Some synonymous and nonsynonymous gyrA mutations in Mycobacterium tuberculosis lead to systematic false-positive fluoroquinolone resistance results with the Hain GenoType MTBDRsl assays

Adebisi Ajileye, Nataly Alvarez, Matthias Merker, Timothy M. Walker, Suriya Akter, Kerstin Brown, Danesh Moradigaravand, Thomas Schön, Sönke Andres, Viola Schleusener, Shaheed V. Omar, Francesc Coll, Hairong Huang, Roland Diel, Nazir Ismail, Julian Parkhill, Bouke C. De Jong, Tim E.A. Peto, Derrick W. Crook, Stefan NiemannJaime Robledo, E. Grace Smith, Sharon J. Peacock, Claudio U. Köser

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    29 Citas (Scopus)

    Resumen

    In this study, using the Hain GenoType MTBDRsl assays (versions 1 and 2), we found that some nonsynonymous and synonymous mutations in gyrA in Mycobacterium tuberculosis result in systematic false-resistance results to fluoroquinolones by preventing the binding of wild-type probes. Moreover, such mutations can prevent the binding of mutant probes designed for the identification of specific resistance mutations. Although these mutations are likely rare globally, they occur in approximately 7% of multidrug-resistant tuberculosis strains in some settings.

    Idioma originalInglés
    Número de artículoe02169-16
    PublicaciónAntimicrobial Agents and Chemotherapy
    Volumen61
    N.º4
    DOI
    EstadoPublicada - abr. 2017

    Nota bibliográfica

    Publisher Copyright:
    © 2017 Ajileye et al.

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