Seasonal Variations in Microbial Community Structure and Function in the Waters Along the Yangtze-to-Huaihe Water Diversion Project According to Metagenomics.

Hezhou Chen, Bohan Xu, Qidi Xie, Zhen Gu, Shaozhuang Guo, Shuqin Chen

Abstract read

In one paragraph

Article in Microorganisms, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Hezhou ChenKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.ORCID 0009-0004-7947-2699

Bohan XuKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.

Qidi XieKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.

Zhen GuKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.

Shaozhuang GuoKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.

Shuqin ChenKey Laboratory of Aqueous Environment Protection and Pollution Control of Yangtze River of Anhui Provincial Education Department, Anhui Provincial Key Laboratory of Intelligent Monitoring and Productivity Improvement of Cultivated Land, School of Energy, Environmental and Geomatics Engineering, Anqing Normal University, Anqing 246133, China.

Funding

The Anhui Provincial University Innovation Team Project, Digital Agriculture Innovation Team 2023AH010039The Anqing Normal University Graduate Education Quality Project X2025xqkc002The key project of natural science research of Anhui Provincial Education Department 2024AH051079The Youth Project of Natural Science Research of Anhui Provincial Education Department 2025AHGXZK40116

6 · The paper itself

Abstract

Water diversion projects can alleviate the uneven spatiotemporal distribution of water resources, but they may also impact functions of aquatic ecosystems in the waters along the route. Despite their importance, the temporal and spatial changes in multi-domain microbial community structure and function along the route remain poorly understood. Metagenomics was employed to investigate the community structure and function of bacteria, archaea, and fungi in the aquatic environments along the Yangtze-to-Huaihe water diversion project in winter and summer seasons. The results showed that seasonal variations may drive a trade-off in the species diversity of bacterial and fungal communities. Seasonal variations altered microbial communities (especially for the bacteria), and exerted a greater influence on community structure than spatial factors. Microbial community composition was more sensitive to seasonal fluctuations than functional genes. The species spatial turnover played a dominant role in shaping microbial communities (especially for winter) in both seasons. Archaea, bacteria, fungi and KEGG functional genes all exhibited a positive correlation with some environmental factors in summer but not in winter. PLS-SEM indicated that water quality and microbial composition directly significantly impacted functional genes. This study offers a theoretical basis for maintaining the stability of water ecological microorganisms in water transfer projects.

Indexed as

driving mechanismmicrobial communitymicrobial functionsseasonal variationswater diversion

Identifiers

PMID42795597

DOI10.3390/microorganisms14092016

PMCPMC13609500

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