开发一种方法,使用便携式定量PCR装置在废水中快速同时检测抗生素耐药性基因
Soichiro Hirai1, Fumito Tsuzuki2, Eiji Haramoto3
1Department of Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi, 400-8511, Japan.
The Science of the total environment
|January 20, 2026
概括
一种新的便携式qPCR方法可以在20分钟内快速检测废水中的三个关键抗生素耐药性基因 (ARG). 这一进步有助于对抗微生物耐药性威胁的环境监测.
科学领域:
- 环境微生物学环境微生物学
- 分子生物学分子生物学
- 公共卫生 公共卫生
背景情况:
- 抗菌素耐药性 (AMR) 是一个全球公共卫生危机.
- 污水处理厂 (WWTP) 是抗生素耐药性基因 (ARG) 的重要储库.
- 检测ARG的常规定量PCR (qPCR) 是有效的,但耗时且需要专门的设备.
研究的目的:
- 开发一种快速,同时检测废水中的三个关键ARG (mecA,ampC,mcr-1) 的方法.
- 使用便携式qPCR设备优化三重qPCR工作流程.
- 评估该方法对ARG环境监测的有用性.
主要方法:
- 使用便携式PicoGene® PCR1100设备开发和优化三重的qPCR试验.
- 优化DNA提取和度方法,识别聚乙烯糖醇沉和QIAamp DNA迷你套件.
- 应用优化的工作流程来分析真实的废水样本.
主要成果:
- 在20分钟内,PicoGene® PCR1100检测到ARG在6.4个副本/反应以下的水平.
- 检测极限和量化极限与传统和三重 qPCR 系统相似.
- 优化的工作流成功地检测到废水样本的95%至100%的目标ARG,其度在4.6至6.5log10副本/L之间.
结论:
- 使用PicoGene® PCR1100的三重qPCR为ARG检测提供了一个快速和同时的方法.
- 这种便携式qPCR系统是有效监测废水中ARG的有效环境监测的宝贵工具.
- 该研究提供了关于ARG流行和废水趋势的见解,有助于公共卫生监测.
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