Eutrophication Reshapes Microbial Communities and Life-History Strategies in the Riverine Ecosystems.

ABSTRACT: Rivers are increasingly affected by human activities, leading to widespread eutrophication. However, the responses of riverine microbiomes to eutrophication remain poorly understood. In this study, we compared microbiomes between eutrophic urban rivers (UR) and relatively undisturbed natural rivers (NR) to elucidate how eutrophication influences community structures, assembly processes, functions and life-history strategies. Amplicon and metagenomic sequencing revealed that eutrophication substantially enhanced microbial abundance and diversity in riverine ecosystems, with UR harbouring a higher proportion of fast-growing, nitrogen-transforming and antibiotic-resistant taxa. Neutral and null model analyses further revealed that, while stochastic processes predominantly shaped communities i

SUBMITTER: Li H 

PROVIDER: S-EPMC12635496 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature