Detection of rifampin resistance in Mycobacterium tuberculosis by use of a rapid, simple, and specific RNA/RNA mismatch assay - PubMed (original) (raw)

Detection of rifampin resistance in Mycobacterium tuberculosis by use of a rapid, simple, and specific RNA/RNA mismatch assay

K A Nash et al. J Infect Dis. 1997 Aug.

Abstract

An adaption of an RNA/RNA duplex, base pair-mismatch assay is capable of detecting rifampin resistance in Mycobacterium tuberculosis. The specificity and sensitivity of the mismatch assay in detecting rifampin resistance were 100% and 96%, respectively, when tested against 46 rifampin-resistant and rifampin-susceptible strains of M. tuberculosis. By use of a range of mycobacterial and nonmycobacterial prokaryote pathogens, the mismatch assay was shown to be specific for M. tuberculosis and Mycobacterium bovis. The assay is cost-effective compared with DNA sequencing and other molecular methods and is simple to perform and interpret. Furthermore, the assay can return a result within 24 h after receipt of an isolated organism and potentially can be used directly with smear-positive specimens.

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Detection of rifampin resistance in Mycobacterium tuberculosis by use of a rapid, simple, and specific RNA/RNA mismatch assay - PubMed (original) (raw)