Tolga KAHRAMAN, Beren BAŞARAN KAHRAMAN, Ghassan ISSA

Tavuk Karkaslarından İzole Edilen Salmonella spp. ve Listeria monocytogenes Prevalansı, Antimikrobiyal Direnci ve Moleküler Karakterizasyonu

Bu çalışmada Listeria monocytogenes ve Salmonella spp. prevalansı ve antimikrobiyal direnç profillerinin araştırılması amaçlandı. L. monocytogenes örneklerden izole edilmedi. Salmonella spp. toplanan 400 örneğin 32 (%8)’sinden saptandı. Antimikrobiyal direnç en sık nalidiksik asit (%100), tetrasiklin (%93.75), eritromisin (%90.6), streptomisin (%84.3), ardından kanamisin (%62.5)’de belirlendi. Ayrıca, Salmonella izolatlarının %37.5’i ESBL pozitif olarak fenotipik yöntemlerle doğrulandı. Çoklu ilaç direnci, izolatların %93.75’inde tanımlandı. Salmonella izolatlarının hepsinin qnrB ve qnrS geni, %37.5’inin ise blaTEM geni taşıdığı belirlendi.

Prevalence, Antimicrobial Resistance and Molecular Characterization of Salmonella spp. and Listeria monocytogenes Isolated from Chicken Carcass

This study aimed to investigate the prevalence of Salmonella spp. and Listeria monocytogenes, their antimicrobial resistance profile. L.monocytogenes was not isolated from any of the samples. Salmonella spp. was detected from 32 (8%) out of the 400 collected samples.Antimicrobial resistance was most frequently observed to nalidixic acid (100%), tetracycline (93.75%), erythromycin (90.6%), streptomycin(84.3%), followed by kanamycin (62.5%). Also, 37.5% of Salmonella isolates were phenotypically confirmed as ESBL producers. Multiple drugresistance was defined 93.75% of the isolates. Among the Salmonella isolates, all of them harbouring qnrB and qnrS genes and, 37.5% of thempresented blaTEM gene..

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