Evidence map›Paper›PMID 25537831›Full record

ArticleCellular microbiology2015

The lipooligosaccharide-modifying enzyme LptA enhances gonococcal defence against human neutrophils.

Jonathan W Handing, Alison K Criss

Open access · bronzeAbstract read
In one paragraph

Article in Cellular microbiology, 2015. 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
1.5field-weighted citation impact, top 21% 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, 32 citations in OpenAlex.

  1. Review
  2. Article
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  10. Vaginal delivery of vaccines.Advanced drug delivery reviews · 2021
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  12. Anti-Virulence Therapeutic Approaches forAntibiotics (Basel, Switzerland) · 2021
    Review
  13. Identification of aPathogens (Basel, Switzerland) · 2020
    Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Review
  19. The MtrCDE Efflux Pump Contributes to Survival ofFrontiers in microbiology · 2018
    Article
  20. 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 at 1 institution in 1 country.

Jonathan W HandingDepartment of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, USA.
Alison K CrissDepartment of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, USA.
University of Virginia · US

Funding

INFECTIOUS DISEASES TRAINING PROGRAMT32AI007046 · NIAID · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI Alison K Criss, William A Petri · 1985 to 2026
$15.3M
Survival of Neisseria gonorrhoeae after primary human neutrophil challengeR01AI097312 · NIAID · UNIVERSITY OF VIRGINIA · PI CRISS, ALISON K · 2012 to 2022
$4.6M
Survival of Neisseria gonorrhoeae after primary human neutrophil challengeR37AI097312 · NIAID · UNIVERSITY OF VIRGINIA · PI Alison K Criss · 2025 to 2026
$1.1M
Gonococcal interactions with human polymorphonuclear leukocytesR00TW008042 · FIC · UNIVERSITY OF VIRGINIA · PI CRISS, ALISON K · 2009 to 2011
$675k
FIC NIH HHS R00 TW008042NIAID NIH HHS R01 AI097312NIAID NIH HHS R37 AI097312NIAID NIH HHS T32 AI007046
6 · The paper itself

Abstract

Infection with Neisseria gonorrhoeae (Gc) is marked by an influx of neutrophils to the site of infection. Despite a robust immune response, viable Gc can be recovered from neutrophil-rich gonorrhoeal secretions. Gc enzymatically modifies the lipid A portion of lipooligosaccharide by the addition of phosphoethanolamine to the phosphate group at the 4' position. Loss of lipooligosaccharide phosphoethanolamine transferase A (LptA), the enzyme catalysing this reaction, increases bacterial sensitivity to killing by human complement and cationic antimicrobial peptides. Here, we investigated the importance of LptA for interactions between Gc and human neutrophils. We found that lptA mutant Gc was significantly more sensitive to killing by human neutrophils. Three mechanisms underlie the increased sensitivity of lptA mutant Gc to neutrophils. (i) lptA mutant Gc is more likely to reside in mature phagolysosomes than LptA-expressing bacteria. (ii) lptA mutant Gc is more sensitive to killing by components found in neutrophil granules, including CAP37/azurocidin, human neutrophil peptide 1 and the serine protease cathepsin G. (iii) lptA mutant Gc is more susceptible to killing by antimicrobial components that are exocytosed from neutrophils, including those decorating neutrophil extracellular traps. By increasing the resistance of Gc to the bactericidal activity of neutrophils, LptA-catalysed modification of lipooligosaccharide enhances survival of Gc from the human inflammatory response during acute gonorrhoea.

Indexed as

Immune EvasionAntimicrobial Cationic PeptidesBacterial ProteinsCells, CulturedEnzymesHumansLipopolysaccharidesMicrobial ViabilityNeisseria gonorrhoeaeNeutrophilsPhagosomesAntimicrobial Cationic PeptidesBacterial ProteinsEnzymeslipid-linked oligosaccharidesLipopolysaccharides

Identifiers

PMID25537831
PMCPMC4437829
OpenAlexW1542115244

What OpenQuestion holds

Textmetadata
LicenceTDM
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.