NIH-funded research R21 grant

Understanding how C. difficile changes its colony shape

Official title: Determinants of Clostridioides difficile colony dimorphism

Funded at Univ of North Carolina Chapel Hill · NIH-11127735 · Data updated 2026-11-12

This study is looking at the different shapes of the bacteria that cause serious gut infections, to find out which genes influence these shapes and how they might affect the bacteria's ability to spread and cause illness, with the hope of finding better ways to fight these infections.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniv of North Carolina Chapel Hill
NIH-funded
Lab location1 site (Chapel Hill, United States)
Project startJuly 1, 2024
Project endMay 31, 2026
Funding year2025
Award (this year)$194,375
NIH project number5R21AI186221-02
Project IDNIH-11127735 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have experienced antibiotic-associated diarrhea or C. difficile infections.

Less likely to help

Patients with infections caused by other bacteria or those who have not taken antibiotics may not benefit from this research.

What this research studies

This research investigates the different colony shapes of the bacteria Clostridioides difficile, which can cause severe intestinal infections. The study aims to identify the genes responsible for these colony forms and how they affect the bacteria's ability to move, form biofilms, and cause disease. By using various laboratory techniques, researchers will explore the relationship between the colony morphology and the bacteria's virulence. This could lead to a better understanding of how to combat infections caused by C. difficile.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing and treating infections caused by C. difficile.

How similar studies have gone: Previous research has shown that understanding bacterial morphology can lead to significant advancements in treatment strategies, suggesting that this approach has potential for success.

Where this research is happening

  • Univ of North Carolina Chapel Hill
    Chapel Hill, United States
    Active

Researchers

  • Principal investigator: Tamayo, Rita — Univ of North Carolina Chapel Hill
  • Study coordinator: Tamayo, Rita

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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.