4.7 Article

pncA Gene Mutations Associated with Pyrazinamide Resistance in Drug-Resistant Tuberculosis, South Africa and Georgia

Journal

EMERGING INFECTIOUS DISEASES
Volume 23, Issue 3, Pages 491-495

Publisher

CENTERS DISEASE CONTROL
DOI: 10.3201/eid2303.161034

Keywords

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Funding

  1. US National Institutes of Health [R01A1089349, RO1A1087465, K23AI103044, D43TW007124]
  2. National Institutes of Health [K23A1083088, K24AI114444]
  3. Emory Center for AIDS Research [P30A1050409]
  4. Einstein/Montefiore Institute for Clinical and Translational Research [UL1 TR001073]
  5. Atlanta Clinical and Translational Science Institute [UL1TR000454]

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Although pyrazinamide is commonly used for tuberculosis treatment, drug-susceptibility testing is not routinely available. We found polynnorphisms in the pncA gene for 70% of multidrug-resistant and 96% of extensively drug resistant Mycobacterium tuberculosis isolates from South Africa and Georgia. Assessment of pyrazinamide susceptibility may be prudent before using it in regimens for drug resistant tuberculosis.

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