Evidence map›Paper›PMID 27923924›Full record

ArticlemBio2016

Attenuation of the Type IV Pilus Retraction Motor Influences Neisseria gonorrhoeae Social and Infection Behavior.

Alyson M Hockenberry, Danielle M Hutchens, Al Agellon, Magdalene So

Open access · goldAbstract read
In one paragraph

Article in mBio, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

20 citing papers in PubMed, 42 citations in OpenAlex.

  1. Article
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  7. Multisite transformation inFrontiers in microbiology · 2023
    Article
  8. Article
  9. Article
  10. Motor-independent retraction of type IV pili is governed by an inherent property of the pilus filament.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
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  15. Article
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  17. Review
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  19. Genus-Wide Comparative Genomics Analysis ofInternational journal of genomics · 2019
    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

4 authors at 1 institution in 1 country.

Alyson M HockenberryDepartment of Immunobiology, University of Arizona, Tucson, Arizona, USA alyson.hockenberry@gmail.com somaggie@email.arizona.edu.ORCID 0000-0003-0828-1428
Danielle M HutchensDepartment of Immunobiology, University of Arizona, Tucson, Arizona, USA.
Al AgellonSchool of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, USA.
Magdalene SoDepartment of Immunobiology, University of Arizona, Tucson, Arizona, USA alyson.hockenberry@gmail.com somaggie@email.arizona.edu.ORCID 0000-0001-8301-0674
University of Arizona · US

Funding

Type IV pilus as a switch that determines consequences of Neisseria colonizationR01AI107966 · NIAID · UNIVERSITY OF ARIZONA · PI SO, MAGDALENE Y · 2013 to 2017
$2.3M
NIAID NIH HHS R01 AI107966
6 · The paper itself

Abstract

Retraction of the type IV pilus (Tfp) mediates DNA uptake, motility, and social and infection behavior in a wide variety of prokaryotes. To date, investigations into Tfp retraction-dependent activities have used a mutant deleted of PilT, the ATPase motor protein that causes the pilus fiber to retract. ΔpilT cells are nontransformable, nonmotile, and cannot aggregate into microcolonies. We tested the hypothesis that these retraction-dependent activities are sensitive to the strength of PilT enzymatic activity by using the pathogen Neisseria gonorrhoeae as a model. We constructed an N. gonorrhoeae mutant with an amino acid substitution in the PilT Walker B box (a substitution of cysteine for leucine at position 201, encoded by pilT IMPORTANCE: Type IV pili are fibers expressed on the surface of many bacteria. Neisseria gonorrhoeae cells crawl, take up DNA, and communicate with each other and with human cells by retracting these fibers. Here, we show that an N. gonorrhoeae mutant expressing an enzymatically weakened type IV pilus retraction motor still crawls and takes up DNA normally. However, mutant cells exhibit abnormal social behavior, and they are less infective because they fail to activate the epidermal growth factor receptor. Our study shows that N. gonorrhoeae social and infection behaviors are sensitive to the strength of the retraction motor enzyme.

Indexed as

Microbial InteractionsAdenosine TriphosphateAmino Acid SubstitutionBacterial AdhesionDNA Mutational AnalysisDNA Transformation CompetenceFimbriae, BacterialFimbriae ProteinsHydrolysisLocomotionMutant ProteinsNeisseria gonorrhoeaeAdenosine TriphosphateFimbriae ProteinsMutant Proteins

Identifiers

PMID27923924
PMCPMC5142622
OpenAlexW2560589824

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.