Evidence map›Paper›PMID 18926973›Full record

ReviewPhilosophical transactions of the Royal Society of London. Series B, Biological sciences2009

The evolution of RNAi as a defence against viruses and transposable elements.

Darren J Obbard, Karl H J Gordon, Amy H Buck, Francis M Jiggins

Abstract readReview
In one paragraph

Review in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 259 papers.

0numbers the graph read from it
0cells of the map it votes in
259citing papers in PubMed
–field-weighted citation impact
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

259 citing papers in PubMed.

  1. Article
  2. Review
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  9. Frontiers in plant science · 2026
    Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. RNAi and genome editing of sugarcane: Progress and prospects.The Plant journal : for cell and molecular biology · 2025
    Review
  20. Review

199 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

4 authors.

Darren J ObbardInstitute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Ashworth Laboratories, King's Buildings, Edinburgh EH9 3JT, UK. darren.obbard@ed.ac.uk
Karl H J Gordon
Amy H Buck
Francis M Jiggins

Funding

Wellcome Trust
6 · The paper itself

Abstract

RNA interference (RNAi) is an important defence against viruses and transposable elements (TEs). RNAi not only protects against viruses by degrading viral RNA, but hosts and viruses can also use RNAi to manipulate each other's gene expression, and hosts can encode microRNAs that target viral sequences. In response, viruses have evolved a myriad of adaptations to suppress and evade RNAi. RNAi can also protect cells against TEs, both by degrading TE transcripts and by preventing TE expression through heterochromatin formation. The aim of our review is to summarize and evaluate the current data on the evolution of these RNAi defence mechanisms. To this end, we also extend a previous analysis of the evolution of genes of the RNAi pathways. Strikingly, we find that antiviral RNAi genes, anti-TE RNAi genes and viral suppressors of RNAi all evolve rapidly, suggestive of an evolutionary arms race between hosts and parasites. Over longer time scales, key RNAi genes are repeatedly duplicated or lost across the metazoan phylogeny, with important implications for RNAi as an immune defence.

Indexed as

Evolution, MolecularAnimalsDNA Transposable ElementsHost-Parasite InteractionsHost-Pathogen InteractionsImmunity, InnateMicroRNAsPhylogenyRNA InterferenceRNA, ViralVirusesDNA Transposable ElementsMicroRNAsRNA, Viral

Identifiers

PMID18926973
PMCPMC2592633

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.