How pneumococcal bacteria change their cell walls to survive antibiotics
Discovery and characterization of bacterial cell envelope assembly and remodeling networks that modulate tolerance to antibiotics
This work looks at how Streptococcus pneumoniae controls its cell wall and how that affects whether antibiotics can kill it, which could help people with pneumococcal infections.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Univ of Massachusetts Med Sch Worcester NIH-funded |
| Lab location | 1 site (Worcester, United States) |
| Project ID | NIH-11319776 on NIH RePORTER |
What this research studies
Researchers are examining the tiny components that make up the outer layer of Streptococcus pneumoniae, the bacteria that cause pneumonia, to see how they control opening and repair of the cell wall. In lab experiments the team uses genetic tools, biochemical tests, and microscopy to track enzymes called peptidoglycan hydrolases and cell envelope polymers called teichoic acids. They are testing how commonly used antibiotics disrupt these controls and trigger bacterial lysis. Although the work is carried out in bacterial cultures, the findings could point to ways to make antibiotics more effective against human infections.
Who could benefit from this research
Good fit: People who have or are at high risk for Streptococcus pneumoniae infections would be the eventual beneficiaries and potential participants in any future clinical follow-up, though this project itself is lab-based.
Not a fit: Patients with infections caused by unrelated bacteria or those needing immediate treatment are unlikely to receive direct benefit from this laboratory-focused work.
Why it matters
Potential benefit: Could point to new antibiotic strategies that make drugs more effective against pneumococcal infections and help prevent treatment failure.
How similar studies have performed: Existing antibiotics that target cell wall synthesis work well in many cases, but targeting the regulatory systems that control cell-wall breakdown is a newer, mostly experimental approach.
Where this research is happening
Worcester, United States
- Univ of Massachusetts Med Sch Worcester — Worcester, United States (Active)
Researchers
- Principal investigator: Flores-Kim, Josue — Univ of Massachusetts Med Sch Worcester
- Study coordinator: Flores-Kim, Josue
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.