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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 Niemann
  • Jaime Robledo, E. Grace Smith, Sharon J. Peacock, Claudio U. Köser

    Research output: Contribution to scientific journalArticle in an indexed scientific journalpeer-review

    33 Scopus citations

    Abstract

    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.

    Original languageEnglish
    Article numbere02169-16
    JournalAntimicrobial Agents and Chemotherapy
    Volume61
    Issue number4
    DOIs
    StatePublished - Apr 2017

    Bibliographical note

    Publisher Copyright:
    © 2017 Ajileye et al.

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    Keywords

    • Fluoroquinolones
    • Hain GenoType MTBDRsl
    • Mycobacterium tuberculosis

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