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Updated: Jul 19, 2025

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病原性社区聚集过程中的差异及其与河流和湖泊生态系统中的细菌群体的相互作用

Lei Zhang¹, Shuqi Fang¹, Wenqing Hong¹

¹School of Civil Engineering and Architecture, Chuzhou University, Chuzhou, 239000, China.

Environmental research

|August 9, 2023

概括

水质恶化导致致病性细菌感染. 较高的细菌多样性抑制了病原体的丰富性,湖泊中的决定性过程和河流中的随机过程影响了病原体群落.

科学领域:

环境微生物学环境微生物学
生态毒理学生态毒理学
公共卫生公共卫生

背景情况:

与水质恶化相关的致病性细菌感染对全球健康构成重大风险.
了解致病性细菌社区结构和组合对于预防淡水生态系统中水传播疾病至关重要.

研究的目的:

调查Chaohu湖及其流入河流中的病原细菌群落的组成和组装机制.
区分决定性和随机的过程塑造这些社区在河流与湖泊息地之间的区别.
评估细菌社区多样性和病原体丰富性之间的关系.

主要方法:

从Chaohu湖和11条入水河收集水和沉积物样本.
16S rRNA基因测序用于细菌病原体社区分析.
统计分析包括社区组成比较,斯皮尔曼相关性和共同发生网络分析.

主要成果:

在河流和湖泊息地之间观察到病原体社区组成的显著差异.
在河流样本中,Acinetobacter占主导地位,而在湖中,Flavobacterium最为丰富.
确定性过程结构化了湖泊社区,而随机性过程塑造了河流社区.
细菌社区多样性的增加与病原体丰富度有负相关性.
识别了Pseudomonas aeruginosa和Salmonella enterica等关键物种,影响了网络的复杂性.

结论:

细菌社区的多样性在淡水生态系统中对病原体丰富的抑制作用.
息地特定的组装过程 (确定性与随机性) 影响病原性细菌群体.
结果为水质安全评估和管理与淡水病原体相关的公共卫生风险提供了关键的见解.

关键词:

组装机制的组装机制同时发生的网络网络.病原性细菌社区的病原性细菌社区

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