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Updated: May 19, 2026
03:29
Synthesis and Assay of Vibrio Quorum Sensing Inhibitors
Published on: May 31, 2024
LuxS and quorum-sensing in Campylobacter.
1Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames IA, USA. pplummer@iastate.edu
Frontiers in Cellular and Infection Microbiology
|August 25, 2012
Summary
Campylobacter jejuni uses the LuxS enzyme for intercellular communication via autoinducer-2 (AI-2). This system influences motility, virulence, and colonization, highlighting its importance in bacterial physiology.
Area of Science:
- Microbiology
- Bacterial Communication
- Quorum Sensing
Background:
- Intercellular bacterial communication, known as quorum sensing, regulates various bacterial processes.
- Campylobacter jejuni possesses a partially characterized LuxS/autoinducer-2 (AI-2) system.
- AI-2 is a byproduct of the activated methyl recycling pathway, synthesized by the LuxS enzyme.
Purpose of the Study:
- To review current research on the LuxS system in Campylobacter jejuni.
- To elucidate the role of LuxS in C. jejuni metabolism and intercellular communication.
- To discuss evidence for other quorum-sensing pathways in Campylobacter.
Main Methods:
- Literature review of existing research on LuxS in C. jejuni.
- Analysis of studies investigating AI-2 mediated pathways.
- Synthesis of findings on Campylobacter quorum sensing.
Main Results:
- The LuxS/AI-2 system in C. jejuni is implicated in motility, autoagglutination, and cytolethal distending toxin (CDT) expression.
- This system also affects flagellar expression, oxidative stress response, and animal colonization.
- Evidence suggests the involvement of other quorum-sensing systems in Campylobacter species.
Conclusions:
- The LuxS/AI-2 system plays a crucial role in C. jejuni physiology and intercellular communication.
- Understanding this system provides insights into bacterial metabolism and virulence.
- Further research into Campylobacter quorum sensing is warranted.
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