Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic

Natalie N. Kinloch, Daniel R. MacMillan, Anh Q. Le, Laura A. Cotton, David Bangsberg, Susan Buchbinder, Mary Carrington, Jonathan Fuchs, P. Richard Harrigan, Beryl Koblin, Margot Kushel, Martin Markowitz, Kenneth Mayer, M. J. Milloy, Martin T. Schechter, Theresa Wagner, Bruce D. Walker, Jonathan M. Carlson, Art F Y Poon, Zabrina L. Brumme

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Human leukocyte antigen (HLA) class I-associated polymorphisms in HIV-1 that persist upon transmission to HLA-mismatched hosts may spread in the population as the epidemic progresses. Transmission of HIV-1 sequences containing such adaptations may undermine cellular immune responses to the incoming virus in future hosts. Building upon previous work, we investigated the extent of HLA-associated polymorphism accumulation in HIV-1 polymerase (Pol) through comparative analysis of linked HIV-1/HLA class I genotypes sampled during historic (1979 to 1989; n=338) and modern (2001 to 2011; n=278) eras from across North America (Vancouver, BC, Canada; Boston, MA; New York, NY; and San Francisco, CA). Phylogenies inferred from historic and modern HIV-1 Pol sequences were star-like in shape, with an inferred most recent common ancestor (epidemic founder virus) sequence nearly identical to the modern North American subtype B consensus sequence. Nevertheless, modern HIV-1 Pol sequences exhibited roughly 2-fold-higher patristic (tip-to-tip) genetic distances than historic sequences, with HLA pressures likely driving ongoing diversification. Moreover, the frequencies of published HLA-associated polymorphisms in individuals lacking the selecting HLA class I allele was on average=2.5-fold higher in the modern than in the historic era, supporting their spread in circulation, though some remained stable in frequency during this time. Notably, polymorphisms restricted by protective HLA alleles appear to be spreading to a greater relative extent than others, though these increases are generally of modest absolute magnitude. However, despite evidence of polymorphism spread, North American hosts generally remain at relatively low risk of acquiring an HIV-1 polymerase sequence substantially preadapted to their HLA profiles, even in the present era.

Original languageEnglish (US)
Pages (from-to)1244-1258
Number of pages15
JournalJournal of Virology
Volume90
Issue number3
DOIs
StatePublished - 2016
Externally publishedYes

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HLA Antigens
Human immunodeficiency virus 1
HIV-1
Population
genetic polymorphism
Alleles
Viruses
alleles
HLA antigens
viruses
San Francisco
consensus sequence
Consensus Sequence
Phylogeny
North America
Cellular Immunity
cell-mediated immunity
Canada
genetic distance
ancestry

ASJC Scopus subject areas

  • Immunology
  • Virology

Cite this

Kinloch, N. N., MacMillan, D. R., Le, A. Q., Cotton, L. A., Bangsberg, D., Buchbinder, S., ... Brumme, Z. L. (2016). Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic. Journal of Virology, 90(3), 1244-1258. https://doi.org/10.1128/JVI.02353-15

Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic. / Kinloch, Natalie N.; MacMillan, Daniel R.; Le, Anh Q.; Cotton, Laura A.; Bangsberg, David; Buchbinder, Susan; Carrington, Mary; Fuchs, Jonathan; Richard Harrigan, P.; Koblin, Beryl; Kushel, Margot; Markowitz, Martin; Mayer, Kenneth; Milloy, M. J.; Schechter, Martin T.; Wagner, Theresa; Walker, Bruce D.; Carlson, Jonathan M.; Poon, Art F Y; Brumme, Zabrina L.

In: Journal of Virology, Vol. 90, No. 3, 2016, p. 1244-1258.

Research output: Contribution to journalArticle

Kinloch, NN, MacMillan, DR, Le, AQ, Cotton, LA, Bangsberg, D, Buchbinder, S, Carrington, M, Fuchs, J, Richard Harrigan, P, Koblin, B, Kushel, M, Markowitz, M, Mayer, K, Milloy, MJ, Schechter, MT, Wagner, T, Walker, BD, Carlson, JM, Poon, AFY & Brumme, ZL 2016, 'Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic', Journal of Virology, vol. 90, no. 3, pp. 1244-1258. https://doi.org/10.1128/JVI.02353-15
Kinloch, Natalie N. ; MacMillan, Daniel R. ; Le, Anh Q. ; Cotton, Laura A. ; Bangsberg, David ; Buchbinder, Susan ; Carrington, Mary ; Fuchs, Jonathan ; Richard Harrigan, P. ; Koblin, Beryl ; Kushel, Margot ; Markowitz, Martin ; Mayer, Kenneth ; Milloy, M. J. ; Schechter, Martin T. ; Wagner, Theresa ; Walker, Bruce D. ; Carlson, Jonathan M. ; Poon, Art F Y ; Brumme, Zabrina L. / Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic. In: Journal of Virology. 2016 ; Vol. 90, No. 3. pp. 1244-1258.
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