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.
期刊最新文献
Refining the gut colonization Zophobas morio larvae model using an oral administration of multidrug-resistant Escherichia coli. From Forgotten Cure to Modern Medicine: The Resurgence of Bacteriophage Therapy. Rapid immunochromatographic detection of carbapenemases directly from positive blood cultures in patients colonized by carbapenemase-producing bacteria. Study of the mechanisms of heteroresistance to colistin in a strain of Enterobacter cloacae by random mutagenesis. Integral genomic description of blaNDM-5-harbouring plasmids recovered from Enterobacterales in Argentina.
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