2008•Zhongguo yiyuan ganranxue zazhiRequires access

Drug-resistant Genes Analysis of All-resistant Acinetobacter baumannii

Xu Li

Abstract

OBJECTIVE To investigate the prevalence of drug-resistant genes in seventeen strains of all-resistant Acinetobacter baumannii.METHODS Microdilute tests were performed to detect the susceptibility of 17 A.baumannii strains to 16 kinds of antimicrobial agents and antimicrobial-resistant genes were detected by PCR methods.RESULTS Seventeen A.baumannii strains showed all-drug resistance.Genes of TEM-1,OXA-23,OXA-27,gyrA and AmpC were detected in all 17 strains of A.baumannii.The positive rates of aacC31 and PER-1 genes were 11.8% and 52.9%,respectively.CONCLUSIONS A.baumannii with multi-resistant genes of our hospital carries TEM-1,OXA-23,OXA-27,gyrA,AmpC,aacC1 and PER-1.

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Key concepts: Acinetobacter baumannii, Antimicrobial, Drug resistance, Microbiology, Biology, Gene, Multi drug resistant, Bacteria