期刊
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
卷 62, 期 5, 页码 -出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.02445-17
关键词
Pseudomonas aeruginosa; antibiotic resistance; MexEF-OprN; MexT
资金
- French Ministere de l'Enseignement Superieur et de la Recherche
- cystic fibrosis foundation Vaincre la Mucoviscidose
- cystic fibrosis foundation Gregory Lemarchal
When overproduced, the multidrug efflux system MexEF-OprN increases the resistance of Pseudomonas aeruginosa to fluoroquinolones, chloramphenicol, and trimethoprim. In this work, we demonstrate that gain-of-function mutations in the regulatory gene mexT result in oligomerization of the LysR regulator MexT, constitutive upregulation of the efflux pump, and increased resistance in clinical isolates.
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