Open AccessDetection, identification and characterization of extended-spectrum beta-lactamases producing Enterobacteriaceae in wastewater and salads marketed in Ouagadougou, Burkina Faso
Author(s) -
Souleymane Soré,
Yacouba Sawadogo,
Juste Isidore Bonkoungou,
Sephora P. Kaboré,
Saidou Béogo,
Charles Sawadogo,
Boubié G. Bationo,
Hervé Ky,
Patrick Djim-Madjim Madingar,
Abdoul Salam Ouédraogo,
Idrissa Sanou
Publication year - 2020
Publication title -
international journal of biological and chemical sciences
Language(s) - English
Resource type - Journals
eISSN - 1997-342X
pISSN - 1991-8631
DOI - 10.4314/ijbcs.v14i8.8
Subject(s) - cefotaxime , clavulanic acid , ceftazidime , microbiology and biotechnology , enterobacteriaceae , klebsiella pneumoniae , amoxicillin , multiple drug resistance , wastewater , biology , veterinary medicine , medicine , drug resistance , antibiotics , escherichia coli , bacteria , environmental engineering , biochemistry , genetics , gene , pseudomonas aeruginosa , engineering
Extended spectrum beta-lactamase producing Enterobacteriaceae (ESBL-PE) represent a threat for failure of empirical antibiotic therapy and are associated with high mortality, morbidity and expenses. The aims of this study was to determine the prevalence of ESBL-PE and multidrug resistant enterobacteria (MDR), enterobacteria profil, investigate the associated resistance in wastewater and salads. After wastewater and salad sampling, enterobacteria was isoled on (EMB + 4μg / L cefotaxim). The stains of Enterobacteriaceae were identified by using biochemical methods and confirmed as ESBL by double-disc synergy test (amoxicillin/clavulanic acid with cefotaxime 30 μg, ceftazidime 30 μg and ceftriaxone 30 μg). Finally, the associated resistance was investigated by testing the susceptibility of the strains by the disc diffusion method. Global prevalence of ESBL-PE was 53.92% (95% CI: 48,2-59,5) (153/293), 61.11% from wastewater and 42.47% from salads. Major ESBL-E was Escherichia coli (73.44%), followed by Klebsiella pneumoniae (21.88%). Resistance to the aminoglycoside , fluroquinolonones and sulfonamides classes were dominant, observed in 53,83%, 93,86% and 98,95% of the isolates, respectively. The frequence of MDR was hight to channel1 (32,40%) and channel2 (26,26%). This study reports very worrying results. There is an urgent need to develop measures to monitor the spread of these multidrug-resistant strains.Keywords: Wastewater, ESBL-PE, Salads, Ouagadougou.