通过随机诱变研究一株泄殖肠杆菌对可乐定的异抗性机制。

IF 3.7 3区 医学 Q2 INFECTIOUS DISEASES Journal of global antimicrobial resistance Pub Date : 2024-10-30 DOI:10.1016/j.jgar.2024.10.260
Romane Milleville, Linda Hadjadj, Jean-Marc Rolain, Sophie Alexandra Baron
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引用次数: 0

摘要

泄殖腔肠杆菌复合菌由于经常出现异抗性,对可乐定的抗性没有很好的记录。之前的研究已经考察了双组分系统 PhoP-PhoQ 及其负调控因子 mgrB 或 arnBCADTEF 操作子的作用。我们利用基因组分析和随机诱变对一株泄殖腔肠杆菌进行了研究,确定了 arnA 基因对可乐定产生抗性的分子基础。
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Study of the mechanisms of heteroresistance to colistin in a strain of Enterobacter cloacae by random mutagenesis.

Enterobacter cloacae complex belong to a group for which colistin resistance is not well documented, due to their frequent heteroresistance. Previous studies have examined the role of the two-component systems PhoP-PhoQ and its negative regulator mgrB or the arnBCADTEF operon. We investigated the molecular basis of colistin heteroresistance using genome analysis and random mutagenesis in a strain of Enterobacter cloacae and identified the arnA gene as responsible for colistin resistance.

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来源期刊
Journal of global antimicrobial resistance
Journal of global antimicrobial resistance INFECTIOUS DISEASES-PHARMACOLOGY & PHARMACY
CiteScore
8.70
自引率
2.20%
发文量
285
审稿时长
34 weeks
期刊介绍: The Journal of Global Antimicrobial Resistance (JGAR) is a quarterly online journal run by an international Editorial Board that focuses on the global spread of antibiotic-resistant microbes. JGAR is a dedicated journal for all professionals working in research, health care, the environment and animal infection control, aiming to track the resistance threat worldwide and provides a single voice devoted to antimicrobial resistance (AMR). Featuring peer-reviewed and up to date research articles, reviews, short notes and hot topics JGAR covers the key topics related to antibacterial, antiviral, antifungal and antiparasitic resistance.
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