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Multi-Drug Resistance to Salmonella spp. When Isolated from Raw Meat Products.

Joanna Pławińska-CzarnakKarolina WódzMagdalena Kizerwetter-ŚwidaJanusz BogdanPiotr KwiecińskiTomasz NowakZuzanna StrzałkowskaKrzysztof Anusz
Published in: Antibiotics (Basel, Switzerland) (2022)
Salmonella spp. is the most frequent cause of foodborne diseases, and the increasing occurrence of MDR strains is an additional and increasing problem. We collected Salmonella spp. strains isolated from meat (poultry and pork) and analysed their antibiotic susceptibility profiles and the occurrence of resistance genes. To determine the susceptibility profiles and identify MDR strains, we used two MIC methods (MICRONAUT and VITEC2 Compact) and 25 antibiotics. Phenotypic tests showed that 53.84% strains were MDR. Finally, molecular analysis strains revealed the presence of bla SHV , bla PSE-1 , bla TEM , but not bla CTX-M genes. Moreover, several genes were associated with resistance to aminoglycosides, cephalosporins, fluorochinolones, sulfonamides, and tetracyclines. This suggests that further research on the prevalence of antibiotic resistance genes (ARGs) in foodborne strains is needed, especially from a One Health perspective.
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