Detection Of O25b-ST131 Clone, Ctx-M-1 And CTX-M-15 Genes Via Real-Time PCR İn Escherichia Coli Strains İn Patients With Utıs Obtained From A University Hospital İn Istanbul

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dc.authorid243533en_US
dc.authorid107955en_US
dc.authorid194561en_US
dc.contributor.authorDemirci, Mehmet
dc.contributor.authorÜnlü, Özge
dc.contributor.authorİstanbullu Tosun, Ayşe
dc.date.accessioned2019-12-30T11:22:03Z
dc.date.available2019-12-30T11:22:03Z
dc.date.issued2019
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractBackground Escherichia coli sequence type 131 is an important multidrug resistant clone responsible from more than half of ESBL-producing E.coli isolates. Aim of this study was to investigate the presence of O25b-ST131 clone, CTX-M-15 and CTX-M-1 genes in the E. coli strains isolated from both hospital and community acquired UTIs by real-time PCR and to reveal molecular epidemiological data. Methods Non-duplicate E. coli (n?=?101) strains isolated from UTI patients were included. Bacterial identifications were performed with VITEK Compact. Antimicrobial susceptibility tests, phenotypic ESBL and E-tests were performed conventionally. Real-time PCR was utilized to detect presence of O25b-ST131 clone, blaCTX-M-15 and blaCTX-M-1. Results O25b-ST131 clone, CTX-M-1 and CTX-M-15 were detected in 22%, 73%, 37% in UTIs, respectively. Presence of O25b-ST131 clones and CTX-M-1 genes among E. coli strains isolated from inpatients were found statistically higher than outpatients. The most effective choice was found to be fosfomycin and nitrofurantoin in outpatients and inpatients, respectively. The MIC90 values of Amikacin, Cefotaxime, Cefepime and Ciprofloxacin were higher in inpatients than in oupatients, whereas Cefotaxime and Ciprofloxacin MIC50 values were found to be higher in inpatients than in outpatients. The highest increase of MIC90 values was observed in O25b-ST131, CTX-M-1 and CTX-M-15 coexistence. Conclusion The presence of O25b-ST131 clone, CTX-M-1 and CTX-M-15 genes in E. coli strains in patients with UTI has been revealed. In the presence of the O25b-ST131 clone, a significant increase was observed in the ciprofloxacin MIC values indicating the importance of monitorization of the clone using molecular epidemiology.en_US
dc.identifier.citationJournal of Infectionand Public Health 12 (2019 )640–644en_US
dc.identifier.doi10.1016/j.jiph.2019.02.017
dc.identifier.issn1876-0341
dc.identifier.pmid30826300en_US
dc.identifier.scopus2-s2.0-85061978281en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jiph.2019.02.017
dc.identifier.wosWOS:000484679000009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier BVen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectO25b-ST131en_US
dc.subjectEscherichia colien_US
dc.subjectUTIen_US
dc.subjectCTX-M-15en_US
dc.subjectReal-time PCRen_US
dc.titleDetection Of O25b-ST131 Clone, Ctx-M-1 And CTX-M-15 Genes Via Real-Time PCR İn Escherichia Coli Strains İn Patients With Utıs Obtained From A University Hospital İn Istanbulen_US
dc.typeArticleen_US

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