How vitamin B12-related molecules shape gut microbes

Microbial Corrinoid Metabolism Across Scales: From Molecular Specificity to Community Dynamics

['FUNDING_OTHER'] · UNIVERSITY OF CALIFORNIA BERKELEY · NIH-11260976

This work looks at how different forms of vitamin B12 and related molecules influence which microbes thrive together, including those in the human gut.

Quick facts

Phase['FUNDING_OTHER']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CALIFORNIA BERKELEY (nih funded)
Locations1 site (BERKELEY, UNITED STATES)
Trial IDNIH-11260976 on ClinicalTrials.gov

What this research studies

Researchers use a 'corrinoid' model (the vitamin B12 family) to study effects from single genes and enzymes up to whole microbial communities. They combine genetic and biochemical experiments with lab-grown pairs and synthetic gut communities, and compare those results to soil and human gut-derived culture samples. The team tracks which microbes prefer which corrinoids and how those preferences change community make-up. The goal is to learn how nutrient sharing among microbes affects community assembly and, ultimately, human health.

Who could benefit from this research

Good fit: People willing to provide stool samples or participate in gut microbiome studies, including healthy volunteers and those with gut-related conditions, would be ideal candidates.

Not a fit: Those seeking immediate clinical treatments or people with conditions unrelated to the gut microbiome are unlikely to gain direct benefit from this research.

Why it matters

Potential benefit: If successful, this work could point to ways to steer the gut microbiome using specific vitamin B12 forms or related compounds to promote healthier microbial communities.

How similar studies have performed: Prior laboratory work has shown that different corrinoids can change microbial community composition, but translating those findings into patient-directed treatments is still early.

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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.