Evidence map›Paper›PMID 21353562›Full record

ArticleCurrent biology : CB2011

Long- and short-range transcriptional repressors induce distinct chromatin states on repressed genes.

Li M Li, David N Arnosti

Open access · bronzeAbstract read
In one paragraph

Article in Current biology : CB, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
2.8field-weighted citation impact, top 9% of its field
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

36 citing papers in PubMed, 77 citations in OpenAlex.

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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

2 authors at 1 institution in 1 country.

Li M LiDepartment of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824-1319, USA.
David N Arnosti
Michigan State University · US

Funding

MOLECULAR ANALYSIS OF TRANSCRIPTIONAL REPRESSIONR01GM056976 · NIGMS · MICHIGAN STATE UNIVERSITY · PI ARNOSTI, DAVID N · 1998 to 2014
$4.7M
NIGMS NIH HHS GM56976NIGMS NIH HHS R01 GM056976
6 · The paper itself

Abstract

Transcriptional repression is essential for establishing precise patterns of gene expression during development. Repressors governing early Drosophila segmentation can be classified as short- or long-range factors based on their ranges of action, acting either locally to quench adjacent activators or broadly to silence an entire locus. Paradoxically, these repressors recruit common corepressors, Groucho and CtBP, despite their different ranges of repression. To reveal the mechanisms underlying these two distinct modes of repression, we performed chromatin analysis using the prototypical long-range repressor Hairy and the short-range repressor Knirps. Chromatin immunoprecipitation and micrococcal nuclease mapping studies reveal that Knirps causes local changes of histone density and acetylation, and the inhibition of activator recruitment, without affecting the recruitment of basal transcriptional machinery. In contrast, Hairy induces widespread histone deacetylation and inhibits the recruitment of basal machinery without inducing chromatin compaction. Our study provides detailed mechanistic insight into short- and long-range repression on selected endogenous target genes and suggests that the transcriptional corepressors can be differentially deployed to mediate chromatin changes in a context-dependent manner.

Indexed as

AcetylationAlcohol OxidoreductasesAnimalsBasic Helix-Loop-Helix ProteinsChromatinChromatin ImmunoprecipitationDNA-Binding ProteinsDrosophilaDrosophila ProteinsGene Expression Regulation, DevelopmentalHistonesIn Situ HybridizationMicrococcal NucleasePlasmidsPolymerase Chain ReactionRepressor ProteinsAlcohol OxidoreductasesBasic Helix-Loop-Helix ProteinsChromatinC-terminal binding proteinDNA-Binding ProteinsDrosophila Proteinsgro protein, Drosophilahairy protein, DrosophilaHistoneskni protein, DrosophilaMicrococcal NucleaseRepressor Proteins

Identifiers

PMID21353562
PMCPMC3061390
OpenAlexW2087061201

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.