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<p>Rivers are dynamic ecosystems that play a crucial role in supporting microbial diversity and sustaining a wide range of ecological functions. Here, we used metagenomic sequencing datasets of channel sediments, riparian bulk soils, and riparian rhizosphere soils to construct metagenome-assembled genomes (MAGs) from 30 river wetlands along a latitudinal gradient in China. We identified 236 MAGs with completeness ≥ 50% and contamination ≤ 10%, including 225 bacteria and 11 archaea. Among these, 24.2% showed a completeness of 80% or higher. The dominant taxa were assigned to Pseudomonadota (78 MAGs), Actinomycetota (47 MAGs), and Bacteroidota (29 MAGs), which were particularly prevalent in riparian soils. These draft genomes provide valuable insights into microbial diversity and biogeochemical potential in river wetlands, enhancing our understanding of how microorganisms have evolved to adapt to the complex environments of rivers and latitudinal variation.</p>

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236 metagenome-assembled microbial genomes from rivers along a latitudinal gradient

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月29日

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  • Xiang Xiong,
  • Song Liu,
  • Jieya Huang,
  • Lian Feng,
  • Wenzhi Liu

摘要

Rivers are dynamic ecosystems that play a crucial role in supporting microbial diversity and sustaining a wide range of ecological functions. Here, we used metagenomic sequencing datasets of channel sediments, riparian bulk soils, and riparian rhizosphere soils to construct metagenome-assembled genomes (MAGs) from 30 river wetlands along a latitudinal gradient in China. We identified 236 MAGs with completeness ≥ 50% and contamination ≤ 10%, including 225 bacteria and 11 archaea. Among these, 24.2% showed a completeness of 80% or higher. The dominant taxa were assigned to Pseudomonadota (78 MAGs), Actinomycetota (47 MAGs), and Bacteroidota (29 MAGs), which were particularly prevalent in riparian soils. These draft genomes provide valuable insights into microbial diversity and biogeochemical potential in river wetlands, enhancing our understanding of how microorganisms have evolved to adapt to the complex environments of rivers and latitudinal variation.