Understanding how certain bacteria fix nitrogen in various environments
Official title: In situ mechanisms of biological nitrogen fixation
Funded at California Institute of Technology · NIH-10993674 · Data updated 2026-11-12
This study is looking at how a special enzyme called nitrogenase works in certain bacteria, which could help us understand how to make plants grow better by improving their ability to use nitrogen, especially in different oxygen levels.
Quick facts
| Grant type | Career grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | California Institute of Technology NIH-funded |
| Lab location | 1 site (Pasadena, United States) |
| Project start | December 1, 2023 |
| Project end | November 30, 2025 |
| Funding year | 2025 |
| Award (this year) | $123,446 |
| NIH project number | 5K99GM152765-02 |
| Project ID | NIH-10993674 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for benefiting from this research include farmers and agricultural professionals interested in sustainable farming practices and enhanced crop yields.
✕Less likely to help
Patients with no interest in agriculture or those not involved in farming or related fields may not receive direct benefits from this research.
What this research studies
This research investigates the mechanisms by which the nitrogen-fixing enzyme nitrogenase operates within specific bacteria, particularly Azotobacter vinelandii. It aims to explore how these proteins function in different oxygen levels and cellular environments, which is crucial for understanding their role in agriculture and ecosystem health. The study employs biochemical, crystallographic, and spectroscopic techniques to analyze the structure and function of nitrogenase proteins, providing insights that could enhance nitrogen fixation processes. By focusing on the interactions between nitrogenase and cellular structures, the research seeks to uncover new ways to improve nitrogen fixation efficiency.
Why it matters
Potential benefit: If successful, this research could lead to advancements in agricultural practices by improving nitrogen fixation, which is essential for plant growth and food production.
How similar studies have gone: Previous research has shown promising results in understanding nitrogen fixation mechanisms, but this specific approach focusing on cellular interactions is relatively novel.
Where this research is happening
-
California Institute of Technology
Pasadena, United States Active
Researchers
- Principal investigator: Warmack, Rebeccah — California Institute of Technology
- Study coordinator: Warmack, Rebeccah
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.