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青藏高原六个湖泊中可培养真菌的多样性及八个新分类单元的描述

Diversity of culturable fungi in six Tibetan Plateau lakes, with descriptions of eight new taxa.

作者信息

Phurbu Dorji, Huang Jun-En, Song Shuang, Ni Zhen, Zhou Xin, Li Shankui, Cai Lei, Liu Fang

机构信息

Tibet Plateau Key Laboratory of Mycology, Tibet Plateau Institute of Biology, Lhasa, China.

State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.

出版信息

Mycology. 2024 Apr 24;16(2):670-689. doi: 10.1080/21501203.2024.2333300. eCollection 2025.

DOI:10.1080/21501203.2024.2333300
PMID:40415910
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12096675/
Abstract

The combination of low temperatures, oligotrophic conditions, high altitude, and varying salinity in Tibetan Plateau lakes endows them with a wealth of distinctive fungal resources. This study aimed to investigate the diversity of culturable fungi in sediment and water samples collected from six lakes located on the Tibetan Plateau at elevations above 4,500 m. A total of 843 fungal strains were isolated by dilution plate method using four different media. Initial ITS analyses revealed that they belong to 156 species across 83 genera, spanning 50 families, 26 orders, 12 classes, and 6 phyla. Further morphological and multi-locus phylogenetic analyses were conducted, resulting in the formal descriptions of a new genus, , and seven new species, including , , , , , , and . This research provides insights into the biodiversity of culturable fungi in the unique and extreme ecosystem, shedding light on the potential discovery of novel species and genera.

摘要

青藏高原湖泊的低温、贫营养条件、高海拔和盐度变化赋予了它们丰富独特的真菌资源。本研究旨在调查从青藏高原海拔4500米以上的六个湖泊采集的沉积物和水样中可培养真菌的多样性。使用四种不同培养基通过稀释平板法共分离出843株真菌菌株。初步的ITS分析表明，它们属于83个属的156个物种，涵盖50个科、26个目、12个纲、6个门。进一步进行了形态学和多位点系统发育分析，正式描述了一个新属和七个新物种，包括[此处原文缺失新属及新物种具体名称]。本研究为独特极端生态系统中可培养真菌的生物多样性提供了见解，为新物种和新属的潜在发现提供了线索。

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