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Sep 10, 2014Keywords:
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Molecular Characterization of the Resistance of Mycobacterium tuberculosis to Second Line Drugs in Côte d’Ivoire
Abstract
Purpose: To characterize the resistance of Mycobacterium tuberculosis to second line drugs using a line probe assay.
Methods: Multi-drug resistant strains of Mycobacterium tuberculosis isolated between December 2008 and December 2009 were tested for resistance to fluoroquinolones and second-line injectable drugs using GenoType® MTBDRsl.
Results: Thirty eight strains gave interpretable results. None of them had a mutation in the gyrA gene. Regarding second-line injectable drugs, 4 strains (11 %) were resistant to aminoglycosides/ capreomycin and all of them harbored A1401G mutation.
Conclusion: No extensive drug resistant strains were observed. A relatively high proportion of strains were resistant to at least one second-line injectable drug. Resistance mechanism seemed similar for all of them.
Keywords: Mycobacterium tuberculosis, Line probe assay, GenoType® MTBDRsl, Aminoglycosides Capreomycin, Mutation
