First detection of Shiga toxin-producing Escherichia coli in shellfish and coastal environments of Morocco |
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| Authors: | Bennani Mohamed Badri Samira Baibai Tarik Oubrim Nadia Hassar Mohammed Cohen Nozha Amarouch Hamid |
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| Institution: | (1) Laboratoire de Microbiologie et d‘Hygi?ne des Aliments et de l’Environnement, Institut Pasteur du Maroc, Casablanca, Morocco;(2) Laboratoire de Physiologie et de g?n?tique mol?culaire, D?partement de Biologie, Facult? des Sciences Ain Chock Casablanca, Casablanca, Morocco;(3) Laboratoire de Microbiologie, D?partement de Biologie, Facult? des Sciences Ain Chok Casablanca, Universit? Hassan II. Morocco, Casablanca, Morocco |
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| Abstract: | Shiga toxin Escherichia coli (STEC), also called verotoxin-producing E. coli, is a major cause of food-borne illness, capable of causing hemorrhagic colitis and hemolytic–uremic syndrome (HUS). This
study was carried out to evaluate the presence of (STEC) and E. coli O157:H7 in shellfish and Mediterranean coastal environments of Morocco. The contamination of shellfish and marine environment
with Shiga toxin-producing E. coli (STEC) and E. coli O157:H7, was investigated during 2007 and 2008. A total of 619 samples were analyzed and 151 strains of E. coli were isolated. The presence of the stx1, stx2, and eae genes was tested in E. coli isolates strains using a triplex polymerase chain reaction. STEC was detected in three positives samples (1.9%), corresponding
to the serotype O157:H7, the others Shiga toxin-producing E. coli non-O157 were also detected. |
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