Evidence map›Paper›PMID 19584098›Full record

ArticleGenome research2009

Endonuclease-sensitive regions of human spermatozoal chromatin are highly enriched in promoter and CTCF binding sequences.

Ali Arpanahi, Martin Brinkworth, David Iles, Stephen A Krawetz, Agnieszka Paradowska, Adrian E Platts, Myriam Saida, Klaus Steger, Philip Tedder, David Miller

Open access · bronzeAbstract read
In one paragraph

Article in Genome research, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 116 papers.

0numbers the graph read from it
0cells of the map it votes in
116citing 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

116 citing papers in PubMed, 300 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Review
  5. Review
  6. International journal of molecular sciences · 2024
    Article
  7. Review
  8. Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

56 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

10 authors at 4 institutions in 3 countries.

Ali ArpanahiReproduction and Early Development Unit, Leeds Institute of Genetics and Health Therapeutics, University of Leeds, Leeds, United Kingdom.
Martin Brinkworth
David Iles
Stephen A Krawetz
Agnieszka Paradowska
Adrian E Platts
Myriam Saida
Klaus Steger
Philip Tedder
David Miller
University of Leeds · GBJustus-Liebig-Universität Gießen · DEWayne State University · USUniversity of Bradford · GB

Funding

GENETIC MECHANISMS THAT POTENTIATE HUMAN SPERMATOGENESISR01HD036512 · NICHD · WAYNE STATE UNIVERSITY · PI KRAWETZ, STEPHEN A · 1999 to 2009
$2.1M
Biotechnology and Biological Sciences Research Council BBS/B/04900NICHD NIH HHS HD36512NICHD NIH HHS R01 HD036512
6 · The paper itself

Abstract

During the haploid phase of mammalian spermatogenesis, nucleosomal chromatin is ultimately repackaged by small, highly basic protamines to generate an extremely compact, toroidal chromatin architecture that is critical to normal spermatozoal function. In common with several species, however, the human spermatozoon retains a small proportion of its chromatin packaged in nucleosomes. As nucleosomal chromatin in spermatozoa is structurally more open than protamine-packaged chromatin, we considered it likely to be more accessible to exogenously applied endonucleases. Accordingly, we have used this premise to identify a population of endonuclease-sensitive DNA sequences in human and murine spermatozoa. Our results show unequivocally that, in contrast to the endonuclease-resistant sperm chromatin packaged by protamines, regions of increased endonuclease sensitivity are closely associated with gene regulatory regions, including many promoter sequences and sequences recognized by CCCTC-binding factor (CTCF). Similar differential packaging of promoters is observed in the spermatozoal chromatin of both mouse and man. These observations imply the existence of epigenetic marks that distinguish gene regulatory regions in male germ cells and prevent their repackaging by protamines during spermiogenesis. The ontology of genes under the control of endonuclease-sensitive regulatory regions implies a role for this phenomenon in subsequent embryonic development.

Indexed as

AcetylationAnimalsBase SequenceBinding SitesCCCTC-Binding FactorChromatinChromatin ImmunoprecipitationComparative Genomic HybridizationDNAElectrophoresis, Agar GelEndonucleasesGenome-Wide Association StudyHistonesHumansLysineMaleCCCTC-Binding FactorChromatinCTCF protein, humanCtcf protein, mouseDNAEndonucleasesHistonesLysineRepressor Proteins

Identifiers

PMID19584098
PMCPMC2720182
OpenAlexW2168831494

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.