Evidence map›Paper›PMID 17526712›Full record

ArticleJournal of bacteriology2007

IcsA surface presentation in Shigella flexneri requires the periplasmic chaperones DegP, Skp, and SurA.

Georgiana E Purdy, Carolyn R Fisher, Shelley M Payne

Abstract read
In one paragraph

Article in Journal of bacteriology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing 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

64 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. (p)ppGpp is required for virulence ofInfection and immunity · 2024
    Article
  7. Identification and characterization of a novel lytic peptidoglycan transglycosylase (MltC) in Shigella dysenteriae.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023
    Article
  8. Toward aInternational journal of molecular sciences · 2023
    Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Competing stress-dependent oligomerization pathways regulate self-assembly of the periplasmic protease-chaperone DegP.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  14. Review
  15. Article
  16. Article
  17. Article
  18. Proteomic profiling ofBioImpacts : BI · 2020
    Article
  19. Review
  20. Journal of cell science · 2019
    Article

4 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

3 authors.

Georgiana E PurdyInstitute for Cellular and Molecular Biology and Section of Molecular Genetics and Microbiology, The University of Texas at Austin, Austin, Texas 78712, USA.
Carolyn R Fisher
Shelley M Payne

Funding

ROLE OF CARBON METABOLISM AND VIRULENCE OF SHIGELLA FLEXNERIR37AI016935 · NIAID · UNIVERSITY OF TEXAS AUSTIN · PI Shelley M. Payne · 2003 to 2026
$6.0M
Role of carbon metabolism in virulence of Shigella flexneriR01AI016935 · NIAID · UNIVERSITY OF TEXAS AUSTIN · PI PAYNE, SHELLEY M. · 1985 to 2017
$2.6M
NIAID NIH HHS AI16935NIAID NIH HHS R01 AI016935NIAID NIH HHS R37 AI016935
6 · The paper itself

Abstract

A Shigella flexneri degP mutant, which was defective for plaque formation in Henle cell monolayers, had a reduced amount of IcsA detectable on the bacterial surface with antibody. However, the mutant secreted IcsA to the outer membrane at wild-type levels. This suggests that IcsA adopts an altered conformation in the outer membrane of the degP mutant with reduced exposure on the cell surface. IcsA is, therefore, unlikely to be accessible to actin-nucleating proteins within the eukaryotic cell cytoplasm, which is required for bacterial movement within the host cell and cell-to-cell spread. The degP mutant was somewhat more sensitive to detergents, antibiotics, and the antimicrobial peptide magainin, indicating that the degP phenotype was not limited to IcsA surface presentation. The plaque defect of the degP mutant, which is independent of DegP protease activity, was suppressed by overexpression of the periplasmic chaperone Skp but not by SurA. S. flexneri skp and surA mutants failed to form plaques in Henle cell monolayers and were defective in cell surface presentation and polar localization of IcsA. Therefore, the three periplasmic folding factors DegP, Skp, and SurA were all required for IcsA localization and plaque formation by S. flexneri.

Indexed as

Bacterial Outer Membrane ProteinsBacterial ProteinsCell LineCell MembraneDNA-Binding ProteinsHeat-Shock ProteinsHumansLipopolysaccharidesMolecular ChaperonesMutationPeptidylprolyl IsomerasePeriplasmic ProteinsPhenotypeSerine EndopeptidasesShigella flexneriTranscription FactorsBacterial Outer Membrane ProteinsBacterial ProteinsDegP proteaseDNA-Binding ProteinsHeat-Shock ProteinsLipopolysaccharidesMolecular ChaperonesPeptidylprolyl IsomerasePeriplasmic ProteinsSerine EndopeptidasesTranscription FactorsvirG protein, Shigella flexneri

Identifiers

PMID17526712
PMCPMC1951818

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.