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废水驱动的营养丰富重组病毒社区组合,宿主相互作用和生态功能,沿着乌干达的Nakivubo-维多利亚湖接口

Henry Joseph Oduor Ogola¹

¹Department of Environmental Sciences (DES), College of Agriculture and Environmental Sciences (CAES), University of South Africa (UNISA), Florida Campus, Roodepoort 1709, South Africa.

The Science of the total environment

|July 4, 2025

概括

废水污染显著改变了维多利亚湖的淡水病毒群落,影响了它们的功能和宿主相互作用. 病毒是人类对水生生态系统影响的关键指标.

科学领域:

环境微生物学环境微生物学
水生病毒学水生病毒学
生态系统生态学的生态学.

背景情况:

淡水湖泊生态系统是微生物热点,受到城市水域输入的影响.
了解病毒社区对于评估人类影响地区的生态系统健康至关重要.

研究的目的:

调查Nakivubo流域-维多利亚湖接口的病毒社区组成,功能潜力和病毒与宿主相互作用.
评估废水对热带淡水连续体病毒生态的影响.

主要方法:

从废水处理厂 (WWTP),市政道,湿地和湖水中采集的28个样本进行了基因组学分析.
对病毒社区结构,宿主协会和功能基因 (AMG,MGE,ARG) 的分析.
统计建模 (PERMANOVA,LDA,随机森林) 和与环境变量 (如氨-N) 的相关性分析.

主要成果:

在空间上不同的病毒组由Uroviricota主导,道和湿地样本的丰富性更高.
在WWTP样本中,发现了与人类相关的病毒 (crAss类菌体,Picobirnaviruses) 的丰富,这表明便污染.
病毒群体在各个区间中表现出不同的结构和生态结构 (网络分析).
氨-N 是病毒β多样性的关键驱动因素; 功能基因因因污染水平和位置而异.
废水驱动的营养丰富塑造了病毒组合,宿主协会和生态功能.

结论:

废水显著改变热带淡水系统中的病毒社区组合,宿主相互作用和功能潜力.
病毒是人类影响的敏感指标,并提供有关水质和生态系统健康的见解.
研究结果强调需要有效的废水管理,以保护受城市影响的湖泊生态系统.

关键词:

辅助代谢基因 (AMG) 是指辅助代谢基因.生态指标生态指标在Nakivubo的水域.城市淡水连续体病毒主机的互动.废水病毒组废水病毒组

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