HIV-1 DNA sequence diversity and evolution during acute subtype C infection

Nat Commun. 2019 Jun 21;10(1):2737. doi: 10.1038/s41467-019-10659-2.

Abstract

Little is known about the genotypic make-up of HIV-1 DNA genomes during the earliest stages of HIV-1 infection. Here, we use near-full-length, single genome next-generation sequencing to longitudinally genotype and quantify subtype C HIV-1 DNA in four women identified during acute HIV-1 infection in Durban, South Africa, through twice-weekly screening of high-risk participants. In contrast to chronically HIV-1-infected patients, we found that at the earliest phases of infection in these four participants, the majority of viral DNA genomes are intact, lack APOBEC-3G/F-associated hypermutations, have limited genome truncations, and over one year show little indication of cytotoxic T cell-driven immune selections. Viral sequence divergence during acute infection is predominantly fueled by single-base substitutions and is limited by treatment initiation during the earliest stages of disease. Our observations provide rare longitudinal insights of HIV-1 DNA sequence profiles during the first year of infection to inform future HIV cure research.

Publication types

  • Observational Study
  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Acute Disease
  • Adult
  • Anti-HIV Agents / therapeutic use
  • DNA Mutational Analysis
  • DNA, Viral / genetics*
  • Evolution, Molecular*
  • Female
  • Follow-Up Studies
  • Genome, Viral / genetics*
  • HIV Infections / blood
  • HIV Infections / drug therapy
  • HIV Infections / virology*
  • HIV-1 / genetics*
  • High-Throughput Nucleotide Sequencing
  • Humans
  • Longitudinal Studies
  • Mutation
  • Prospective Studies
  • South Africa
  • Viral Load
  • Young Adult

Substances

  • Anti-HIV Agents
  • DNA, Viral