Contributions of IMP-10 metallo-beta-lactamase, the outer membrane barrier and the MexAB-OprM efflux system to high-level carbapenem resistance in Pseudomonas aeruginosa.

Abstract excerpt

BACKGROUND: The emergence of carbapenem-hydrolyzing metallo-beta-lactamases (MBLs) is a serious threat to clinical medication of carbapenems. We evaluated the contributions of IMP-10 MBL, the outer membrane barrier and the MexAB-OprM efflux system to high-level carbapenem resistance in Pseudomonas aeruginosa clinical isolates. METHODS: MBL-producing strains were screened by ceftazidime and mercaptoacetic acid...

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