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Published on: January 1, 2016
Quorum-sensing systems in staphylococci as therapeutic targets
Niamh Harraghy1, Sylvain Kerdudou, Mathias Herrmann
1Institute of Medical Microbiology and Hygiene, Saarland University Hospital, Building 43, 66421, Homburg/Saar, Germany. bhnhar@uniklinik-saarland.de
Abstract:
The staphylococci are an ever-present threat in our world, capable of causing a wide range of infections, and are a persistent presence in the clinical environment. As the number of antimicrobial compounds effective against staphylococci decreases, because of the acquisition and spread of antibiotic resistance, there is a growing need for novel therapeutic molecules. Intra and inter-species communication (quorum sensing) is a biologically significant phenomenon that has been associated with virulence, intracellular survival, and biofilm formation. Quorum sensing molecules of staphylococci and other species (e.g. Pseudomonas aeruginosa) can inhibit virulence factor production and/or growth of staphylococci, leading to the possibility that interference with staphylococcal quorum-sensing systems could be a way of controlling the diverse infections caused by the staphylococci. In this article, we discuss the potential of quorum-sensing systems of staphylococci as therapeutic targets.
Insights
Staphylococci infections are increasing due to antibiotic resistance. Targeting bacterial communication (quorum sensing) offers a promising strategy for developing new therapies against these resilient pathogens.
Area of Science:
- Microbiology
- Infectious Diseases
- Drug Discovery
Background:
- Staphylococci are significant human pathogens causing diverse infections.
- Increasing antibiotic resistance necessitates novel therapeutic approaches.
- Bacterial communication, or quorum sensing, influences staphylococcal virulence and survival.
Purpose of the Study:
- To explore staphylococcal quorum sensing as a potential therapeutic target.
- To investigate the role of quorum sensing in staphylococcal pathogenesis.
- To identify novel strategies for combating staphylococcal infections.
Main Methods:
- Review of current literature on staphylococcal quorum sensing.
- Analysis of quorum sensing molecules from staphylococci and other bacteria.
- Evaluation of quorum sensing interference as an antimicrobial strategy.
Main Results:
- Quorum sensing regulates key virulence factors and biofilm formation in staphylococci.
- Interference with staphylococcal quorum sensing can inhibit virulence and growth.
- Quorum sensing molecules from other species may impact staphylococcal pathogenicity.
Conclusions:
- Staphylococcal quorum sensing systems represent a viable target for novel antimicrobial therapies.
- Targeting quorum sensing could circumvent existing antibiotic resistance mechanisms.
- Further research into quorum sensing modulation holds potential for controlling staphylococcal infections.
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