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Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases
Published on: January 1, 2016
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Quorum quenching agents: resources for antivirulence therapy
1College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China. kaihao.tang@gmail.com.
Marine Drugs
|June 3, 2014
Summary
Antibiotic resistance is a growing threat. Marine microorganisms offer promising natural quorum quenching (QQ) agents as novel antivirulence therapies, targeting bacterial communication without promoting resistance.
Area of Science:
- Microbiology
- Marine Biotechnology
- Drug Discovery
Background:
- Emerging antibiotic-resistant pathogens pose a significant threat to human health.
- Quorum sensing (QS) controls virulence in many bacteria, making it a key target for antivirulence strategies.
- Antivirulence therapies offer an alternative by inhibiting virulence rather than cell growth, reducing resistance evolution.
Purpose of the Study:
- To highlight the potential of quorum quenching (QQ) agents derived from marine microorganisms as a therapeutic strategy.
- To underscore the untapped potential of marine environments for discovering novel QQ agents.
- To emphasize the value of marine microorganism-derived QQ agents for developing new antivirulence therapies.
Main Methods:
- Review of existing literature on quorum sensing (QS) and quorum quenching (QQ) mechanisms.
- Identification and analysis of known marine QQ bacteria and their derived agents.
- Exploration of the diversity of marine microbial communities as a source for novel QQ agents.
Main Results:
- Quorum quenching (QQ) agents, produced by microorganisms, can inhibit bacterial virulence.
- Marine environments harbor a vast, largely unexplored diversity of QQ microorganisms.
- Over 30 species of marine QQ bacteria have been identified, though few are well-studied.
Conclusions:
- Marine microorganism-derived QQ agents represent a valuable, underexplored resource for developing novel antivirulence therapies.
- Targeting bacterial QS offers a promising avenue to combat antibiotic resistance.
- Further research into marine QQ agents is crucial for advancing therapeutic strategies against resistant pathogens.
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