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*

*Korrespondierende/r Autor/-in für diese Arbeit
12 Zitate (Scopus)

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.

OriginalspracheEnglisch
Aufsatznummere02169-16
ZeitschriftAntimicrobial Agents and Chemotherapy
Jahrgang61
Ausgabenummer4
ISSN0066-4804
DOIs
PublikationsstatusVeröffentlicht - 04.2017

Strategische Forschungsbereiche und Zentren

  • Forschungsschwerpunkt: Infektion und Entzündung - Zentrum für Infektions- und Entzündungsforschung Lübeck (ZIEL)

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