Dissemination of CTX-M-Type Extended-Spectrum β-Lactamase Genes to Unusual Hosts
- 1 August 2005
- journal article
- Published by American Society for Microbiology in Journal of Clinical Microbiology
- Vol. 43 (8), 4183-4185
- https://doi.org/10.1128/jcm.43.8.4183-4185.2005
Abstract
A Citrobacter amalonaticus and a Morganella morganii producing the CTX-M-1 extended-spectrum β-lactamase (ESBL) were isolated from an area where this enzyme is now widespread in Escherichia coli . This is the first report of CTX-M-1 in the former species. In both cases the ESBL determinant was possibly acquired by these unusual hosts in vivo, after coinfection with E. coli strains carrying conjugative plasmids encoding CTX-M-1.Keywords
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