Detection of integrons and antibiotic-resistance genes in Salmonella enterica serovar Typhimurium isolates with resistance to ampicillin and variable susceptibility to amoxicillin-clavulanate.

Abstract excerpt

We characterized 29 antimicrobial-resistant Salmonella enterica serovar Typhimurium strains, including four belonging to the monophasic variant 4,5,12:i:-, mostly isolated from infants. They were selected from 3230 strains isolated in the years 1990-2001 on the basis of resistance to ampicillin a...

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