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[ Article ] Phenotypic and Genotypic Characterization of Extended Spectrum β-Lactamase Klebsiella pneumoniae and Fluorescent Pseudomonas spp. Strains from Market Garden Products and Their Watering Water in Benin (West Africa)

Date de soumission: 15-02-2018
Année de Publication: 2016
Entité/Laboratoire Laboratoire de Biologie et du Typage Moléculaire en Microbiologie (LBTMM)
Document type : Article
Discipline(s) : Biochimie, biophysique & Biologie Moléculaire
Titre Phenotypic and Genotypic Characterization of Extended Spectrum β-Lactamase Klebsiella pneumoniae and Fluorescent Pseudomonas spp. Strains from Market Garden Products and Their Watering Water in Benin (West Africa)
Auteurs Moussé, Wassiyath [1], Noumavo Agossou Daniel Pacôme [2], CHABI NICODÈME WOROU [3], Sina Haziz [4], Tohoyessou Majoie G. [5], Ahoyo Théodora A. [6],
Journal: Food and Nutrition Sciences
Catégorie Journal: Internationale
Impact factor: 0.639
Volume Journal:
DOI: 10.4236/fns.2016.73021
Resume Market garden products can carry several types of microorganisms, and their consumption is the source of many cases of food poisoning. This work aimed to improve food safety in Benin. In characterizing strains of K. pneumoniae and fluorescent Pseudomonas spp. at the biochemical and molecular level, the target was to identify contaminated watering water and garden products sold during Cotonou in both the dry and rainy seasons. A total of 164 samples of market garden products and 22 samples of watering water were investigated. The results showed that 5.91% of market garden products and watering water were contaminated by K. pneumoniae and 20.43% by fluorescent Pseudomonas spp. During the dry season, cabbage was most contaminated by fluorescent Pseudomonas spp. (50%). Pool water was more contaminated with K. pneumoniae (17%). All isolated strains were resistant to both amoxicillin and penicillin. All strains of K. pneumoniae and fluorescent Pseudomonas spp. were not resistant to imipenem, and 22% of them produced penicillinase. Among the 49 strains producing penicillinase isolated, 64.29% and 21.43% carried blaTEM and blaSHV respectively while 14.28% carried blaCTX-M genes. In light of the previously-developed results and considering the importance of horticultural products in Beninese food habits, we must improve national awareness of the risk for foodborne illness.
Mots clés Vegetables, Klebsiella pneumoniae, Fluorescent Pseudomonas spp., β-Lactamases, Food Safety
Pages 192 - 204
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