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Ass. Lect. Ahmed Mohamed Alhussaini Ali Abdel Rahman Hamad :: Publications:

Title:
Prevalence and Characterization of Coagulase Positive Staphylococci from Food Products and Human Specimens in Egypt
Authors: Eman E. Abdeen, Walid S. Mousa, Sarah Y. Abdelsalam, Hanim S. Heikal, Reyad R. Shawish, Mohammed Nooruzzaman, Mohamed M. Soliman, Gaber E. Batiha, Ahmed Hamad and Ahmed Abdeen
Year: 2021
Keywords: Staphylococcus aureus; antimicrobial resistance; food safety; food products; mecA gene
Journal: Antibiotics
Volume: 10
Issue: 1
Pages: 75
Publisher: MDPI
Local/International: International
Paper Link:
Full paper Ahmed Alhussaini_antibiotics-10-00075.pdf
Supplementary materials Not Available
Abstract:

Methicillin-resistant Staphylococcus aureus (MRSA) strains have veterinary and public health importance as they are responsible for a wide range of difficult to treat infections and food poisoning. Two hundred samples (50 samples each of minced meat, beef luncheon, Karish cheese, and human samples (pus swab from open wounds)) were cultured, and MRSA strains were identified using disk diffusion tests and mecA gene-based PCR. A total of 35% (70/200) of the examined samples were confirmed as coagulase-positive S. aureus in minced meat (46%), beef luncheon (44%), Karish cheese (44%), and human samples (22%). The MRSA strains showed resistance to amoxicillin (91.4%), penicillin (97.1%), cefoxitin (85.7%), cephradine (82.9%), tetracycline (57.2%), and erythromycin (52.8%). More than half of the tested S. aureus isolates harbored the mecA gene. The sequence analysis of the mecA gene from the minced meat, Karish cheese, and human samples revealed high genetic similarities between the S. aureus isolates from these sources. In conclusion, our findings indicate a risk for the transmission of the mecA gene of S. aureus across the food chain between humans and animal food products. Further studies should focus on finding additional epidemiological aspects of the MRSA strains in food chain.

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