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https://open.uns.ac.rs/handle/123456789/3866
Nаziv: | Prevalence and molecular characterization of enterotoxin-producing strains of staphylococcus aureus isolated from serbian dairy cows | Аutоri: | Pajić, Miloš Boboš S. Velebit B. Rašić Z. Katić, Vladimir Radinović, Miodrag Nikolić, Aleksandar Simonović D. Babić, Mladen |
Dаtum izdаvаnjа: | 1-дец-2016 | Čаsоpis: | Acta Veterinaria | Sažetak: | Staphylococcus aureus is known worldwide as a frequent cause of mastitis in dairy cattle. Due to the production of heath resistant enterotoxins, this pathogen is also a major cause of food poisoning among humans, with symptoms of often severe vomiting and diarrhea. The aim of our study was to determine the prevalence of enterotoxinproducing strains of S. aureus originating from samples of cows with subclinical and clinical mastitis in the Republic of Serbia. Furthermore, we analyzed the type of staphylococcal enterotoxin they produce and phylogenetic relatedness among the S. aureus isolates recovered from milk in this study. Production of staphylococcal enterotoxins A, B, C, D and E was determined by commercial immunoenzyme assay VIDAS® SET2, and presence of corresponding genes encoding enterotoxin synthesis in positive isolates confirmed by Polymerase Chain Reaction. Enterotoxin production was determined in 5 out of 75 (6.67%) isolates of S. aureus and all of them produced staphylococcal enterotoxins C. After analyzing the nucleotide sequence of the gene encoding the synthesis of staphylococcal protein A, S. aureus isolates were assigned into 2 phylogenetic groups, including 7 clusters. All S. aureus isolates with the presence of sec gene formed one cluster even dough they originated from milk samples from different farms. | URI: | https://open.uns.ac.rs/handle/123456789/3866 | ISSN: | 05678315 | DOI: | 10.1515/acve-2016-0040 |
Nаlаzi sе u kоlеkciјаmа: | POLJF Publikacije/Publications |
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