Understanding how gut bacteria protect against Shigella infection

Defining human gut microbiome-mediated protection against Shigella infection

NIH-funded research University of California Berkeley · NIH-11094037

This study is looking at how the bacteria in our gut might help protect us from getting sick with Shigella, which causes diarrhea, by examining stool samples from people before they are exposed to the infection and testing it in mice to see how these helpful bacteria work.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California Berkeley NIH-funded
Lab location1 site (Berkeley, United States)
Project IDNIH-11094037 on NIH RePORTER

What this research studies

This research investigates the role of the human gut microbiome in providing protection against Shigella infection, a major cause of diarrheal disease. By analyzing stool samples from individuals before they are exposed to Shigella, researchers aim to identify specific gut bacteria that may confer resistance to the infection. The study will utilize a novel mouse model to further explore how these bacteria interact with Shigella and inhibit its growth. Through advanced sequencing techniques and bacterial culture experiments, the research seeks to uncover the mechanisms behind microbiome-mediated protection.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals with diverse gut microbiomes, particularly those who have been exposed to Shigella or are at risk of infection.

Not a fit: Patients who have a compromised gut microbiome or those who are already infected with Shigella may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing Shigella infections, particularly in vulnerable populations such as children.

How similar studies have performed: Previous research has shown promise in understanding the protective roles of gut microbiomes against various infections, suggesting that this approach could yield valuable insights.

Where this research is happening

Berkeley, 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.