Genotyping results of Salmonella Infantis as a food poisoning agent in Turkey between 2013 and 2017
Genotyping results of Salmonella Infantis as a food poisoning agent in Turkey between 2013 and 2017
The aim of this study is to define the genotyping relationship between 31 Salmonella enterica subspecies enterica serovarInfantis (S. Infantis) strains, which were the most isolated and identified causes of food poisoning between 2013 and 2017 in Turkey.These isolated strains were studied with the DiversiLab System (repetitive sequence-based PCR; rep-PCR; bioMerieux, France) andtraditional serotyping for the identification of S. Infantis was also carried out. Totally, 31 S. Infantis isolates were genotyped. DNAwas extracted from each isolate using the Microbial DNA Isolation Kit as well as rep-PCR. The dendrogram shows the diversity of theobserved samples contained in the library with 4 main clusters of S. Infantis (26 strains) being significantly different from each otherwith a similarity of more than 95% between strains. Furthermore, it was found that the cause of almost all of these cases originatedfrom chicken or chicken-based products. Even though the isolated S. Infantis strains came from different geographical locations, aftergenotyping, their genetic profiles were found to be similar. This is the first retrospective study concerning the molecular characterizationof S. Infantis isolates obtained from food poisoning cases between 2013 and 2017 in Turkey.
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