Related Experiment Video
Updated: Dec 3, 2025

Author Spotlight: Advancing Therapeutics to Treat Vibriosis in Humans and Aquatic Organisms
Published on: May 31, 2024
Research progress of bacterial quorum sensing receptors: Classification, structure, function and characteristics
Li Yi1, Xiao Dong2, Daniel Grenier3
1College of Life Science, Luoyang Normal University, Luoyang, China; Key Laboratory of Molecular Pathogen and Immunology of Animal of Luoyang, Luoyang, China.
Quorum sensing (QS) receptors are key to bacterial communication, enabling intra- and inter-species interactions. Understanding these receptors is vital for exploring QS signaling and developing targeted drugs.
Area of Science:
- Microbiology
- Molecular Biology
- Biochemistry
Background:
- Microbial communities are integral to ecosystems.
- Quorum sensing (QS) is a critical cell-cell communication system in bacteria, utilizing autoinducer signaling molecules.
- QS systems comprise autoinducers and receptor proteins that regulate gene expression.
Purpose of the Study:
- To review various types of quorum sensing receptors across different bacterial species and environments.
- To detail the structure, function, and characteristics of well-defined QS receptors.
- To provide a foundation for understanding QS signaling mechanisms and developing novel therapeutics.
Main Methods:
- Literature review focusing on identified quorum sensing receptors.
- Systematic summarization of receptor structures and functions.
- Analysis of intra-species and inter-species QS communication.
Main Results:
- Numerous bacterial QS receptors have been identified, with varying structures and functions.
- Detailed characterization of typical receptors involved in diverse QS pathways.
- Highlighting the role of QS receptors in mediating bacterial interactions.
Conclusions:
- A comprehensive understanding of QS receptors is essential for elucidating QS signaling and regulatory networks.
- This knowledge aids in clarifying the ecological roles of QS.
- Provides a basis for designing targeted drugs to modulate QS pathways.
Related Concept Videos
Gene Regulation in Microbial Communities: Quorum Sensing
Bacterial Signaling
G Protein-coupled Receptors
GPCRs are also called heptahelical, 7TM, or serpentine receptors, and consist of seven (H1-H7) transmembrane alpha-helices that span the bilayer to form a cylindrical core. The transmembrane helices are connected by three extracellular loops and three...
Global Regulatory Systems
Transducer Mechanism: G Protein–Coupled Receptors
GPCRs are also called heptahelical,...
Types of RNA
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...

