Investigation of the Antimicrobial Susceptibility Profile, Virulence Genes, and Epidemiologic Relationship of Clinical Salmonella Isolates

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dc.contributor.authorTekintas, Yamac
dc.contributor.authorYilmaz, Fethiye Ferda
dc.contributor.authorAydemir, Sabire Sohret
dc.contributor.authorTunger, Alper
dc.contributor.authorHosgor-Limoncu, Mine
dc.date.accessioned2019-10-27T10:04:01Z
dc.date.available2019-10-27T10:04:01Z
dc.date.issued2018
dc.departmentEge Üniversitesien_US
dc.description.abstractObjectives: The objectives of this study were to investigate the epidemiologic relationship, prevalence of the beta-lactamase and virulence genes of clinical ampicillin-resistant Salmonella enterica. Materials and Methods: In vitro ampicillin susceptibilities of 117 Salmonella enterica isolates obtained between 2011-2012 from Ege University Hospital, Bacteriology Laboratory of Medical Microbiology Department were examined using disc diffusion assays in accordance with the CLSI guidelines. The MIC levels in the ampicillin-resistant bacteria were determined using the broth microdilution method. The resistant strains were serotyped by the Public Health Institution. Epidemiologic relations of resistant strains were evaluated using ERIC-PCR. The presence of betalactamase genes and virulence factors were detected using PCR. Results: The 117 S. enterica strains had ten isolates that were resistant to ampicillin, and the MIC range of ampicillin was found as 512-128 mu g/mL. Ampicillin-resistant strains were susceptible to nalidixic acid, ciprofloxacin, cefotaxime, sulfamethoxazole/trimethoprim. Four different serotypes were identified and isolates were grouped into seven clusters. Five isolates carried bla(TEM), and two carried the bla(CTX-M) gene. However, it was determined that bla(SHV) and bla(PER) genes did not exist in these strains. Virulence genes invA, pipD, and sopB were found in all isolates. sifA, pefA, and sopE genes were found in seven, four, and three isolates, respectively. Conclusion: Our data suggest that the rate of ampicillin resistance in S. enterica isolates was 8.5% in the two year period, but this ratio was generally lower than rates abroad. bla(CTX-M) and bla(TEM) genes could be responsible for ampicillin resistance. The bla(SHV) gene, which is highly prevalent in our country, was not found in any strains. sopB and pipD genes, which might be associated with beta-lactam resistance, were found in all strains. It is also noteworthy that the three isolates containing the sopE gene, which is associated with epidemic cases, were of the same serotypes and epidemiologic clusters.en_US
dc.identifier.doi10.4274/tjps.32559
dc.identifier.endpage211en_US
dc.identifier.issn1304-530X
dc.identifier.issn1304-530Xen_US
dc.identifier.issue2en_US
dc.identifier.startpage207en_US
dc.identifier.urihttps://doi.org/10.4274/tjps.32559
dc.identifier.urihttps://hdl.handle.net/11454/30188
dc.identifier.volume15en_US
dc.identifier.wosWOS:000438973100014en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherTurkish Pharmacists Assocen_US
dc.relation.ispartofTurkish Journal of Pharmaceutical Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSalmonella entericaen_US
dc.subjectbeta-lactamaseen_US
dc.subjectvirulence factorsen_US
dc.subjectERIC-PCRen_US
dc.titleInvestigation of the Antimicrobial Susceptibility Profile, Virulence Genes, and Epidemiologic Relationship of Clinical Salmonella Isolatesen_US
dc.typeArticleen_US

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