How certain proteins in probiotics help them attach to the gut

Serine-rich repeat proteins in evolution of Lactobacillus-host specificity

NIH-funded research Carnegie Institution of Washington, D.c. · NIH-10808208

This study is looking at how certain proteins in friendly bacteria, like Lactobacillus plantarum, help them stick to your gut, which could lead to better probiotics for keeping your digestive system healthy.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionCarnegie Institution of Washington, D.c. NIH-funded
Lab location1 site (Washington, United States)
Project IDNIH-10808208 on NIH RePORTER

What this research studies

This research investigates how specific proteins called serine-rich repeat proteins (SRRPs) in probiotic bacteria, particularly Lactobacillus plantarum, help these bacteria attach to the gut lining. By understanding the evolution and function of these proteins, the research aims to uncover how they enhance the bacteria's ability to colonize and thrive in the digestive tract. The study will utilize advanced imaging techniques to observe these interactions in living animals, providing insights into the competitive dynamics between different bacterial species in the gut. This knowledge could lead to improved probiotic formulations that better support gut health.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals interested in improving their gut health or those suffering from gastrointestinal issues.

Not a fit: Patients with no interest in probiotics or those who do not have gastrointestinal health concerns may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective probiotics that enhance gut health and prevent infections.

How similar studies have performed: Previous research has shown promising results in understanding the role of bacterial adhesion in gut health, making this approach both relevant and potentially impactful.

Where this research is happening

Washington, 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.