Evidence map›Paper›PMID 26711778›Full record

ArticleAntimicrobial agents and chemotherapy2015

The Staphylococcus aureus Chaperone PrsA Is a New Auxiliary Factor of Oxacillin Resistance Affecting Penicillin-Binding Protein 2A.

Ambre Jousselin, Caroline Manzano, Alexandra Biette, Patricia Reed, Mariana G Pinho, Adriana E Rosato, William L Kelley, Adriana Renzoni

Open access · bronzeAbstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 7% 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

47 citing papers in PubMed, 1 synthesis or guideline pooled it, 75 citations in OpenAlex.

  1. Pooled it
  2. Mutation of lipoprotein processing pathway geneAntimicrobial agents and chemotherapy · 2026
    Article
  3. Methicillin-resistantiScience · 2026
    Review
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  7. Article
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  19. Article
  20. Targeting the Achilles' Heel of Multidrug-ResistantInternational journal of molecular sciences · 2022
    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

8 authors at 3 institutions in 3 countries.

Ambre JousselinInfectious Diseases Service, University Hospital and Medical School of Geneva, Geneva, Switzerland Laboratory of Bacterial Cell Biology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal.
Caroline ManzanoInfectious Diseases Service, University Hospital and Medical School of Geneva, Geneva, Switzerland.
Alexandra BietteInfectious Diseases Service, University Hospital and Medical School of Geneva, Geneva, Switzerland.
Patricia ReedLaboratory of Bacterial Cell Biology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal.
Mariana G PinhoLaboratory of Bacterial Cell Biology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal.
Adriana E RosatoHouston Methodist Research Institute, Houston, Texas, USA.
William L KelleyInfectious Diseases Service, University Hospital and Medical School of Geneva, Geneva, Switzerland.
Adriana RenzoniInfectious Diseases Service, University Hospital and Medical School of Geneva, Geneva, Switzerland adriana.renzoni@hcuge.ch.
University Hospital of Geneva · CHUniversidade Nova de Lisboa · PTHouston Methodist · US

Funding

Biology of Fungal MelaninR01AI052733 · NIAID · YESHIVA UNIVERSITY · PI CASADEVALL, ARTURO · 2003 to 2019
$6.6M
Molecular bases of DAP-resistance-mediated sensitization to beta-lactams in MRSAR56AI102503 · NIAID · METHODIST HOSPITAL RESEARCH INSTITUTE · PI ROSATO, ADRIANA E · 2014 to 2014
$300k
European Research Council 310987NIAID NIH HHS AI052733NIAID NIH HHS R56 AI102503
6 · The paper itself

Abstract

Expression of the methicillin-resistant S. aureus (MRSA) phenotype results from the expression of the extra penicillin-binding protein 2A (PBP2A), which is encoded by mecA and acquired horizontally on part of the SCCmec cassette. PBP2A can catalyze dd-transpeptidation of peptidoglycan (PG) because of its low affinity for β-lactam antibiotics and can functionally cooperate with the PBP2 transglycosylase in the biosynthesis of PG. Here, we focus upon the role of the membrane-bound PrsA foldase protein as a regulator of β-lactam resistance expression. Deletion of prsA altered oxacillin resistance in three different SCCmec backgrounds and, more importantly, caused a decrease in PBP2A membrane amounts without affecting mecA mRNA levels. The N- and C-terminal domains of PrsA were found to be critical features for PBP2A protein membrane levels and oxacillin resistance. We propose that PrsA has a role in posttranscriptional maturation of PBP2A, possibly in the export and/or folding of newly synthesized PBP2A. This additional level of control in the expression of the mecA-dependent MRSA phenotype constitutes an opportunity to expand the strategies to design anti-infective agents.

Indexed as

Anti-Bacterial AgentsBacterial Proteinsbeta-Lactam ResistanceLipoproteinsMembrane ProteinsMethicillin-Resistant Staphylococcus aureusMicrobial Sensitivity TestsOxacillinPenicillin-Binding ProteinsPeptidoglycanPeptidoglycan GlycosyltransferaseProtein FoldingRNA, MessengerAnti-Bacterial AgentsBacterial ProteinsLipoproteinsmecA protein, Staphylococcus aureusMembrane ProteinsOxacillinPenicillin-Binding ProteinsPeptidoglycanPeptidoglycan GlycosyltransferaseprsA protein, bacteriaRNA, Messenger

Identifiers

PMID26711778
PMCPMC4775990
OpenAlexW2208075267

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.