科威特污水中的多抗药性和广泛抗药性大肠杆菌:它们的影响
Mahdi A Redha1, Noura Al Sweih1, M John Albert1
1Department of Microbiology, College of Medicine, Kuwait University, Jabriya 46300, Kuwait.
Microorganisms
|October 28, 2023
概括
科威特的未经处理的污水含有多抗药 (MDR) 和广泛抗药 (XDR) 的大肠杆菌. 这对公共卫生构成重大风险,并使大肠杆菌感染的治疗复杂化,原因是抗菌素耐药性普遍存在.
科学领域:
- 环境微生物学环境微生物学
- 临床微生物学 临床微生物学
- 公共卫生 公共卫生
背景情况:
- 未经处理的污水排放到海洋环境中,对公众健康构成重大风险.
- 之前的研究在科威特的污水中发现了致病性大肠杆菌.
- 大肠杆菌中的抗菌素耐药性 (AMR) 是一个日益严重的全球问题.
研究的目的:
- 描述来自科威特污水中的大肠杆菌分离物的抗菌素耐药性模式.
- 识别特定的耐药性基因和机制,包括ESBL和卡巴酶生产.
- 检测有毒大肠杆菌全球克隆的存在.
主要方法:
- 对15种类型的抗生素进行抗菌敏感性测试.
- 对抗性基因的分子检测 (例如,ampC,blaTEM,blaCTX-M,blaOXA-1,blaCMY-2).
- 测试ESBL和碳酶生产;检测ST131和ST648克隆.
主要成果:
- 观察到的抗药性高率:97.1%的抗素,10.0%的抗卡巴胺,91.4%的多抗药性 (MDR) 和1.4%的广泛抗药性 (XDR).
- 抗性基因的流行,包括ampC,blaTEM,blaCTX-M,blaOXA-1和blaCMY-2在素耐药分离物中.
- 在耐卡巴胺分离物中没有检测到任何碳酶基因或生产;然而,这些分离物对其他抗生素的耐药性更高. 发现了四种全球克隆 (ST131/ST648).
结论:
- 科威特的污水是MDR和XDR大肠杆菌的储存库,包括有关全球克隆的.
- 污水中AMR的高流行率大肠杆菌对感染的有效治疗构成重大威胁.
- 需要采取紧急干预措施来管理污水和减轻抗生素耐药性的传播.
关键词:
埃舍里希亚大肠杆菌 (Escherichia coli) 是一个大肠杆菌.科威特科威特科威特科威特科威特科威特科威特科威特全球克隆人多种药物耐药性多种药物耐药性公共卫生公共卫生.污水污水处理 污水污水处理更多相关视频
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