How viral DNA in gut bacteria affects probiotic functions

Prophage-mediated regulation of antimicrobial production

NIH-funded research University of Wisconsin-Madison · NIH-11031191

This study is looking at how certain viral DNA in probiotic bacteria helps them produce a helpful substance called reuterin, which can improve gut health, and it aims to find ways to make probiotics even better for you.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Wisconsin-Madison NIH-funded
Lab location1 site (Madison, United States)
Project IDNIH-11031191 on NIH RePORTER

What this research studies

This research investigates the role of prophages, which are viral DNA segments within bacteria, in regulating the production of a beneficial antimicrobial substance called reuterin by probiotic bacteria. The study aims to understand the mechanisms through which these prophages influence bacterial metabolism and how this interaction can affect gut health. By examining the relationship between probiotic bacteria and their prophages, the research seeks to uncover insights that could lead to improved probiotic therapies for enhancing human health. The approach includes both laboratory experiments and in vivo assessments to evaluate the ecological impact of these interactions.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with gastrointestinal disorders or those interested in improving their gut health through probiotics.

Not a fit: Patients who do not have any gastrointestinal issues or those who are not interested in probiotic treatments may not benefit from this research.

Why it matters

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

How similar studies have performed: While the role of prophages in pathogenic bacteria has been studied, this research explores a novel approach focusing on their impact on probiotic bacteria, making it a relatively untested area.

Where this research is happening

Madison, 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.