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Porphyromonas gingivalis as a Model Organism for Assessing Interaction of Anaerobic Bacteria with Host Cells
Published on: December 17, 2015
Virulence properties of cariogenic bacteria
Howard K Kuramitsu1, Bing-Yan Wang
1Department of Oral Biology, State University of New York, Buffalo, NY 14214, USA. Kuramitsu@earthlink.net
BMC Oral Health
|August 29, 2006
Summary
Interactions between Streptococcus gordonii and Streptococcus mutans can reduce the virulence of S. mutans, offering a new strategy for preventing dental caries by modulating oral bacterial communities.
Area of Science:
- Microbiology
- Oral Health
- Dental Caries Research
Background:
- Streptococcus mutans is a primary cause of dental caries.
- Dental plaque's cariogenic potential arises from complex bacterial interactions, not just single species virulence.
- Understanding these interactions is crucial for novel caries prevention strategies.
Purpose of the Study:
- To investigate how Streptococcus mutans interacts with other biofilm bacteria.
- To determine the impact of Streptococcus gordonii on the cariogenic potential of Streptococcus mutans.
- To explore novel approaches for attenuating dental caries initiation.
Main Methods:
- Examined the effects of Streptococcus gordonii on Streptococcus mutans virulence properties.
- Assessed changes in bacteriocin production, genetic transformation, and biofilm formation.
- Studied the influence of inter-species interactions within dental plaque biofilms.
Main Results:
- Streptococcus gordonii was found to attenuate key virulence factors of Streptococcus mutans.
- Specific virulence properties affected include bacteriocin production, genetic transformation, and biofilm formation.
- These findings suggest a significant role for bacterial interactions in modulating cariogenicity.
Conclusions:
- Modulating interactions between oral bacteria, specifically Streptococcus gordonii and Streptococcus mutans, can reduce virulence.
- Targeting inter-bacterial communication within dental plaque presents a promising avenue for caries prevention.
- This research opens new possibilities for developing non-invasive strategies against dental caries.
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