高原(数学)
微生物群
基因组
生物扩散
生物
生态学
水生生态系统
生物地理学
基因组
生态系统
生物多样性
基因
遗传学
数学分析
数学
人口
人口学
社会学
作者
Mingyue Cheng,Shuai Luo,Peng Zhang,Guangquan Xiong,Kai Chen,Chuanqi Jiang,Fengtang Yang,Hongyi Huang,Pengshuo Yang,Guanxi Liu,Yuhao Zhang,Sang Ba,Ping Yin,Jie Xiong,Wei Miao,Kang Ning
标识
DOI:10.1038/s41467-024-45895-8
摘要
The Tibetan Plateau supplies water to nearly 2 billion people in Asia, but climate change poses threats to its aquatic microbial resources. Here, we construct the Tibetan Plateau Microbial Catalog by sequencing 498 metagenomes from six water ecosystems (saline lakes, freshwater lakes, rivers, hot springs, wetlands and glaciers). Our catalog expands knowledge of regional genomic diversity by presenting 32,355 metagenome-assembled genomes that de-replicated into 10,723 representative genome-based species, of which 88% were unannotated. The catalog contains nearly 300 million non-redundant gene clusters, of which 15% novel, and 73,864 biosynthetic gene clusters, of which 50% novel, thus expanding known functional diversity. Using these data, we investigate the Tibetan Plateau aquatic microbiome's biogeography along a distance of 2,500 km and >5 km in altitude. Microbial compositional similarity and the shared gene count with the Tibetan Plateau microbiome decline along with distance and altitude difference, suggesting a dispersal pattern. The Tibetan Plateau Microbial Catalog stands as a substantial repository for high-altitude aquatic microbiome resources, providing potential for discovering novel lineages and functions, and bridging knowledge gaps in microbiome biogeography.
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