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Screening of Food-borne Staphylococcus aureus and E. coli Pathogens in Artisanal White Soft Cheese in Delta Region, Egypt
Faculty
Veterinary Medicine
Year:
2023
Type of Publication:
ZU Hosted
Pages:
Authors:
Salah Fathy Ahmed Abdelaal
Staff Zu Site
Abstract In Staff Site
Journal:
Journal of Advanced Veterinary Research Zagazig university
Volume:
Keywords :
Screening , Food-borne Staphylococcus aureus , , coli Pathogens
Abstract:
Staphylococcus aureus is considered as one of the leading causes of food-intoxication and on the other hand E. coli and particularly, Shiga toxin (ST) producing Escherichia coli (STEC) have emerged as important food-borne enteropathogens frequently associating serious to fatal disorders in humans and both species have shown to be resistant to a wide spectrum of antibiotics. The current study was performed to determine the prevalence of two common food-borne pathogens: Staphylococcus aureus (S. aureus) and Escherichia coli(E. coli ) in white soft cheese being one of the most popular dairy products in Egypt. A total 150 samples of soft cheese were purchased from the market and were microbiologically tested. The S. aureus isolates were identified according to recommended biochemical tests, and polymerase chain reaction (PCR) targeting the nuc gene, as a species-specific marker gene for S. aureus. Meanwhile, E. coli isolates were identified based on biochemical tests, serological tests, haemolytic activity, and multiplex PCR. This has been done to assess capability of producing STs based on targeting stx1 and stx2 genes. Result revealed that S. aureus and E. coli were observed in 66.66% and 36% of samples, respectively. The antimicrobial resistance of isolates was phenotypically investigated against eleven different antibiotics and results showed the presence of a variable multidrug-resistance among isolates against selected antibiotics. These findings highlighted the importance of periodical screening of food-borne pathogens in artisanal products due to lack of strict hygienic measures in markets; the reason that facilitate the contamination of such artisanal products by several food-borne patho-gens
Author Related Publications
Salah Fathy Ahmed Abdelaal, "Presence and Activity of Psychrotrophic Bacteria in Raw Cow's Milk and Some Dairy Products.", zagazig vetrinary, 2008
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Salah Fathy Ahmed Abdelaal, "MRSA detection in raw milk, some dairy products and hands of dairy workers in Egypt, a mini-survey", Elsevier, 2013
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Salah Fathy Ahmed Abdelaal, "المحتوي الأولي لبقايا المعادن الثقيلة في لبن الأبقار الخام و توزيعها في بعض منتجات الألبان.", مجلة الزقازيق الطبية البيطرية 2005م, 2005
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Salah Fathy Ahmed Abdelaal, "تواجد الميكروبات المحبة للبرودة في اللبن المباع بحافظة الشرقية.", مجلة الزقازيق الطبية البيطرية 2005م., 2005
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Salah Fathy Ahmed Abdelaal, "تواجد الميكروبات المحللة للبروتين في اللبن وبعض منتجاته.", مجلة الزقازيق الطبية البيطرية 2005م, 2005
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Department Related Publications
Salah Fathy Ahmed Abdelaal, "Presence and Activity of Psychrotrophic Bacteria in Raw Cow's Milk and Some Dairy Products.", zagazig vetrinary, 2008
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Mohammed Ezzat Ahmed Elsayed , "Characterization of different food‐isolated Enterococcus strains by MALDI‐TOF mass fingerprinting", USC-Spain, 2013
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Mohammed Ezzat Ahmed Elsayed , "Genetic discrimination of food-borne pathogenic and spoilage Bacillus spp. based on three housekeeping genes", Department of Analytical Chemistry, Nutrition and Food Science, School of Veterinary Sciences/College of Biotechnology, University of Santiago de Comp, 2015
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Eman Nabil Abdelfatah Mohammed, "Assessment of heavy metals content of some types of edible eggs in Sharkia, Egypt", First International Conference of Impact of Environmental Hazards on Food Safety, 2014
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