Evidence map›Paper›PMID 20631150›Full record

ArticleJournal of virology2010

Divergent evolution in reverse transcriptase (RT) of HIV-1 group O and M lineages: impact on structure, fitness, and sensitivity to nonnucleoside RT inhibitors.

Denis M Tebit, Michael Lobritz, Matthew Lalonde, Taina Immonen, Kamlendra Singh, Stefanos Sarafianos, Ottmar Herchenröder, Hans-Georg Kräusslich, Eric J Arts

Open access · greenAbstract read
In one paragraph

Article in Journal of virology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.3field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 30 citations in OpenAlex.

  1. Review
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  3. Review
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  12. Non-M variants of human immunodeficiency virus type 1.Clinical microbiology reviews · 2013
    Review
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. HIV-1 antiretroviral drug therapy.Cold Spring Harbor perspectives in medicine · 2012
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 2 countries.

Denis M TebitDivision of Infectious Diseases, Case Western Reserve University, Cleveland, OH 44106, USA.
Michael Lobritz
Matthew Lalonde
Taina Immonen
Kamlendra Singh
Stefanos Sarafianos
Ottmar Herchenröder
Hans-Georg Kräusslich
Eric J Arts
Case Western Reserve University · USUniversity of Missouri · USHeidelberg University · DEUniversity of Rostock · DE

Funding

MEDICAL SCIENTIST TRAINING PROGRAMT32GM007250 · NIGMS · CASE WESTERN RESERVE UNIVERSITY · PI HUANG, ALEX YEE-CHEN · 1985 to 2023
$33.4M
WOMEN'S HEALTH AGENDAU01AI025879 · NIAID · CASE WESTERN RESERVE UNIVERSITY · PI LEDERMAN, MICHAEL MARCEL · 1987 to 2006
$14.0M
Impact of HIV-1 Fitness on Disease ProgressionR01AI049170 · NIAID · UNIVERSITY OF WESTERN ONTARIO · PI ARTS, ERIC J · 2002 to 2024
$6.8M
HIV-1 Fitness and RecombinationR56AI049170 · NIAID · CASE WESTERN RESERVE UNIVERSITY · PI ARTS, ERIC J · 2012 to 2012
$400k
Impact of HIV-1 Fitness on Disease ProgressionR21AI049170 · NIAID · CASE WESTERN RESERVE UNIVERSITY · PI ARTS, ERIC J · 2001 to 2001
$265k
NIAID NIH HHS AI49170NIAID NIH HHS R01 AI049170NIAID NIH HHS R21 AI049170NIAID NIH HHS R56 AI049170NIAID NIH HHS U01 AI025879NIGMS NIH HHS T32 GM007250
6 · The paper itself

Abstract

Natural evolution in primate lentiviral reverse transcriptase (RT) appears to have been constrained by the necessity to maintain function within an asymmetric protein composed of two identical primary amino acid sequences (66 kDa), of which one is cleaved (51 kDa). In this study, a detailed phylogenetic analysis now segregates groups O and M into clusters based on a cysteine or tyrosine residue located at position 181 of RT and linked to other signature residues. Divergent evolution of two group O (C181 or Y181) and the main (Y181 only) HIV-1 lineages did not appreciably impact RT activity or function. Group O RT structural models, based on group M subtype B RT crystal structures, revealed that most evolutionarily linked amino acids appear on a surface-exposed region of one subunit while in a noncatalytic RT pocket of the other subunit. This pocket binds nonnucleoside RT inhibitors (NNRTI); therefore, NNRTI sensitivity was used to probe enzyme differences in these group O and M lineages. In contrast to observations showing acquired drug resistance associated with fitness loss, the C181Y mutation in the C181 group O lineage resulted in a loss of intrinsic NNRTI resistance and was accompanied by fitness loss. Other mutations linked to the NNRTI-resistant C181 lineage also resulted in altered NNRTI sensitivity and a net fitness cost. Based on RT asymmetry and conservation of the intricate reverse transcription process, millions of years of divergent primate lentivirus evolution may be constrained to discrete mutations that appear primarily in the nonfunctional, solvent-accessible NNRTI binding pocket.

Indexed as

Evolution, MolecularAmino Acid SubstitutionAnimalsAnti-HIV AgentsCell LineDrug Resistance, ViralHIV-1HIV Reverse TranscriptaseHumansModels, MolecularMutagenesis, Site-DirectedMutant ProteinsPhylogenyPrimatesProtein SubunitsReverse Transcriptase InhibitorsAnti-HIV AgentsHIV Reverse TranscriptaseMutant ProteinsProtein Subunitsreverse transcriptase, Human immunodeficiency virus 1Reverse Transcriptase Inhibitors

Identifiers

PMID20631150
PMCPMC2937803
OpenAlexW2104462834

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.