Evidence map›Paper›PMID 36821624›Full record

ArticlePLoS pathogens2023

Flagella-driven motility is a target of human Paneth cell defensin activity.

Douglas T Akahoshi, Dean E Natwick, Weirong Yuan, Wuyuan Lu, Sean R Collins, Charles L Bevins

Open access · goldAbstract read
In one paragraph

Article in PLoS pathogens, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 26% 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

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. 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

6 authors at 2 institutions in 1 country.

Douglas T AkahoshiDepartment of Microbiology and Immunology, School of Medicine, University of California Davis, Davis, California, United States of America.
Dean E NatwickDepartment of Microbiology and Molecular Genetics, University of California Davis, Davis, California, United States of America.
Weirong YuanInstitute of Human Virology and Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America.
Wuyuan LuInstitute of Human Virology and Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America.
Sean R CollinsDepartment of Microbiology and Molecular Genetics, University of California Davis, Davis, California, United States of America.
Charles L BevinsDepartment of Microbiology and Immunology, School of Medicine, University of California Davis, Davis, California, United States of America.ORCID 0000-0003-2725-2622
University of California, Davis · USUniversity of Maryland, Baltimore · US

Funding

UC Davis MCB T32 Administrative Supplement to Recognize Excellence in Diversity, Equity, Inclusion, and Accessibility (DEIA) MentorshipT32GM007377 · NIGMS · UNIVERSITY OF CALIFORNIA DAVIS · PI CHEDIN, FREDERIC LOUIS · 1985 to 2023
$9.9M
Animal Models of Infectious Diseases Training ProgramT32AI060555 · NIAID · UNIVERSITY OF CALIFORNIA DAVIS · PI MCSORLEY, STEPHEN J · 2004 to 2025
$3.3M
Novel Defensins in Human Epithelial TissuesR37AI032738 · NIAID · UNIVERSITY OF CALIFORNIA AT DAVIS · PI BEVINS, CHARLES L · 2015 to 2022
$3.1M
Rewiring Control of Leukocyte Motility for Therapeutic ApplicationDP2HD094656 · NICHD · UNIVERSITY OF CALIFORNIA AT DAVIS · PI COLLINS, SEAN RYAN · 2017 to 2017
$2.4M
Optogenetic approaches to dissect Rho GTPase signal transduction during neutrophil responses to inflammationF31HL152621 · NHLBI · UNIVERSITY OF CALIFORNIA AT DAVIS · PI NATWICK, DEAN EDWARD · 2020 to 2020
$38k
NHLBI NIH HHS F31 HL152621NIAID NIH HHS R37 AI032738NIAID NIH HHS T32 AI060555NICHD NIH HHS DP2 HD094656NIGMS NIH HHS T32 GM007377
6 · The paper itself

Abstract

In the mammalian intestine, flagellar motility can provide microbes competitive advantage, but also threatens the spatial segregation established by the host at the epithelial surface. Unlike microbicidal defensins, previous studies indicated that the protective activities of human α-defensin 6 (HD6), a peptide secreted by Paneth cells of the small intestine, resides in its remarkable ability to bind microbial surface proteins and self-assemble into protective fibers and nets. Given its ability to bind flagellin, we proposed that HD6 might be an effective inhibitor of bacterial motility. Here, we utilized advanced automated live cell fluorescence imaging to assess the effects of HD6 on actively swimming Salmonella enterica in real time. We found that HD6 was able to effectively restrict flagellar motility of individual bacteria. Flagellin-specific antibody, a classic inhibitor of flagellar motility that utilizes a mechanism of agglutination, lost its activity at low bacterial densities, whereas HD6 activity was not diminished. A single amino acid variant of HD6 that was able to bind flagellin, but not self-assemble, lost ability to inhibit flagellar motility. Together, these results suggest a specialized role of HD6 self-assembly into polymers in targeting and restricting flagellar motility.

Indexed as

Anti-Infective AgentsPaneth CellsAnimalsBacteriaFlagellaFlagellinHumansMammalsAnti-Infective AgentsFlagellin

Identifiers

PMID36821624
PMCPMC9990921
OpenAlexW4321607909

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.