Evidence map›Paper›PMID 19182801›Full record

ArticleNature structural & molecular biology2009

Nucleosomes can invade DNA territories occupied by their neighbors.

Maik Engeholm, Martijn de Jager, Andrew Flaus, Ruth Brenk, John van Noort, Tom Owen-Hughes

Abstract read
In one paragraph

Article in Nature structural & molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.

0numbers the graph read from it
0cells of the map it votes in
79citing 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

79 citing papers in PubMed.

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  19. Structural studies of functional nucleosome complexes with transacting factors.Proceedings of the Japan Academy. Series B, Physical and biological sciences · 2022
    Review
  20. Review

19 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

6 authors.

Maik EngeholmWellcome Trust Centre for Gene Regulation and Expression, University of Dundee, Dundee, DD1 5EH, UK.
Martijn de Jager
Andrew Flaus
Ruth Brenk
John van Noort
Tom Owen-Hughes

Funding

Wellcome Trust 064414
6 · The paper itself

Abstract

Nucleosomes are the fundamental subunits of eukaryotic chromatin. They are not static entities, but can undergo a number of dynamic transitions, including spontaneous repositioning along DNA. As nucleosomes are spaced close together within genomes, it is likely that on occasion they approach each other and may even collide. Here we have used a dinucleosomal model system to show that the 147-base-pair (bp) DNA territories of two nucleosomes can overlap extensively. In the situation of an overlap by 44 bp or 54 bp, one histone dimer is lost and the resulting complex can condense to form a compact single particle. We propose a pathway in which adjacent nucleosomes promote DNA unraveling as they approach each other and that this permits their 147-bp territories to overlap, and we suggest that these events may represent early steps in a pathway for nucleosome removal via collision.

Indexed as

AnimalsDNAModels, MolecularNucleosomesXenopus laevisDNANucleosomes

Identifiers

PMID19182801
PMCPMC2675935

What OpenQuestion holds

Textmetadata
LicenceTDM
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.