Evidence map›Paper›PMID 22529376›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2012

Env-less endogenous retroviruses are genomic superspreaders.

Gkikas Magiorkinis, Robert J Gifford, Aris Katzourakis, Joris De Ranter, Robert Belshaw

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing papers in PubMed
13.3field-weighted citation impact, top 1% 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

82 citing papers in PubMed, 136 citations in OpenAlex.

  1. Article
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  7. Article
  8. Comparative Analysis of Active LTR Retrotransposons in Sunflower (International journal of molecular sciences · 2024
    Article
  9. Review
  10. Article
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  19. Review
  20. Frontiers in veterinary science · 2023
    Review

22 more citing papers are in PubMed but not listed here.

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

5 authors at 3 institutions in 3 countries.

Gkikas MagiorkinisDepartment of Zoology, University of Oxford, Oxford OX1 3PS, United Kingdom.
Robert J Gifford
Aris Katzourakis
Joris De Ranter
Robert Belshaw
University of Oxford · GBAaron Diamond AIDS Research Center · USKU Leuven · BE

Funding

Wellcome Trust
6 · The paper itself

Abstract

Endogenous retroviruses (ERVs) differ from typical retroviruses in being inherited through the host germline and therefore are a unique combination of pathogen and selfish genetic element. Some ERV lineages proliferate by infecting germline cells, as do typical retroviruses, whereas others lack the env gene required for virions to enter cells and thus behave like retrotransposons. We wished to know what factors determined the relative abundance of different ERV lineages, so we analyzed ERV loci recovered from 38 mammal genomes by in silico screening. By modeling the relationship between proliferation and replication mechanism in detail within one group, the intracisternal A-type particles (IAPs), and performing simple correlations across all ERV lineages, we show that when ERVs lose the env gene their proliferation within that genome is boosted by a factor of ∼30. We also show that ERV abundance follows the Pareto principle or 20/80 rule, with ∼20% of lineages containing 80% of the loci. This rule is observed in many biological systems, including infectious disease epidemics, where commonly ∼20% of the infected individuals are responsible for 80% of onward infection. We thus borrow simple epidemiological and ecological models and show that retrotransposition and loss of env is the trait that leads endogenous retroviruses to becoming genomic superspreaders that take over a significant proportion of their host's genome.

Indexed as

Mutagenesis, InsertionalAnimalsEndogenous RetrovirusesGenes, envGenes, Intracisternal A-ParticleGenomeHumansMammalsPhylogeny

Identifiers

PMID22529376
PMCPMC3358877
OpenAlexW2024907713

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.