Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6130213 | Clinical Microbiology and Infection | 2014 | 9 Pages |
Abstract
The rise of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli in food-producing animals is a growing concern for public health. We investigated ESBL producers isolated from broiler chickens in Brazil and characterized 19 CTX-M-2-producing E. coli. The ISCR1 was detected upstream of the chromosome-located gene blaCTX-M-2, associated with sul-1 type integron structure. CTX-M-2-producing E. coli exhibited different PFGE-types and phylogenetic groups, showing a non-clonal dissemination. The sequence types found (ST93, ST155 and ST2309) have been associated with humans and animals worldwide. Herein, we report the chromosomal location of blaCTX-M-2 on E. coli, highlighting the risks of multidrug-resistant bacteria in food-producing animals.
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Authors
J.C. Ferreira, R.A.C. Penha Filho, L.N. Andrade, A. Jr, A.L.C. Darini,