Evidence map›Paper›PMID 21876746›Full record

ArticlePloS one2011

Phosphorylated CpxR restricts production of the RovA global regulator in Yersinia pseudotuberculosis.

Junfa Liu, Ikenna R Obi, Edvin J Thanikkal, Thomas Kieselbach, Matthew S Francis

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
2.2field-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

24 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Anti-infective compounds forSustainable microbiology · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Cpx-signalling innpj antimicrobials and resistance · 2024
    Article
  9. Article
  10. Article
  11. DissectingJournal of bacteriology · 2021
    Article
  12. Article
  13. Review
  14. Environmental Regulation of Yersinia Pathophysiology.Frontiers in cellular and infection microbiology · 2016
    Review
  15. Article
  16. Article
  17. Glycolysis for Microbiome Generation.Microbiology spectrum · 2015
    Article
  18. Article
  19. Article
  20. 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

5 authors at 1 institution in 2 countries.

Junfa LiuDepartment of Molecular Biology, Umeå University, Umeå, Sweden.
Ikenna R Obi
Edvin J Thanikkal
Thomas Kieselbach
Matthew S Francis
Umeå University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRovA is a global transcriptional regulator of gene expression in pathogenic Yersinia. RovA levels are kept in check by a sophisticated layering of distinct transcriptional and post-transcriptional regulatory mechanisms. In the enteropathogen Y. pseudotuberculosis, we have previously reported that the extracytoplasmic stress sensing CpxA-CpxR two-component regulatory system modulates rovA expression. METHODOLOGY/PRINCIPAL

findingsIn this study, we characterized CpxR phosphorylation (CpxR∼P) in vitro, and determined that phosphorylation was necessary for CpxR to efficiently bind to the PCR-amplified upstream regulatory region of rovA. The precise CpxR∼P binding site was mapped by a nuclease protection assay and directed mutagenesis confirmed that in vivo binding to the rovA promoter inhibits transcription. Reduced RovA production was most pronounced following CpxR∼P accumulation in the Yersinia cytoplasm during chronic Cpx pathway activation and by the indiscriminate phosphodonor action of acetyl phosphate. CONCLUSIONS/SIGNIFICANCE: Cpx pathway activation restricts levels of the RovA global regulator. The regulatory influence of CpxR∼P must therefore extend well beyond periplasmic quality control in the Yersinia envelope, to include genes involved in environmental survival and pathogenicity.

Indexed as

AcetylationAdhesins, BacterialAllelesAmino Acid SequenceAspartic AcidBacterial Outer Membrane ProteinsBacterial ProteinsBase SequenceBinding SitesCytoplasmDNA, BacterialDNA FootprintingEscherichia coli ProteinsGenes, BacterialLipoproteinsMolecular Sequence DataAdhesins, BacterialAspartic AcidBacterial Outer Membrane ProteinsBacterial ProteinsCpxR protein, BacteriaDNA, BacterialEscherichia coli Proteinsinvasin, YersiniaLipoproteinsNlpE protein, E coliRovA protein, YersiniaTranscription Factors

Identifiers

PMID21876746
PMCPMC3158067
OpenAlexW1983436264

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.