Interplay between chromosomal β-lactamase and the MexAB-OprM efflux system in intrinsic resistance to β-lactams in Pseudomonas aeruginosa

被引：82

作者：

Masuda, N

Gotoh, N

Ishii, C

Sakagawa, E

Ohya, S

Nishino, T

机构：

[1] Sankyo Co Ltd, Biol Res Labs, Shinagawa Ku, Tokyo 1408710, Japan

[2] Kyoto Pharmaceut Univ, Dept Microbiol, Kyoto 6078414, Japan

来源：

ANTIMICROBIAL AGENTS AND CHEMOTHERAPY | 1999年 / 43卷 / 02期

关键词：

D O I：

10.1128/AAC.43.2.400

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

We investigated the role of chromosomal beta-lactamase and the MexAB-OprM efflux system in intrinsic resistance to beta-lactams in Pseudomonas aeruginosa. Determination of the susceptibilities of a series of isogenic mutants with impaired production of the beta-lactamase and the efflux system to 16 beta-lactams including penicillins, cephems, oxacephems, carbapenems, and a monobactam demonstrated that the intrinsic resistance of P. aeruginosa to most of the beta-lactams is due to the interplay of both factors.

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收藏

页码：400 / 402

页数：3

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