Evidence map›Paper›PMID 20817675›Full record

ArticleNucleic acids research2011

Genome-wide binding profiles of the Bacillus subtilis transition state regulator AbrB and its homolog Abh reveals their interactive role in transcriptional regulation.

Onuma Chumsakul, Hiroki Takahashi, Taku Oshima, Takahiro Hishimoto, Shigehiko Kanaya, Naotake Ogasawara, Shu Ishikawa

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers.

0numbers the graph read from it
0cells of the map it votes in
87citing papers in PubMed
5.1field-weighted citation impact, top 4% 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

87 citing papers in PubMed, 157 citations in OpenAlex.

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27 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

7 authors at 1 institution in 1 country.

Onuma ChumsakulGraduate School of Information Science, Nara Institute of Science and Technology, Takayama, Ikoma, Nara, Japan.
Hiroki Takahashi
Taku Oshima
Takahiro Hishimoto
Shigehiko Kanaya
Naotake Ogasawara
Shu Ishikawa
Nara Institute of Science and Technology · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

AbrB is a global transcriptional regulator of Bacillus subtilis that represses the expression of many genes during exponential growth. Here, we demonstrate that AbrB and its homolog Abh bind to hundreds of sites throughout the entire B. subtilis genome during exponential growth. Comparison of regional binding of AbrB and Abh in wild-type, ΔabrB and Δabh backgrounds revealed that they bind as homomer and/or heteromer forms with different specificities and affinities. We found four AbrB and Abh binding patterns were major. Three of these contain pairs of TGGNA motifs connected by A/T-rich sequences, differing in arrangement and spacing. We also assessed the direct involvement of these complexes in the control of gene expression. Our data indicate that AbrB usually acts as a repressor, and that the ability of Abh to act as a transcriptional regulator was limited. We found that changes to AbrB/Abh levels affect their binding at several promoters and consequently transcriptional regulation. Surprisingly, most AbrB/Abh binding events had no impact on transcription, suggesting an interesting possibility that AbrB/Abh binding is analogous to nucleoid-associated protein binding in Escherichia coli.

Indexed as

Gene Expression Regulation, BacterialTranscription, GeneticBacillus subtilisBacterial ProteinsBase SequenceBinding SitesConsensus SequenceDimerizationDNA-Binding ProteinsGenome, BacterialProtein BindingTranscription FactorsAbrB protein, Bacillus subtilisBacterial ProteinsDNA-Binding ProteinsTranscription Factors

Identifiers

PMID20817675
PMCPMC3025583
OpenAlexW2144190655

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.