STAPHYLOCOCCUS AUREUS FROM READY-TO-EAT FOOD AS A SOURCE OF MULTIPLE ANTIBIOTIC RESISTANCE GENES

Wioleta Chajęcka-Wierzchowska (), Anna Zadernowska () and Łucja Łaniewska-Trokenheim ()
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Wioleta Chajęcka-Wierzchowska: Industrial and Food Microbiology Department, Unversity of Warmia and Mazury in Olsztyn
Anna Zadernowska: Industrial and Food Microbiology Department, Unversity of Warmia and Mazury in Olsztyn
Łucja Łaniewska-Trokenheim: Industrial and Food Microbiology Department, Unversity of Warmia and Mazury in Olsztyn

CBU International Conference Proceedings, 2017, vol. 5, issue 0, 1108-1112

Abstract: The emergence of antibiotic-resistant strains of S. aureus such as methicillin-resistant S. aureus (MRSA) is a worldwide problem. Ready-to-eat (RTE) food which does not need thermal processing before consumption could be a vehicle for the spread of antibiotic-resistant microorganisms. The present study evaluated the molecular genetic characteristics (RAPD) and pheno- and genotypical antimicrobial resistance profile of S. aureus isolated from 75 RTE food samples (sushi, hamburgers, salads). All of the isolates (n=32) were resistant to at least one class of antibiotic tested of which 75% strains were classified as multidrug resistant. Most of the isolates were resistant to cefoxitin (87,5%) followed by clindamycin (78,1%), tigecycline and quinupristin/dalfopristin (53,1%). All methicillin resistant staphylococci harbored mecA gene. Among tetracycline resistance isolates all of them harbored at least one gene: tet(M), tet(L) and/or tet(K) and 78,9% of them were positive for the Tn916/Tn1545-like integrase family gene. Our results indicated that retail RTE food could be considered an important route for transmission of antibiotic resistant staphylococci harboring multiple antibiotic resistance genes.

Keywords: antibiotic resistanceStaphylococcus aureus; antibiotic resistance genes; MRSA (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:aad:iseicj:v:5:y:2017:i:0:p:1108-1112

DOI: 10.12955/cbup.v5.1079

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