Farming-linked gut bacteria and protection from childhood allergies

Gut Microbial Factors in Farming Lifestyle and Allergic Sensitization

NIH-funded research University of Rochester · NIH-11321253

This project looks at whether gut bacteria tied to a farming lifestyle help prevent eczema, food allergies, allergic rhinitis, and asthma in young children.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Rochester NIH-funded
Lab location1 site (Rochester, United States)
Project IDNIH-11321253 on NIH RePORTER

What this research studies

If my infant participates, researchers will compare the gut bacteria of babies from a traditional farming community (Old Order Mennonites) with those from urban/suburban Rochester to see which microbes are more common. They will measure bacterial byproducts such as short-chain fatty acids, tryptophan metabolites, and bile acids and follow how these change as the immune system develops. The team will link these microbiome and metabolite patterns to whether children develop eczema, food allergy, or other allergic conditions. Lab experiments may also be used to test how specific bacterial products affect immune cells.

Who could benefit from this research

Good fit: Ideal candidates are newborns and infants (and their families) who can provide stool samples and health follow-up, especially those from farming and urban settings.

Not a fit: Adults with long-established allergic diseases or people unable to provide samples and follow-up are unlikely to get direct benefit from participating.

Why it matters

Potential benefit: If successful, this work could point to new ways to prevent childhood allergies by changing gut bacteria or using beneficial bacterial products.

How similar studies have performed: Prior work shows farming exposures reduce asthma risk and links certain gut bacteria and metabolites to immune effects, but applying these findings to prevent eczema and food allergy is still largely unproven.

Where this research is happening

Rochester, 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.