Occurrence and characterization of Escherichia coli O157 and other serotypes in raw meat products in Morocco

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Abstract

In this study, 100 raw meat samples were collected from 15 local Moroccan butcheries in five different areas of the city of Rabat during a period of 4 months. Overall, 7 of 15 butcheries from three areas of the city yielded strains of Escherichia coli O157. Single isolates from 9 (9%) of 100 raw meat samples were biochemically and serologically confirmed as E. coli O157. Using molecular techniques, two strains were positive for the Shiga toxin, with two additional strains containing an attaching-effacing gene. All potentially virulent serotypes isolated from these meat samples showed distinct pulsed-field gel electrophoresis profiles. Based on antibiotic susceptibility testing, more than 70% of the isolates were resistant to ampicillin and clavulanic acid-amoxicillin. Moreover, one strain was resistant to more than three antibiotics. Our study represents the first survey of E. coli O157 and related serotypes in raw meat products in Morocco. Copyright ©, International Association for Food Protection.

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APA

Beneduce, L., Spano, G., Nabi, A. Q., Lamacchia, F., Massa, S., Aouni, R., & Hamama, A. (2008). Occurrence and characterization of Escherichia coli O157 and other serotypes in raw meat products in Morocco. Journal of Food Protection, 71(10), 2082–2086. https://doi.org/10.4315/0362-028X-71.10.2082

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