Investigating a new toxin in antibiotic-resistant bacteria

Novel Bacteroides fragilis Competition Factor in Carbapenem-Resistant Strains

NIH-funded research Washington University · NIH-11040316

This study is looking at a new toxin made by certain bacteria in the gut that can make infections harder to treat, and it aims to find out how this toxin helps these bacteria survive and resist antibiotics, which could help us come up with better ways to fight these tough infections.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11040316 on NIH RePORTER

What this research studies

This research focuses on understanding how a newly discovered toxin, Bcf1, produced by certain strains of Bacteroides fragilis, contributes to the competition among bacteria in the gut. These strains are known for their resistance to critical antibiotics, making infections difficult to treat. By examining the molecular mechanisms of this toxin, the research aims to uncover how it helps these bacteria thrive and resist treatment. This could lead to new strategies for combating antibiotic resistance in these harmful bacteria.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals with infections caused by antibiotic-resistant Bacteroides fragilis or those at risk of such infections.

Not a fit: Patients with infections caused by bacteria other than Bacteroides fragilis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments or strategies to combat antibiotic-resistant infections caused by Bacteroides fragilis.

How similar studies have performed: While the specific approach of targeting the Bcf1 toxin is novel, previous research has shown success in understanding bacterial competition and antibiotic resistance mechanisms.

Where this research is happening

Saint Louis, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.