NIH-funded research R21 grant

Understanding how a specific protein in streptococci helps bacteria use manganese

Official title: Characterization of a conserved streptococcal membrane protein affecting manganese utilization

Funded at Virginia Commonwealth University · NIH-11138269 · Data updated 2026-11-12

This study is looking at a specific protein in the bacteria Streptococcus sanguinis to see how it helps the bacteria take in manganese, which is important for their survival and ability to fight off stress, and the findings could help us understand more about how these bacteria behave and their weaknesses.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionVirginia Commonwealth University
NIH-funded
Lab location1 site (Richmond, United States)
Project startApril 1, 2025
Project endMarch 31, 2027
Funding year2025
Award (this year)$273,009
NIH project number1R21DE034103-01A1
Project IDNIH-11138269 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with infections caused by streptococcal bacteria, particularly those who may benefit from novel therapeutic approaches.

Less likely to help

Patients with infections caused by non-streptococcal bacteria or those not affected by manganese-related mechanisms may not benefit from this research.

What this research studies

This research investigates the role of a conserved membrane protein in the manganese uptake process of the bacteria Streptococcus sanguinis. Manganese is crucial for the bacteria's ability to tolerate oxygen and resist oxidative stress, which are important for their survival and virulence. The study will involve genetic analysis and structural characterization of the protein to uncover its function and how it affects manganese transport. By understanding these mechanisms, the research aims to provide insights into bacterial behavior and potential vulnerabilities.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for targeting bacterial infections by disrupting manganese utilization.

How similar studies have gone: While the specific approach of this research is novel, similar studies have shown success in understanding bacterial transport mechanisms and their implications for treatment.

Where this research is happening

  • Virginia Commonwealth University
    Richmond, United States
    Active

Researchers

  • Principal investigator: Kitten, Todd O. — Virginia Commonwealth University
  • Study coordinator: Kitten, Todd O.

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.