Plasmid-mediated TEM-3 extended-spectrum β-lactamase production in Salmonella typhimurium in Casablanca
Journal of Antimicrobial Chemotherapy, Volume 49, No. 1, Year 2002
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Isolates of extended-spectrum β-lactamase (ESBL)-producing Salmonella typhimurium were recovered from children admitted to the IbnRochd University Hospital of Casablanca in 1994. These isolates produced TEM-3 as shown by PCR, isoelectric focusing and sequencing. Production of TEM-3 and resistance to gentamicin were encoded by a 10 kb plasmid that could be transferred by conjugation and transformation. This report extends the list of ESBLs produced by S. typhimurium and stresses the need for continuous surveillance of non-typhoidal Salmonella to adapt antibiotic treatment and preventive measures.