions, illustrations, and results of phylogenetic analyses of the four species along with discussions on related species are provided.</p>\",\"PeriodicalId\":12466,\"journal\":{\"name\":\"Frontiers in Microbiology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":4.0000,\"publicationDate\":\"2024-09-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461355/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Frontiers in Microbiology\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.3389/fmicb.2024.1454736\",\"RegionNum\":2,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"Q2\",\"JCRName\":\"MICROBIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Frontiers in Microbiology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3389/fmicb.2024.1454736","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"Q2","JCRName":"MICROBIOLOGY","Score":null,"Total":0}
Four new species of Cortinariaceae (Agaricales) from Northwestern China.
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, Cortinarius gansuensis, Cortinarius tricholomoidus, Cortinarius vinoso-griseum, and Phlegmacium subcalyptratum from Northwestern China are described and illustrated based on morphological and molecular evidence. Cortinarius gansuensis 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); Cortinarius tricholomoidus 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); Cortinarius vinoso-griseum 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 Phlegmacium subcalyptratum 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.
期刊介绍:
Frontiers in Microbiology is a leading journal in its field, publishing rigorously peer-reviewed research across the entire spectrum of microbiology. Field Chief Editor Martin G. Klotz at Washington State University is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide.