How Candida yeast and Streptococcus bacteria team up to cause severe tooth decay in young children
C. albicans interactions with S. mutans modulate cariogenic biofilm formation and virulence
This work looks at how the common mouth yeast Candida and the cavity-causing bacterium Streptococcus mutans interact in plaque to explain severe tooth decay in young children.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project ID | NIH-11300210 on NIH RePORTER |
What this research studies
This research explores how Candida albicans and Streptococcus mutans form organized clusters in saliva and on tooth surfaces that speed up plaque growth and acid damage. Scientists will use samples from affected children, lab-grown biofilm models, and animal experiments to see how fungal filaments help the bacteria spread and destroy enamel. They will also test whether stopping fungal growth or filament formation can prevent the harmful spreading of these mixed communities. The aim is to identify targets that could lead to new ways to prevent or reduce rapid tooth decay in infants and young children.
Who could benefit from this research
Good fit: Children with severe early-childhood caries (S-ECC) or their caregivers who can provide saliva or plaque samples would be the most likely candidates for participation.
Not a fit: People without Candida or S. mutans in their mouths, adults with different types of dental disease, or those seeking immediate clinical treatment rather than research participation may not directly benefit.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or treat severe early-childhood cavities by blocking the harmful yeast–bacteria interaction.
How similar studies have performed: Prior lab and animal studies have shown Candida enhances S. mutans virulence and worsens decay, but translating these findings into human treatments remains new and unproven.
Where this research is happening
Philadelphia, United States
- University of Pennsylvania — Philadelphia, United States (Active)
Researchers
- Principal investigator: Koo, Hyun — University of Pennsylvania
- Study coordinator: Koo, Hyun
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.