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Anti-virulent Disruption of Pathogenic Biofilms using Engineered Quorum-quenching Lactonases
Published on: January 1, 2016
Antimicrobials: targeting virulence genes necessary for intracellular multiplication
Jean-Pierre Liautard1, Véronique Jubier-Maurin, Rose-Anne Boigegrain
1INSERM U-431, Université Montpellier 2, F34095 Montpellier, France. liautard@univ-montp2.fr
Abstract:
Intracellular bacteria constitute a major class of pathogens for humans and animals. Their pathogenicity is linked to their ability to multiply inside a host cell. A set of virulence genes (virulome) is required for this intracellular lifestyle. Recent studies have shown that blocking the enzymes encoded by these virulence genes impairs intracellular multiplication of the pathogen. These specific factors could constitute a new set of possible targets for antimicrobial drugs. The potential advantages, pitfalls and challenges of a strategy that targets these virulence factors are discussed.
Insights
Intracellular bacteria cause disease by multiplying within host cells. Targeting their virulence factors, essential for this lifestyle, offers a promising new strategy for developing antimicrobial drugs.
Area of Science:
- Microbiology
- Pathogenesis
- Drug Discovery
Background:
- Intracellular bacteria are significant human and animal pathogens.
- Their ability to multiply within host cells is key to their pathogenicity.
- Virulence genes (virulome) encode factors essential for intracellular survival and multiplication.
Purpose of the Study:
- To explore the potential of targeting bacterial virulence factors as a novel antimicrobial drug strategy.
- To discuss the advantages, pitfalls, and challenges associated with targeting these factors.
Main Methods:
- Review of recent studies on the role of bacterial enzymes in intracellular multiplication.
- Analysis of the virulome's contribution to pathogen survival.
- Discussion of therapeutic strategies targeting virulence factors.
Main Results:
- Blocking enzymes encoded by virulence genes inhibits pathogen intracellular multiplication.
- Virulence factors represent druggable targets for novel antimicrobial therapies.
- Targeting these factors could overcome resistance mechanisms associated with traditional antibiotics.
Conclusions:
- Virulence factors of intracellular bacteria are viable targets for new antimicrobial drug development.
- This approach offers a promising alternative to conventional antibiotics.
- Careful consideration of potential challenges is necessary for successful implementation.
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