Molecular and phenotypic characterization of enterococci isolated from broiler flocks in Turkey

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dc.contributor.authorAslantas, Ozkan
dc.date.accessioned2024-09-18T19:54:32Z
dc.date.available2024-09-18T19:54:32Z
dc.date.issued2019
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe aim of this study was to determine the antimicrobial resistance, resistance mechanisms implicated, and virulence genes (asa 1 gelE, cylA, esp, and hyl) of Enierococcus spp. isolated from broiler flocks in Turkey. In addition, clonality of ampicillin and vancomycin-resistant enterococci was also investigated using pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST). Out of 430 cloacal swab samples investigated, 336 (78.1%) Enterucoccus spp. was isolated. The most frequently identified species were E. faecalis (87.8c%), E. faecium (8.3%), E. durans (2.4%), E. casseldlavus (0.9%), and E. hirae (0.6%). The most common resistance was against tetracycline (81.30/c), erythromycin (77.1%), ciprofloxacin (56.8%), and chloramphenicol (46.4%). Fifty (14.9c%) isolates showed high-level gentamicin resistance (HLGL) phenotype. Ampicillin and vancomycin resistance were observed in 3.30/c and 1.5% of the isolates, respectively. Two hundred eighty-three isolates were positive for the presence of virulence genes. Among the virulence genes tested, only gelE, asal, esp, and cylA genes were detected. The most prevalent virulence gene was gelE (234, 69.6%), followed by asal (160, 47.6%), esp (37, 11%), and cylA (2, 0.6%). In conclusion, this study revealed that commensal enterococci from broiler flocks showed high rate of resistance to antimicrobials including clinically important antimicrobials for humans. The main underlying reason for high resistance could be attributed to the inappropriate and widespread use of antimicrobials. Therefore, there is an urgent need to develop control strategies to prevent the emergence and spread of antimicrobial resistance.en_US
dc.description.sponsorshipHatay Mustafa Kemal University Scientific Research Fund [15660]en_US
dc.description.sponsorshipThis work was supported by the Hatay Mustafa Kemal University Scientific Research Fund under Grant number of 15660.en_US
dc.identifier.doi10.1007/s11250-018-01784-z
dc.identifier.endpage1082en_US
dc.identifier.issn0049-4747
dc.identifier.issn1573-7438
dc.identifier.issue5en_US
dc.identifier.pmid30637613en_US
dc.identifier.scopus2-s2.0-85060004380en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1073en_US
dc.identifier.urihttps://doi.org/10.1007/s11250-018-01784-z
dc.identifier.urihttps://hdl.handle.net/20.500.12483/7790
dc.identifier.volume51en_US
dc.identifier.wosWOS:000468118100007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofTropical Animal Health and Productionen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAntimicrobial resistanceen_US
dc.subjectBroileren_US
dc.subjectEnterococcien_US
dc.subjectMolecular characterizationen_US
dc.subjectVirulenceen_US
dc.titleMolecular and phenotypic characterization of enterococci isolated from broiler flocks in Turkeyen_US
dc.typeArticleen_US

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