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| Content Provider | Taylor & Francis Online |
|---|---|
| Author | Romero, Manuel Mayer, Celia Muras, Andrea Camino, Tamara Otero, Ana Mira, Alex Ferrer, Maria D. |
| Abstract | Background: Previous studies have suggested the quorum sensing signal AI-2 as a potential target to prevent the biofilm formation by Streptococcus mutans, a pathogen involved in tooth decay.Objective: To obtain inhibition of biofilm formation by S. mutans by extracts obtained from the marine bacterium Tenacibaculum sp. 20J interfering with the AI-2 quorum sensing system.Design: The AI-2 inhibitory activity was tested with the biosensors Vibrio harveyi BB170 and JMH597. S. mutans ATCC25175 biofilm formation was monitored using impedance real-time measurements with the xCELLigence system®, confocal laser microscopy, and the crystal violet quantification method.Results: The addition of the cell extract from Tenacibaculum sp. 20J reduced biofilm formation in S. mutans ATCC25175 by 40–50% compared to the control without significantly affecting growth. A decrease of almost 40% was also observed in S. oralis DSM20627 and S. dentisani 7747 biofilms.Conclusions: The ability of Tenacibaculum sp. 20J to interfere with AI-2 and inhibit biofilm formation in S. mutans was demonstrated. The results indicate that the inhibition of quorum sensing processes may constitute a suitable strategy for inhibiting dental plaque formation, although additional experiments using mixed biofilm models would be required. |
| File Format | PDF HTM / HTML |
| ISSN | 20002297 |
| DOI | 10.1080/20002297.2018.1429788 |
| Journal | Journal of Oral Microbiology |
| Volume Number | 10 |
| Issue Number | 1 |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2018-01-30 |
| Access Restriction | Open |
| Subject Keyword | Quorum sensing Quorum quenching AI-2 Biofilms Dental plaque Streptococci |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology (medical) Dentistry Infectious Diseases 3500/3501 |
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