Evidence map›Paper›PMID 18346968›Full record

ArticleNucleic acids research2008

Autoregulation of the Escherichia coli melR promoter: repression involves four molecules of MelR.

Shivanthi Samarasinghe, Mohamed Samir El-Robh, David C Grainger, Wenke Zhang, Panos Soultanas, Stephen J W Busby

Abstract read
In one paragraph

Article in Nucleic acids research, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 citing papers in PubMed.

  1. A Novel Dual-Applied and environmental microbiology · 2018
    Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
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.

Shivanthi SamarasingheSchool of Biosciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
Mohamed Samir El-Robh
David C Grainger
Wenke Zhang
Panos Soultanas
Stephen J W Busby

Funding

Biotechnology and Biological Sciences Research Council BB/C500579/1Biotechnology and Biological Sciences Research Council BB/C501484/1Biotechnology and Biological Sciences Research Council BB/E006450/1Wellcome Trust
6 · The paper itself

Abstract

The Escherichia coli MelR protein is a transcription activator that autoregulates its own promoter by repressing transcription initiation. Optimal repression requires MelR binding to a site that overlaps the melR transcription start point and to upstream sites. In this work, we have investigated the different determinants needed for optimal repression and their spatial requirements. We show that repression requires a complex involving four DNA-bound MelR molecules, and that the global CRP regulator plays little or no role.

Indexed as

Gene Expression Regulation, BacterialPromoter Regions, GeneticBinding SitesCyclic AMP Receptor ProteinDNA-Binding ProteinsEscherichia coliEscherichia coli ProteinsHomeostasisMicroscopy, Atomic ForceRepressor ProteinsTrans-ActivatorsTranscription Factorscrp protein, E coliCyclic AMP Receptor ProteinDNA-Binding ProteinsEscherichia coli ProteinsMelR protein, E coliRepressor ProteinsTrans-ActivatorsTranscription Factors

Identifiers

PMID18346968
PMCPMC2377442

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.