Low level of cross-resistance between triclosan and antibiotics in Escherichia coli K-12 and E. coli O55 compared to E-coli O157

被引:87
作者
Braoudaki, M [1 ]
Hilton, AC [1 ]
机构
[1] Aston Univ, Sch Life & Hlth Sci, Birmingham B4 7ET, W Midlands, England
关键词
triclosan; resistance; Escherichia coli; antibiotic; biocide;
D O I
10.1016/j.femsle.2004.04.049
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Misuse of biocides has encouraged the emergence of resistance and cross-resistance in certain strains. This study investigated resistance of triclosan-adapted Escherichia coli K-12 and E. coli O55 to antimicrobial agents and compared these to E. coli O157:H7. Cross-resistance in E. coli K-12 and E. coli O55 was observed however to a lesser extent than in E. coli O157:H7. Triclosan-adapted E. coli K-12 demonstrated cross-resistance to chloramphenicol, whereas triclosan-adapted E. coli O55 exhibited resistance to trimethoprim. In comparison, E. coli O157:147 was resistant to chloramphenicol, tetracycline, amoxicillin, amoxicillin/clavulanic acid, trimethoprim, benzalkonium chloride and chlorohexidine suggesting strain specific rather than general resistance mechanisms. (C) 2004 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:305 / 309
页数:5
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