Chahboune, M. and Chahlaoui, A. and Zaid, A. and Moussa, A.B. and Aboulkacem, A. and Bouchrif, B. (2014) Prevalence and virulence genes of Salmonella isolated from surface waters of the Hassan II dam and its main tributaries (Midelt province, Morocco) Prévalence et gènes de virulence des salmonelles dans les eaux superficielles du barrage Hassan II et de ses affluents (province de Midelt, Maroc). Environnement, Risques et Sante, 13 (3). pp. 244-255.

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Abstract

This study sought to assess fecal contamination and to estimate the prevalence, antibiotic susceptibility and distribution of serotypes and virulence genes of Salmonella in the surface water of the Hassan II dam and its two main tributaries, the Moulouya and Ansegmir wadis, all located in the Midelt province (Morocco). In total, 126 samples were collected during the study period from September 2011 to August 2012 at a rate of one sample per sampling site per month. Salmonella was tested for in 69 samples, and positive in one, from the Moulouya tributary, for a prevalence of 1.45. The serotype isolated was Salmonella Kentucky, a strain that was resistant to multiple antibiotics, including cipro fl oxacin, representing the class of fluoroquinolone antibiotics used in humans for first-line treatment of severe salmonellosis in adults. The isolated strain was positive for the InvA invasion gene, but did not carry the spvC virulence gene. The heavy load of Escherichia coli and intestinal enterococci associated with the isolation of a strain of Salmonella in the water of the Moulouya River is a real risk to the health of users.

Item Type: Article
Uncontrolled Keywords: ciprofloxacin; surface water, antibiotic sensitivity; article; bacterial virulence; Escherichia coli; Morocco; nonhuman; prevalence; Salmonella; salmonellosis; serotype; water contamination
Subjects: Environmental Science
Divisions: SCIENTIFIC PRODUCTION > Environmental Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/3564

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