期刊
JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY
卷 59, 期 6, 页码 1210-1215出版社
OXFORD UNIV PRESS
DOI: 10.1093/jac/dkl509
关键词
permeability; intrinsic resistance; A. baumannii
Acinetobacter baumannii is an opportunistic pathogen, causing infections mainly in patients in intensive care units where the extensive use of antimicrobial agents can select for the emergence of multiresistant strains. In fact, since strains resistant to all antimicrobial agents have been reported, A. baumannii is considered the paradigm of multiresistant bacteria. Both acquired and intrinsic resistance can contribute to multi resistance. The ability to acquire multidrug resistance can be due to either the acquisition of genetic elements carrying multiple resistant determinants or mutations affecting the expression of porins and/or efflux pump(s), which can affect unrelated antimicrobial agents. Meanwhile, intrinsic resistance can be generated by the interplay of decreased permeability and constitutive expression of active eff lux systems and it too can affect unrelated antimicrobial agents. This review is focused on the current knowledge of porins and eff lux pump(s) in this microorganism.
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