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Mutations in DNA repair genes are associated with the Haarlem lineage of Mycobacterium tuberculosis independently of their antibiotic resistance

  • Juanita Olano
  • , Beatriz López
  • , Alejandro Reyes
  • , María del Pilar Lemos
  • , Nidia Correa
  • , Patricia Del Portillo
  • , Lucia Barrera
  • , Jaime Robledo
  • , Viviana Ritacco
  • , María Mercedes Zambrano

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

    22 Scopus citations

    Abstract

    The analysis of the DNA repair genes ogt and ung was carried out in 117 Mycobacterium tuberculosis clinical isolates from Argentina and Colombia in order to explore correlation between mutations in these genes and multi-drug resistance. With the exception of two Beijing family isolates, the rest of the strains harbored either two wild-type or two mutant alleles with identical single nucleotide polymorphisms (SNPs) in each gene (ogt44 and ung501). These ogt44 and ung501 mutations were not associated with multi-drug resistance and occurred simultaneously in circulating Haarlem genotype M. tuberculosis strains. We therefore propose the use of these markers as tools in phylogenetic and epidemiologic studies.

    Original languageEnglish
    Pages (from-to)502-508
    Number of pages7
    JournalTuberculosis
    Volume87
    Issue number6
    DOIs
    StatePublished - Nov 2007

    Bibliographical note

    Funding Information:
    This work was partially funded by Colciencias (No. 65700418076 and RC No. 431-2004), SeCyT (PICT No. 05-09978) and the European Commission (EC-LSHP-CT-516028).

    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

    • DNA repair enzymes
    • Multi-drug resistant tuberculosis
    • Mycobacterium tuberculosis
    • Single nucleotide polymorphism

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