ArticleInfection and immunity2011
The Agr-like quorum-sensing system regulates sporulation and production of enterotoxin and beta2 toxin by Clostridium perfringens type A non-food-borne human gastrointestinal disease strain F5603.
Article in Infection and immunity, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.
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.
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.
Who cites it
70 citing papers in PubMed, 117 citations in OpenAlex.
- Measuring Communication in Microbial Biofilms in Response to Antibiotics, Phytochemicals and Stressors.Antioxidants (Basel, Switzerland) · 2026Article
- Understanding Quorum-Sensing and Biofilm Forming in Anaerobic Bacterial Communities.International journal of molecular sciences · 2024Review
- The biology and pathogenicity ofMicrobiology and molecular biology reviews : MMBR · 2024Review
- Quorum Sensing Inhibitors: An Alternative Strategy to Win the Battle against Multidrug-Resistant (MDR) Bacteria.Molecules (Basel, Switzerland) · 2024Review
- SpoIVA is an essential morphogenetic protein for the formation of heat- and lysozyme-resistant spores inFrontiers in microbiology · 2024Article
- Characterization of thermostable bacteriophage CPD2 and its endolysin LysCPD2 as biocontrol agents againstFood science and biotechnology · 2023Article
- Structural basis of peptide secretion for Quorum sensing by ComA.Nature communications · 2023Article
- The RgaS-RgaR two-component system promotes Clostridioides difficile sporulation through a small RNA and the Agr1 system.PLoS genetics · 2023Article
- The RgaS-RgaR two-component system promotesbioRxiv : the preprint server for biology · 2023Article
- Article
- Diversity of bet-hedging strategies in microbial communities-Recent cases and insights.WIREs mechanisms of disease · 2022Review
- Autoinducing peptide-based quorum signaling systems in Clostridioides difficile.Current opinion in microbiology · 2022Review
- Agr Quorum Sensing influences the Wood-Ljungdahl pathway in Clostridium autoethanogenum.Scientific reports · 2022Article
- Pathogenicity and virulence ofVirulence · 2021Article
- Bacterial virulence factors: a target for heterocyclic compounds to combat bacterial resistance.RSC advances · 2021Review
- Epigallocatechin gallate and Lactobacillus plantarum culture supernatants exert bactericidal activity and reduce biofilm formation in Clostridium perfringens.Folia microbiologica · 2021Article
- Identifying the Basis for VirS/VirR Two-Component Regulatory System Control of Clostridium perfringens Beta-Toxin Production.Journal of bacteriology · 2021Article
- A Novel PilR/PilS Two-Component System Regulates Necrotic Enteritis Pilus Production in Clostridium perfringens.Journal of bacteriology · 2021Article
- Enzyme-Primed Native Chemical Ligation Produces Autoinducing Cyclopeptides in Clostridia.Angewandte Chemie (International ed. in English) · 2021Article
- Sporulation in solventogenic and acetogenic clostridia.Applied microbiology and biotechnology · 2021Review
10 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Clostridium perfringens type A strains producing enterotoxin (CPE) cause one of the most common bacterial food-borne illnesses, as well as many cases of non-food-borne human gastrointestinal disease. Recent studies have shown that an Agr-like quorum-sensing system controls production of chromosomally encoded alpha-toxin and perfringolysin O by C. perfringens, as well as sporulation by Clostridium botulinum and Clostridium sporogenes. The current study explored whether the Agr-like quorum-sensing system also regulates sporulation and production of two plasmid-encoded toxins (CPE and beta2 toxin) that may contribute to the pathogenesis of non-food-borne human gastrointestinal disease strain F5603. An isogenic agrB null mutant was inhibited for production of beta2 toxin during vegetative growth and in sporulating culture, providing the first evidence that, in C. perfringens, this system can control production of plasmid-encoded toxins as well as chromosomally encoded toxins. This mutant also showed reduced production of alpha-toxin and perfringolysin O during vegetative growth. Importantly, when cultured in sporulation medium, the mutant failed to efficiently form spores and was blocked for CPE production. Complementation partially or fully reversed all phenotypic changes in the mutant, confirming that they were specifically due to inactivation of the agr locus. Western blots suggest that this loss of sporulation and sporulation-specific CPE production for the agrB null mutant involves, at least in part, Agr-mediated regulation of production of Spo0A and alternative sigma factors, which are essential for C. perfringens sporulation.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.