First description of qnrS1-IncN plasmid in a ST11 Salmonella Enteritidis clinical isolate from Portugal

Antunes, Patricia; Mourão, Joana; Machado, Jorge; Peixe, Luisa

http://hdl.handle.net/10400.18/643

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Abstract(s)

The presence of qnr and qepA genes was investigated among 300 nontyphoidal Salmonella showing decreased susceptibility to ciprofloxacin obtained from different sources in Portugal (2002–2004). The qnrS1 gene was located within a conjugative IncN plasmid in a ST11 Salmonella Enteritidis strain from human origin, a serotype commonly implicated in human infections and frequently encountered in poultry.