高吞吐量测序揭示了饮用水分配系统中的细菌多样性和社区结构的变化
Yoshihiko Koizumi1,2, Tomoaki Ichijo3,4, Kimiko Uchii5
1Environmental Health Section, Osaka Institute of Public Health.
Journal of microorganism control
|June 6, 2023
概括
了解饮用水中的细菌社区结构对于质量管理至关重要. 这项研究跟踪了水处理和分配期间的微生物变化,确定了微生物控制的关键指标细菌.
科学领域:
- 微生物学 微生物学
- 环境科学 环境科学
- 水质管理水质管理
背景情况:
- 有效的微生物水质管理需要精确的细菌鉴定和社区结构分析.
- 了解水处理和分配过程中的微生物动态对于确保安全饮用水至关重要.
研究的目的:
- 分析水净化和分配过程中细菌社区结构的变化.
- 识别潜在的指标细菌,用于监测饮用水分配系统中的微生物控制.
主要方法:
- 使用便携式MinION测序器进行16S rRNA基因扩增子测序.
- 在缓慢过水处理设施的分配系统中分析细菌群落.
- 追踪微生物从摄入水向终端自来水的转移.
主要成果:
- 在化后,微生物多样性显著下降.
- 细菌属级别的多样性在分布过程中增加,并持续到水龙头.
- 耶尔西尼亚,Aeromonas和Legionella被化减少,而斯芬戈蒙纳斯,Starkeya和Methylobacterium成为主导的.
结论:
- 化有效地减少了特定的细菌种群,如Yersinia,Aeromonas和Legionella.
- 斯芬哥马纳斯,Starkeya和Methylobacterium显示出作为饮用水质量监测指标细菌的潜力.
- 这项研究提供了有关饮用水分配系统中的细菌社区动态的见解.
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