Performance assessment of the GenoType MTBDRsl test and DNA sequencing for detection of second-line and ethambutol drug resistance among patients infected with multidrug-resistant Mycobacterium tuberculosis.

Abstract excerpt

The GenoType MTBDRsl test and DNA sequencing were used to rapidly detect second-line drug- and ethambutol (EMB)-resistant Mycobacterium tuberculosis. The ability of these two assays to detect the presence of mutations associated with resistance to fluoroquinolones (FLQ), aminoglycosides/cyclic peptide (AG/CP), and EMB in the gyrA, rrs, and embB genes (for the GenoType MTBDRsl test) and gyrA, gyrB, rrs, eis, embC,...

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