Adaptive resistance to Biocides and implications of cross-resistance to Antimicrobial Agents in Foodborne Pathogens.

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2003-01-01
Authors
Braoudaki, M.
Hilton, A.
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This study was focused on the potential for adaptive resistance in Salmonella and Escherichia coli to commonly used biocides, to identify resistance strategies and any cross-resistance to antibiotics. Bacteria were serially exposed in sub-inhibitory concentrations of biocides and adaptive resistance was observed in all strains investigated. Erythromycin-resistant Salm. Enteritidis did not cross-resist to biocides, whereas erythromycin-resistant Salm. Typhimurium express cross-resistance to chlorohexidine. Benzalkonium chloride-resistant Salm. Virchow showed an elevated resistance to chlorohexidine, however chlorohexidine-resistant Salm. Virchow did not demonstrate it back.

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