Paired analysis of host and pathogen genomes identifies determinants of human tuberculosis

Nat Commun. 2024 Nov 29;15(1):10393. doi: 10.1038/s41467-024-54741-w.

Abstract

Infectious disease is the result of interactions between host and pathogen and can depend on genetic variations in both. We conduct a genome-to-genome study of paired human and Mycobacterium tuberculosis genomes from a cohort of 1556 tuberculosis patients in Lima, Peru. We identify an association between a human intronic variant (rs3130660, OR = 10.06, 95%CI: 4.87 - 20.77, P = 7.92 × 10-8) in the FLOT1 gene and a subclavaluee of Mtb Lineage 2. In a human macrophage infection model, we observe hosts with the rs3130660-A allele exhibited stronger interferon gene signatures. The interacting strains have altered redox states due to a thioredoxin reductase mutation. We investigate this association in a 2020 cohort of 699 patients recruited during the COVID-19 pandemic. While the prevalence of the interacting strain almost doubled between 2010 and 2020, its infection is not associated with rs3130660 in this recent cohort. These findings suggest a complex interplay among host, pathogen, and environmental factors in tuberculosis dynamics.

MeSH terms

  • Adult
  • COVID-19 / genetics
  • COVID-19 / virology
  • Cohort Studies
  • Female
  • Genome, Bacterial
  • Host-Pathogen Interactions* / genetics
  • Humans
  • Macrophages / microbiology
  • Male
  • Mutation
  • Mycobacterium tuberculosis* / genetics
  • Mycobacterium tuberculosis* / pathogenicity
  • Peru / epidemiology
  • Polymorphism, Single Nucleotide
  • SARS-CoV-2 / genetics
  • Thioredoxin-Disulfide Reductase / genetics
  • Thioredoxin-Disulfide Reductase / metabolism
  • Tuberculosis* / genetics
  • Tuberculosis* / microbiology

Substances

  • Thioredoxin-Disulfide Reductase