How C. difficile proteins help spores survive

Impact of the C. difficile small acid soluble proteins on spore physiology

NIH-funded research Texas A&m University · NIH-11141583

This work looks at tiny C. difficile proteins that help bacterial spores survive harsh conditions, with the goal of helping people at risk of C. difficile infection.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTexas A&m University NIH-funded
Lab location1 site (College Station, United States)
Project IDNIH-11141583 on NIH RePORTER

What this research studies

In the lab, researchers will examine small acid soluble proteins (SASPs) made by C. difficile and how they protect dormant spores. They will create bacterial strains missing these proteins and compare spore survival after UV light, acids, reactive oxygen, heat, and other stresses. The team will also study how SASPs bind DNA and influence the process of spore formation. All experiments will use microbiology and molecular techniques at Texas A&M to map the proteins' roles.

Who could benefit from this research

Good fit: People who have had C. difficile infections or are at high risk in hospitals or long-term care settings would be most relevant to these findings.

Not a fit: People with diarrhea from other non–C. difficile causes or those not exposed to healthcare settings are unlikely to see direct benefit from this lab work.

Why it matters

Potential benefit: If successful, this could point to new ways for hospitals to target and destroy C. difficile spores and reduce infections.

How similar studies have performed: Related work in other spore-forming bacteria shows SASPs protect spores, and early data in C. difficile suggest similar roles, but detailed mechanisms in C. difficile remain novel.

Where this research is happening

College Station, 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 2026-06-09 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.