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Iranian Journal of Microbiology، جلد ۱۸، شماره ۱، صفحات ۸۲-۹۰
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عنوان انگلیسی Prophage typing of Staphylococcus aureus in traditional dairy products of Ilam, Iran
چکیده انگلیسی مقاله Background and Objectives: Antimicrobial resistance (AMR), particularly from methicillin-resistant Staphylococcus aureus (MRSA), poses a significant public health threat, exacerbated by antibiotic misuse in livestock and food production. This study aimed to evaluate the prevalence of MRSA in traditional dairy products from Ilam, Iran, and explore the role of prophages in enhancing bacterial virulence and resistance, assessing their implications for food safety. Materials and Methods: Between January and April 2021, 116 dairy samples (raw milk, traditional cheese, and toof) were collected from Ilam, Iran. Staphylococcus aureus was identified using bacteriological and molecular methods, including PCR targeting femA, mecA, and prophage markers (SGB, SGFa, SGFb). Antibiotic susceptibility was tested via the Kirby-Bauer method, and data were analyzed using SPSS. Results: S. aureus was detected in 25.9% of samples (30/116), with raw milk showing the highest contamination (57.9%). MRSA, identified by the mecA gene, was present in 6.7% of isolates, and 73.3% exhibited multidrug resistance. Prophages were found in 13.3% of isolates, with SGB linked to β-lactam resistance (p = 0.04). High resistance to doxycycline (87%) and tetracycline (67%) was observed. Conclusion: The study highlights a significant presence of MRSA and multidrug-resistant S. aureus in Ilam’s dairy products, with prophages contributing to the virulence of these bacteria. Enhanced hygiene and monitoring are crucial for mitigating food safety risks.
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نویسندگان مقاله | Ali Abbas Hashemi
Department of Microbiology, Faculty of Veterinary Sciences, Ilam University, Ilam, Iran


| Mostafa Nemati
Department of Microbiology, Faculty of Veterinary Sciences, Ilam University, Ilam, Iran


| Fazel Pourahmad
Department of Microbiology, Faculty of Veterinary Sciences, Ilam University, Ilam, Iran
نشانی اینترنتی https://ijm.tums.ac.ir/index.php/ijm/article/view/5418
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