GENOTYPIC CHARACTERIZATION OF ANTIBIOTICS RESISTANCE INTEGRONS IN EXTENDED-SPECTRUM BETA-LACTAMASE PRODUCING STRAINS OF E. COLI AND PROTEUS SPP. IN OUAGADOUGOU, BURKINA FASO
Journal Title: European Journal of Pharmaceutical and Medical Research - Year 2018, Vol 5, Issue 7
Abstract
Introduction: During the 1980s, genetic elements that could acquire or lose genes for antibiotic resistance were identified and referred to as integrons. The aim of this study was to genotypically characterize integron in extended-spectrum beta-lactamase producing E. coli and Proteus spp. strains. Materials and methods: 125 Extended Spectrum Beta Lactamases producing strains isolated from various biological products in 3 hospitals in Ouagadougou were used for this study. Isolates were subjected to antibiotic susceptibility test using the disc diffusion method: Class 1, 2 and 3 integrons investigation was performed by conventional Polymerase Chain Reaction. Results: 59.2% (74/125) strains including 61.5% (72/117) E. coli and 25% (2/8) Proteus spp. ESBL producers carried class 1 integrons. No isolates carried class 2 and / or 3 integrons. Strains carrying the resistance integrons showed 97.6% resistance to amoxicillin, 97.6% to cefotaxime, 98.4% to ceftriaxone, and 93.6% to cefepime, compared to those without integrons. Conclusion: This study revealed 59.2% of ESBLs strains which carried class 1 integrons. The link between resistance integrons and high levels of antibiotic resistance found in these strains poses a risk to public health and hence the need for increased surveillance and control of the indiscriminate use of antibiotics.
Authors and Affiliations
Dissinviel Stéphane Kpoda
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