Evidence map›Paper›PMID 21846725›Full record

ArticleThe Journal of biological chemistry2011

Association of ActA to peptidoglycan revealed by cell wall proteomics of intracellular Listeria monocytogenes.

Francisco García-del Portillo, Enrique Calvo, Valentina D'Orazio, M Graciela Pucciarelli

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

21 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
  2. Review
  3. Stress Adaptation Responses of aFoods (Basel, Switzerland) · 2023
    Article
  4. Article
  5. Article
  6. RNA-Dependent Regulation of Virulence in Pathogenic Bacteria.Frontiers in cellular and infection microbiology · 2019
    Review
  7. Switching Lifestyles Is anFrontiers in cellular and infection microbiology · 2019
    Review
  8. Review
  9. Chitinase Expression in Listeria monocytogenes Is Influenced byApplied and environmental microbiology · 2017
    Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. How Listeria monocytogenes organizes its surface for virulence.Frontiers in cellular and infection microbiology · 2014
    Review
  15. Non-coding RNA regulation in pathogenic bacteria located inside eukaryotic cells.Frontiers in cellular and infection microbiology · 2014
    Review
  16. Article
  17. Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Francisco García-del PortilloDepartamento de Biotecnología Microbiana, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain.
Enrique Calvo
Valentina D'Orazio
M Graciela Pucciarelli
Centro Nacional de Biotecnología · ESSpanish National Centre for Cardiovascular Research · ESUniversidad Autónoma de Madrid · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Listeria monocytogenes is a Gram-positive intracellular bacterial pathogen that colonizes the cytosol of eukaryotic cells. Recent transcriptomic studies have revealed that intracellular L. monocytogenes alter expression of genes encoding envelope components. However, no comparative global analysis of this cell wall remodeling process is yet known at the protein level. Here, we used high resolution mass spectrometry to define the cell wall proteome of L. monocytogenes growing inside epithelial cells. When compared with extracellular bacteria growing in a nutrient-rich medium, a major difference found in the proteome was the presence of the actin assembly-inducing protein ActA in peptidoglycan purified from intracellular bacteria. ActA was also identified in the peptidoglycan of extracellular bacteria growing in a chemically defined minimal medium. In this condition, ActA maintains its membrane anchoring domain and promotes efficient bacterial entry into nonphagocytic host cells. Unexpectedly, Internalin-A, which mediates entry of extracellular L. monocytogenes into eukaryotic cells, was identified at late infection times (6 h) as an abundant protein in the cell wall of intracellular bacteria. Other surface proteins covalently bound to the peptidoglycan, as Lmo0514 and Lmo2085, were detected exclusively in intracellular and extracellular bacteria, respectively. Altogether, these data provide the first insights into the changes occurring at the protein level in the L. monocytogenes cell wall as the pathogen transits from the extracellular environment to an intracytosolic lifestyle inside eukaryotic cells. Some of these changes include alterations in the relative amount and the mode of association of certain surface proteins.

Indexed as

Bacterial ProteinsCell LineCell MembraneCell WallChromatography, LiquidHumansListeria monocytogenesMembrane ProteinsMicroscopy, Electron, TransmissionPeptidesPolysaccharidesProtein Structure, TertiaryProteomicsSubcellular FractionsTandem Mass SpectrometryTime FactorsactA protein, Listeria monocytogenesBacterial ProteinsMembrane ProteinsPeptidesPolysaccharides

Identifiers

PMID21846725
PMCPMC3186376
OpenAlexW1972753930

What OpenQuestion holds

Textmetadata
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.