Evidence map›Paper›PMID 23392610›Full record

ArticleGenes & development2013

Piwi induces piRNA-guided transcriptional silencing and establishment of a repressive chromatin state.

Adrien Le Thomas, Alicia K Rogers, Alexandre Webster, Georgi K Marinov, Susan E Liao, Edward M Perkins, Junho K Hur, Alexei A Aravin, Katalin Fejes Tóth

Open access · diamondAbstract read
In one paragraph

Article in Genes & development, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 306 papers.

0numbers the graph read from it
0cells of the map it votes in
306citing 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

306 citing papers in PubMed, 538 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
  8. In thebioRxiv : the preprint server for biology · 2026
    Article
  9. piRNA direct the chromatin reader to its genomic targets.bioRxiv : the preprint server for biology · 2026
    Article
  10. Article
  11. Rapid evolution and comparative analysis of piRNA clusters inbioRxiv : the preprint server for biology · 2026
    Article
  12. Review
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Review

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 1 institution in 2 countries.

Adrien Le ThomasCalifornia Institute of Technology, Pasadena, California 91125, USA.
Alicia K Rogers
Alexandre Webster
Georgi K Marinov
Susan E Liao
Edward M Perkins
Junho K Hur
Alexei A Aravin
Katalin Fejes Tóth
California Institute of Technology · US

Funding

PREDOCTORAL TRAINING IN BIOLOGY AND CHEMISTRYT32GM007616 · NIGMS · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI STERNBERG, PAUL WARREN · 1985 to 2019
$22.9M
Global Annotation of Regulatory Elements in the Human GenomeU54HG004576 · NHGRI · STANFORD UNIVERSITY · PI MYERS, RICHARD M · 2007 to 2011
$21.8M
Molecular Mechanism of the piRNA BiogenesisR01GM097363 · NIGMS · CORNELL UNIVERSITY · PI ARAVIN, ALEXEI A. · 2011 to 2025
$4.0M
Taming of Small RNA-based Epigenetic MechanismsDP2OD007371 · OD · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI ARAVIN, ALEXEI A. · 2010 to 2010
$2.4M
Functions of Piwi proteins and short RNAs in germlineR00HD057233 · NICHD · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI ARAVIN, ALEXEI A. · 2010 to 2012
$738k
NHGRI NIH HHS U54 HG004576NICHD NIH HHS R00 HD057233NIGMS NIH HHS NIH/NRSA 5T32 GM07616NIGMS NIH HHS R01 GM097363NIGMS NIH HHS T32 GM007616NIH HHS DP2 OD007371NIH HHS DP2OD007371A
6 · The paper itself

Abstract

In the metazoan germline, piwi proteins and associated piwi-interacting RNAs (piRNAs) provide a defense system against the expression of transposable elements. In the cytoplasm, piRNA sequences guide piwi complexes to destroy complementary transposon transcripts by endonucleolytic cleavage. However, some piwi family members are nuclear, raising the possibility of alternative pathways for piRNA-mediated regulation of gene expression. We found that Drosophila Piwi is recruited to chromatin, colocalizing with RNA polymerase II (Pol II) on polytene chromosomes. Knockdown of Piwi in the germline increases expression of transposable elements that are targeted by piRNAs, whereas protein-coding genes remain largely unaffected. Derepression of transposons upon Piwi depletion correlates with increased occupancy of Pol II on their promoters. Expression of piRNAs that target a reporter construct results in a decrease in Pol II occupancy and an increase in repressive H3K9me3 marks and heterochromatin protein 1 (HP1) on the reporter locus. Our results indicate that Piwi identifies targets complementary to the associated piRNA and induces transcriptional repression by establishing a repressive chromatin state when correct targets are found.

Indexed as

Gene SilencingAnimalsArgonaute ProteinsCell NucleusChromatinDrosophila melanogasterDrosophila ProteinsFemalePolytene ChromosomesRNA, Small InterferingArgonaute ProteinsChromatinDrosophila Proteinspiwi protein, DrosophilaRNA, Small Interfering

Identifiers

PMID23392610
PMCPMC3589556
OpenAlexW2125155400

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.