Evidence map›Paper›PMID 10950873›Full record

ArticleGenes & development2000

Chromatin fine structure profiles for a developmentally regulated gene: reorganization of the lysozyme locus before trans-activator binding and gene expression.

J Kontaraki, H H Chen, A Riggs, C Bonifer

Open access · diamondAbstract read
In one paragraph

Article in Genes & development, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing 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

41 citing papers in PubMed, 92 citations in OpenAlex.

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  9. Pioneer factors in embryonic stem cells and differentiation.Current opinion in genetics & development · 2010
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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 at 3 institutions in 2 countries.

J KontarakiUniversity of Leeds, Molecular Medicine Unit, St. James's University Hospital, Leeds LS9 7TF, UK.
H H Chen
A Riggs
C Bonifer
University of Leeds · GBCity of Hope · USSt James's University Hospital · GB

Funding

X-CHROMOSOME INACTIVATION AND DNA METHYLATIONR01GM050575 · NIGMS · CITY OF HOPE/BECKMAN RESEARCH INSTITUTE · PI RIGGS, ARTHUR D. · 1993 to 2002
$1.3M
NIGMS NIH HHS R01 GM50575
6 · The paper itself

Abstract

The chicken lysozyme locus is activated in a stepwise fashion during myeloid differentiation. We have used this locus as a model to study at high resolution changes in chromatin structure both in chicken cell lines representing various stages of macrophage differentiation and in primary cells from transgenic mice. In this study we have addressed the question of whether chromatin rearrangements can be detected in myeloid precursor cells at a stage well before overt transcription of the lysozyme gene begins. In addition to restriction enzyme accessibility assays and DMS footprinting, we have applied new, very sensitive techniques to assay for chromatin changes. Particularly informative was UV photofootprinting, using terminal transferase-dependent PCR and nonradioactive detection. We find that the basic chromatin structure in lysozyme nonexpressing hematopoietic precursor cells is highly similar to the pattern found in fully differentiated lysozyme-expressing cells. In addition, we find that only in nonexpressing cells are dimethylsulfate footprints and UV photofootprints affected by trichostatin, an inhibitor of histone deacetylation. These results are interpreted to mean that most chromatin pattern formation is complete before the binding of end-stage trans-activators, supporting the notion that heritable chromatin structure is central to the stable epigenetic programs that guide development.

Indexed as

Gene Expression Regulation, DevelopmentalAnimalsBase SequenceChickensChromatinDNA FootprintingDNA PrimersEnhancer Elements, GeneticMiceMuramidasePromoter Regions, GeneticProtein BindingProtein ConformationRegulatory Sequences, Nucleic AcidTrans-ActivatorsUltraviolet RaysChromatinDNA PrimersMuramidaseTrans-Activators

Identifiers

PMID10950873
PMCPMC316862
OpenAlexW2128878636

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.