Sheep as an important source of E-coli O157/O157:H7 in Turkey

dc.contributor.authorGencay, Yilmaz Emre
dc.date.accessioned2020-06-25T18:12:09Z
dc.date.available2020-06-25T18:12:09Z
dc.date.issued2014
dc.departmentKırıkkale Üniversitesi
dc.descriptionGencay, Yilmaz Emre/0000-0002-2154-9663
dc.description.abstractEscherichia coli O157:H7 is a globally important foodborne pathogen and has been mainly associated with cattle as the reservoir. However, accumulating data shows the importance of sheep as an E. coli O157:H7 vehicle. The presence of E. coli O157/O157:H7 in recto-anal mucosal swap and carcass sponge samples of 100 sheep brought to the slaughterhouse in Kirikkale were analyzed over a year. Molecular characteristics (stx(1), stx(2), eaeA, hly, lpfA1-3, espA, eae-alpha 1, eae-alpha 2, eae-beta, eae-beta 1, eae-beta 2, eae-gamma 1, eae-gamma 2/theta, stx1(c),stx1(d), Stx2(c), stx2(d), stx2(e), stx2(f), stx2(g), bla(ampC), tet(A), tet(B), tet(C), tet(D), tet(E), tet(G), sul1, sul2, floR, cmlA, strA, strB and aadA) of 79 isolates were determined and minimum inhibitory concentrations of 20 different antibiotics were investigated. E. colt O157/O157:H7 was found in 18% of sheep included in the study and was more prevalent in yearlings than lambs and mature sheep, and male than female sheep, though none of the categories (season, sex or age range) had significant effect on prevalence. Furthermore, Shiga-toxigenic E. colt (STEC) O157:H7 was determined in 2% and 8% of sheep feces and carcasses, respectively. Additionally, lpfA1-3 and eae-gamma 1 were detected in all isolates. None of the isolates showed resistance against investigated antibiotics, even though 4 sorbitol fermenting E. colt O157 isolates were positive for tet(A), sul1 and aadA. This is the first study in Turkey that reveals the potential public health risk due to the contamination of sheep carcasses with potentially highly pathogenic STEC O157:H7 strains. (C) 2014 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.vetmic.2014.06.014
dc.identifier.endpage595en_US
dc.identifier.issn0378-1135
dc.identifier.issn1873-2542
dc.identifier.issue3-4en_US
dc.identifier.pmid25042529
dc.identifier.scopus2-s2.0-84904736938
dc.identifier.scopusqualityQ1
dc.identifier.startpage590en_US
dc.identifier.urihttps://doi.org/10.1016/j.vetmic.2014.06.014
dc.identifier.urihttps://hdl.handle.net/20.500.12587/5760
dc.identifier.volume172en_US
dc.identifier.wosWOS:000340692900034
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Science Bven_US
dc.relation.ispartofVeterinary Microbiology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSTEC O157:H7en_US
dc.subjectSheepen_US
dc.subjectPrevalenceen_US
dc.subjectCarcassen_US
dc.subjectVirulenceen_US
dc.subjectAntibiotic resistanceen_US
dc.titleSheep as an important source of E-coli O157/O157:H7 in Turkeyen_US
dc.typeArticle

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