Evidence map›Paper›PMID 30280967›Full record

ArticleVirulence2018

Marginal role of von Willebrand factor-binding protein and coagulase in the initiation of endocarditis in rats with catheter-induced aortic vegetations.

Stefano Mancini, Frank Oechslin, Carmen Menzi, Yok Ai Que, Jorien Claes, Ruth Heying, Tiago Rafael Veloso, Thomas Vanassche, Dominique Missiakas, Olaf Schneewind and 2 more

Open access · goldAbstract read
In one paragraph

Article in Virulence, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 30% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Host-Bacterium Interaction Mechanisms inInternational journal of molecular sciences · 2023
    Pooled it
  2. Article
  3. Metabolites · 2025
    Review
  4. Article
  5. Neutrophils Protect AgainstArteriosclerosis, thrombosis, and vascular biology · 2023
    Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Different Types of Coagulase Are Associated With 28-Day Mortality in Patients WithFrontiers in cellular and infection microbiology · 2020
    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

12 authors at 4 institutions in 3 countries.

Stefano Mancinia Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.
Frank Oechslina Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.
Carmen Menzia Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.
Yok Ai Queb Department of Intensive Care Medicine , Bern University Hospital , Bern , Switzerland.
Jorien Claesc Cardiovascular Developmental Biology, Department of Cardiovascular Sciences , KU Leuven , Leuven , Belgium.
Ruth Heyingc Cardiovascular Developmental Biology, Department of Cardiovascular Sciences , KU Leuven , Leuven , Belgium.
Tiago Rafael Velosoa Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.
Thomas Vanassched Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences , KU Leuven , Leuven , Belgium.ORCID 0000-0002-7404-8918
Dominique Missiakase Department of Microbiology , University of Chicago , Chicago , IL , USA.
Olaf Schneewinde Department of Microbiology , University of Chicago , Chicago , IL , USA.
Philippe Moreillona Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.
José Manuel Entenzaa Department of Fundamental Microbiology , University of Lausanne , Lausanne , Switzerland.ORCID 0000-0003-1046-088X
University of Lausanne · CHKU Leuven · BEUniversity of Chicago · USUniversity Hospital of Bern · CH

Funding

Molecular basis and intervention of Staphylococcus aureus agglutinationR01AI110937 · NIAID · UNIVERSITY OF CHICAGO · PI MISSIAKAS, DOMINIQUE M. · 2015 to 2019
$1.8M
NIAID NIH HHS R01 AI110937
6 · The paper itself

Abstract

Staphylococcus aureus is the leading cause of infective endocarditis (IE). While the role of S. aureus cell-wall associated protein clumping factor A (ClfA) in promoting IE has been already demonstrated, that of the secreted plasma-clotting factors staphylocoagulase (Coa) and von Willebrand factor-binding protein (vWbp) has not yet been elucidated. We investigated the role of Coa and vWbp in IE initiation in rats with catheter-induced aortic vegetations, using Lactococcus lactis expressing coa, vWbp, clfA or vWbp/clfA, and S. aureus Newman Δcoa, ΔvWbp, ΔclfA or Δcoa/ΔvWbp/ΔclfA mutants. vWbp-expression increased L. lactis valve infection compared to parent and coa-expressing strains (incidence: 62%, versus 0% and 13%, respectively; P < 0.01). Likewise, expression of clfA increased L. lactis infectivity (incidence: 80%), which was not further affected by co-expression of vWbp. In symmetry, deletion of the coa or vWbp genes in S. aureus did not decrease infectivity (incidence: 68 and 64%, respectively) whereas deletion of clfA did decrease valve infection (incidence: 45%; P = 0.03 versus parent), which was not further affected by the triple deletion Δcoa/ΔvWbp/ΔclfA (incidence: 36%; P > 0.05 versus ΔclfA mutant). Coa does not support the initial colonization of IE (in L. lactis) without other key virulence factors and vWbp contributes to initiation of IE (in L. lactis) but is marginal in the present of ClfA.

Indexed as

AnimalsAortic ValveBacterial ProteinsCatheter-Related InfectionsCoagulaseEndocarditis, BacterialFemaleGene DeletionLactococcus lactisRatsRats, WistarStaphylococcal InfectionsStaphylococcus aureusVirulence Factorsvon Willebrand FactorBacterial ProteinsCoagulaseVirulence Factorsvon Willebrand FactorClumping factor AendocarditisstaphylocoagulaseStaphylococcus aureusvon Willebrand factor-binding protein

Identifiers

PMID30280967
PMCPMC7000203
OpenAlexW2895071273

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.