NIH-funded research R21 grant

Understanding how certain bacteria produce a potent neurotoxin found in pufferfish.

Official title: Mechanisms of Tetrodotoxin Synthesis in Microbial Symbionts

Funded at Michigan State University · NIH-11033283 · Data updated 2026-11-12

This study is looking at how certain bacteria from newts make a strong toxin called tetrodotoxin, which could help improve food safety and lead to new medicines, and it's for anyone interested in understanding more about this fascinating process.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMichigan State University
NIH-funded
Lab location1 site (East Lansing, United States)
Project startNovember 22, 2024
Project endOctober 31, 2026
Funding year2025
Award (this year)$220,096
NIH project number1R21AI187801-01
Project IDNIH-11033283 on NIH RePORTER

Who could benefit from this research

Could help

Patients who consume seafood, particularly pufferfish, or those interested in the therapeutic potential of neurotoxins may benefit from this research.

Less likely to help

Patients who do not consume seafood or are not affected by neurotoxic compounds are unlikely to benefit from this research.

What this research studies

This research investigates the mechanisms by which tetrodotoxin (TTX), a powerful neurotoxin, is synthesized by specific bacteria associated with newts. By isolating these bacteria from the skin of newts, the researchers aim to uncover the genetic and biochemical pathways involved in TTX production. This could lead to the development of new assays for detecting TTX in food, enhancing food safety, and potentially discovering new therapeutic compounds derived from TTX analogs. The study employs a combination of genetic, biochemical, and microbiological techniques to achieve its goals.

Why it matters

Potential benefit: If successful, this research could improve food safety by providing better detection methods for tetrodotoxin in seafood.

How similar studies have gone: While the mechanisms of TTX production are not well understood, similar research on microbial biosynthesis has shown promise in other contexts, suggesting potential for success in this area.

Where this research is happening

  • Michigan State University
    East Lansing, United States
    Active

Researchers

  • Principal investigator: Eisthen, Heather L — Michigan State University
  • Study coordinator: Eisthen, Heather L

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.
Last reviewed 2026-11-14 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.