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Updated: May 8, 2026
07:47
Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases
Published on: January 1, 2016
Resistance to quorum-quenching compounds
Rodolfo García-Contreras1, Toshinari Maeda, Thomas K Wood
1Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan, Mexico City, Mexico.
Applied and Environmental Microbiology
|September 10, 2013
Summary
Bacteria can evolve resistance to quorum-quenching compounds, meaning quorum sensing (QS) inhibition may not be a universal solution for controlling bacterial virulence and biofilms.
Area of Science:
- Microbiology
- Bacterial Communication
- Antimicrobial Resistance
Background:
- Bacteria utilize quorum sensing (QS) for group communication, influencing critical phenotypes like virulence and biofilm formation.
- Bacterial resistance to antimicrobials is a significant and evolving challenge in medicine.
Purpose of the Study:
- To review the evidence regarding bacterial evolution of resistance to quorum-quenching (QQ) compounds.
- To assess the potential of QS inhibition as a sustainable strategy against bacterial infections.
Main Methods:
- Literature review of studies investigating bacterial adaptation to QQ strategies.
- Analysis of documented mechanisms of resistance development against QQ agents.
Main Results:
- Evidence indicates that bacteria can, and do, evolve resistance to compounds designed to inhibit quorum sensing.
- This resistance can compromise the efficacy of QS inhibition as an antimicrobial approach.
Conclusions:
- Quorum sensing inhibition, while promising, is not inherently impervious to bacterial resistance.
- The evolution of resistance to quorum-quenching necessitates ongoing research into novel anti-virulence strategies and combination therapies.
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