JAC Advance Access originally published online on July 21, 2008
Journal of Antimicrobial Chemotherapy 2008 62(5):1150-1151; doi:10.1093/jac/dkn300
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© The Author 2008. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Research letters |
The blaCTX-M-1 gene located in a novel complex class I integron bearing an ISCR1 element in Escherichia coli isolates from Zhenjiang, China
Department of Microbiology and Immunology, Institute of Clinical Laboratory Medicine, Jiangsu University, Zhenjiang 212013, China
* Corresponding author. Tel: +86-511-5038140; Fax: +86-511-5038449; E-mail: xuhx@ujs.edu.cn or szl30@yeah.net
Keywords: E. coli , unusual class 1 integron , extended-spectrum β-lactamases , ESBLs
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Sir,
CTX-M enzymes include more than 60 variants belonging to five different clusters (CTX-M-1, CTX-M-2, CTX-M-8, CTX-M-9 and CTX-M-25) according to their amino acid sequence.1 In recent years, CTX-M enzymes have become the most prevalent extended-spectrum β-lactamases (ESBLs), both in nosocomial and in community
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