ArticlePloS one2016
Thiophenone Attenuates Enteropathogenic Escherichia coli O103:H2 Virulence by Interfering with AI-2 Signaling.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Fungal biofilm formation and quorum sensing: Regulatory mechanisms and control strategies.World journal of microbiology & biotechnology · 2026Review
- BACON: decoding the dynamic social networks of complex microbial communities at single-cell resolution.Briefings in bioinformatics · 2026Article
- Quercetin Can Alleviate ETECK88-Induced Oxidative Stress in Weaned Piglets by Inhibiting Quorum-Sensing Signal Molecule Autoinducer-2 Production in the Cecum.Antioxidants (Basel, Switzerland) · 2025Article
- Salmonellosis: An Overview of Epidemiology, Pathogenesis, and Innovative Approaches to Mitigate the Antimicrobial Resistant Infections.Antibiotics (Basel, Switzerland) · 2024Review
- Antimicrobial Resistance and Recent Alternatives to Antibiotics for the Control of Bacterial Pathogens with an Emphasis on Foodborne Pathogens.Antibiotics (Basel, Switzerland) · 2023Review
- What makes another life possible in bacteria? Global regulators as architects of bacterial biofilms.World journal of microbiology & biotechnology · 2022Review
- How does Quorum Sensing of Intestinal Bacteria Affect Our Health and Mental Status?Microorganisms · 2022Review
- Mechanisms of Inhibition of Quorum Sensing as an Alternative for the Control ofMicroorganisms · 2022Review
- Inhibition of enteropathogenic Escherichia coli biofilm formation by DNA aptamer.Molecular biology reports · 2020Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Interference with bacterial quorum sensing communication provides an anti-virulence strategy to control pathogenic bacteria. Here, using the Enteropathogenic E. coli (EPEC) O103:H2, we showed for the first time that thiophenone TF101 reduced expression of lsrB; the gene encoding the AI-2 receptor. Combined results of transcriptional and phenotypic analyses suggested that TF101 interfere with AI-2 signalling, possibly by competing with AI-2 for binding to LsrB. This is supported by in silico docking prediction of thiophenone TF101 in the LsrB pocket. Transcriptional analyses furthermore showed that thiophenone TF101 interfered with expression of the virulence genes eae and fimH. In addition, TF101 reduced AI-2 induced E. coli adhesion to colorectal adenocarcinoma cells. TF101, on the other hand, did not affect epinephrine or norepinephrine enhanced E. coli adhesion. Overall, our results showed that thiophenone TF101 interfered with virulence expression in E. coli O103:H2, suggestedly by interfering with AI-2 mediated quorum sensing. We thus conclude that thiophenone TF101 might represent a promising future anti-virulence agent in the fight against pathogenic E. coli.
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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.