Evidence map›Paper›PMID 25246476›Full record

ArticleJournal of bacteriology2014

The Cpx envelope stress response regulates and is regulated by small noncoding RNAs.

Stefanie L Vogt, Alex D Evans, Randi L Guest, Tracy L Raivio

Open access · bronzeAbstract read
In one paragraph

Article in Journal of bacteriology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

31 citing papers in PubMed, 47 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Review
  5. Review
  6. Review
  7. Review
  8. Experimental Evolution of Copper Resistance inAntibiotics (Basel, Switzerland) · 2022
    Article
  9. The Wsp system ofProceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. Review
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 1 institution in 1 country.

Stefanie L VogtDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.
Alex D EvansDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.
Randi L GuestDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.
Tracy L RaivioDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada traivio@ualberta.ca.
University of Alberta · CA

Funding

Canadian Institutes of Health Research 97819
6 · The paper itself

Abstract

The Escherichia coli genome encodes approximately 30 two-component systems that are required for sensing and responding to a variety of environmental and physiological cues. Recent studies have revealed numerous regulatory connections between two-component systems and small noncoding RNAs (sRNAs), which posttranscriptionally regulate gene expression by base pairing with target mRNAs. In this study, we investigated the role of sRNAs in the CpxAR two-component system, which detects and mediates an adaptive response to potentially lethal protein misfolding in the Gram-negative bacterial envelope. Here, we showed for the first time that sRNAs are members of the Cpx regulon. We found that CpxR binds to the promoter regions and regulates expression of two sRNA genes, cyaR and rprA. We also investigated the roles that these sRNAs play in the Cpx response. Cpx repression of cyaR expression creates a feed-forward loop, in which CpxAR increases expression of the inner membrane protein YqaE both directly at the transcriptional level and indirectly at the translational level. Moreover, we found that RprA exerts negative feedback on the Cpx response, reducing Cpx activity in a manner that is dependent on the response regulator CpxR but independent of all of RprA's previously described targets. sRNAs therefore permit the fine-tuning of Cpx pathway activity and its regulation of target genes, which could assist bacterial survival in the face of envelope stress.

Indexed as

Gene Expression Regulation, BacterialStress, PhysiologicalBacterial ProteinsEscherichia coliEscherichia coli ProteinsProtein KinasesRNA, Small UntranslatedSignal TransductionBacterial ProteinsCpxA protein, E coliCpxR protein, BacteriaEscherichia coli ProteinsProtein KinasesRNA, Small Untranslated

Identifiers

PMID25246476
PMCPMC4248847
OpenAlexW2094365483

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.