Evidence map›Paper›PMID 25775540›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2015

Molecular ruler determines needle length for the Salmonella Spi-1 injectisome.

Daniel H Wee, Kelly T Hughes

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

  1. Article
  2. Novel TaqManFrontiers in microbiology · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
  15. Review
  16. Article
  17. Type Three Secretion System in Attaching and Effacing Pathogens.Frontiers in cellular and infection microbiology · 2016
    Review
  18. Review
  19. Type III secretion systems: the bacterial flagellum and the injectisome.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015
    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

2 authors.

Daniel H WeeDepartment of Biology, University of Utah, Salt Lake City, UT 84112 daniel.wee@utah.edu.ORCID http://orcid.org/0000-0002-1959-983X
Kelly T HughesDepartment of Biology, University of Utah, Salt Lake City, UT 84112.

Funding

Coupling gene regulation to flagellar morphogenesisR01GM056141 · NIGMS · UNIVERSITY OF WASHINGTON · PI HUGHES, KELLY T · 1998 to 2023
$8.3M
NIGMS NIH HHS GM056141NIGMS NIH HHS R01 GM056141
6 · The paper itself

Abstract

The type-III secretion (T3S) systems of bacteria are part of self-assembling nanomachines: the bacterial flagellum that enables cells to propel themselves through liquid and across hydrated surfaces, and the injectisome that delivers pathogenic effector proteins into eukaryotic host cells. Although the flagellum and injectisome serve different purposes, they are evolutionarily related and share many structural similarities. Core features to these T3S systems are intrinsic length control mechanisms for external cellular projections: the hook of the flagellum and the injectisome needle. We present evidence that the Spi-1 injectisome, like the Salmonella flagellar hook, uses a secreted molecular ruler, InvJ, to determine needle length. This result supports a universal length control mechanism using molecular rulers for T3S systems.

Indexed as

Bacterial Secretion SystemsAllelesAntigens, BacterialBacterial ProteinsCell MembraneChromosomesCluster AnalysisCytoplasmElectrophoresis, Polyacrylamide GelFlagellaMicroscopy, ElectronMutationOsmotic PressurePeriplasmProtein Structure, TertiarySalmonella typhimuriumAntigens, BacterialBacterial ProteinsBacterial Secretion SystemsinvJ protein, Salmonella typhimuriumSpi1 protein, Salmonellainjectisomelength controlmolecular rulerSalmonella entericatype-III secretion

Identifiers

PMID25775540
PMCPMC4386390

What OpenQuestion holds

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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.