Cited by 371HIV Research and TreatmentEvolution and Genetic DynamicsRNA regulation and disease

Extremely High Mutation Rate of HIV-1 In Vivo

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Cuevas, José M., Geller, Ron, Garijo, Raquel, López-Aldeguer, José, Sanjuán, Rafael·2015·PLOS Biology

Abstract

Rates of spontaneous mutation critically determine the genetic diversity and evolution of RNA viruses. Although these rates have been characterized in vitro and in cell culture models, they have seldom been determined in vivo for human viruses. Here, we use the intrapatient frequency of premature stop codons to quantify the HIV-1 genome-wide rate of spontaneous mutation in DNA sequences from peripheral blood mononuclear cells. This reveals an extremely high mutation rate of (4.1 ± 1.7) × 10-3 per base per cell, the highest reported for any biological entity. Sequencing of plasma-derived sequences yielded a mutation frequency 44 times lower, indicating that a large fraction of viral genomes are lethally mutated and fail to reach plasma. We show that the HIV-1 reverse transcriptase contributes only 2% of mutations, whereas 98% result from editing by host cytidine deaminases of the A3 family. Hypermutated viral sequences are less abundant in patients showing rapid disease progression compared to normal progressors, highlighting the antiviral role of A3 proteins. However, the amount of A3-mediated editing varies broadly, and we find that low-edited sequences are more abundant among rapid progressors, suggesting that suboptimal A3 activity might enhance HIV-1 genetic diversity and pathogenesis.

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Crossref · 10.1371/journal.pbio.1002251

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Authors
Cuevas, J. M., Geller, R., Garijo, R., López-Aldeguer, J., & Sanjuán, R.
Affiliations
Universitat de València (ES)
Corresponding author
Sanjuán, Rafael
Venue
PLOS Biology
Published
2015-09-16
Volume
13
Issue
9
Pages
e1002251
ISSN
  • 1544-9173 (ISSN-L)
  • 1545-7885
OpenAlex
W2198318089
Cited by
371
References
83
Citations by year
2026: 17 · 2025: 33 · 2024: 25 · 2023: 29 · 2022: 48 · 2021: 49 · 2020: 47 · 2019: 37 · 2018: 21 · 2017: 34 · 2016: 29 · 2015: 2
FWCI
14.50
Type
journal article
Language
en
Open access
Locations
  • PLoS Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (acceptedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Instituto de Salud Carlos III (RD12/0017)
  • FP7 Ideas: European Research Council (281191)
Topics
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
Keywords
HIV-1, spontaneous mutation rate, premature stop codon, APOBEC3A, APOBEC3B, cytidine deaminase, reverse transcriptase, antiviral defense, viral genetic diversity, disease progression, peripheral blood mononuclear cells, RNA virus evolution
MeSH terms
Adult, Female, Humans, Male, Middle Aged, HIV-1, HIV Infections, Sequence Analysis, RNA, Disease Progression, Young Adult, Mutation Rate

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