NIH-funded research R01 grant

How gut bacteria influence lifespan and aging

Official title: Host mechanisms of gut colonization by commensal bacteria that affect lifespan

Funded at Carnegie Institution of Washington, D.c. · NIH-10890814 · Data updated 2026-11-12

This study is looking at how certain good bacteria in the gut can help us live longer and age better, using fruit flies to learn more about how these bacteria interact with our bodies.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionCarnegie Institution of Washington, D.c.
NIH-funded
Lab location1 site (Washington, United States)
Project startAugust 15, 2022
Project endJuly 31, 2026
Funding year2024
Award (this year)$387,672
NIH project number5R01DK128454-03
Project IDNIH-10890814 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research would include individuals interested in gut health, aging, and the role of probiotics.

Less likely to help

Patients with conditions unrelated to gut health or aging may not receive any benefit from this research.

What this research studies

This research investigates how specific gut bacteria interact with host tissues to affect lifespan and aging. By studying the fruit fly Drosophila melanogaster, researchers aim to identify the host cells, genes, and molecules that facilitate the colonization of beneficial bacteria like Lactobacillus plantarum and Acetobacter. The study employs advanced techniques such as single-cell RNA sequencing to uncover the mechanisms that create a supportive environment for these bacteria in the gut. Understanding these interactions could lead to insights into how gut health impacts overall longevity.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for promoting gut health and potentially extending lifespan through targeted bacterial therapies.

How similar studies have gone: Other research has shown promising results in understanding the role of gut bacteria in health, indicating that this approach could yield valuable insights.

Where this research is happening

  • Carnegie Institution of Washington, D.c.
    Washington, United States
    Active

Researchers

  • Principal investigator: Ludington, William Basil — Carnegie Institution of Washington, D.c.
  • Study coordinator: Ludington, William Basil

Related research

Other NIH-funded projects on the same topics.

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  • Understanding how lipids organize bacterial cell membranes

    This study is looking at how certain fats in bacteria, called hopanoids, help organize their cell membranes, which could teach us more about how bacteria grow and interact with other microbes, including those in our bodies.

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  • How certain proteins in probiotics help them attach to the gut

    This study is looking at how certain proteins in friendly bacteria, like Lactobacillus plantarum, help them stick to your gut, which could lead to better probiotics for keeping your digestive system healthy.

    NIH research Carnegie Institution of Washington, D.c. · Washington, United States · NIH-10808208

  • How nutrient regulation affects gene expression and development in plants

    This study looks at how a special protein in plants helps control their growth and development, especially during important stages like seed germination and flowering, and it aims to understand how nutrients affect these processes, which could help improve farming practices.

    NIH research Carnegie Institution of Washington, D.c. · Washington, United States · NIH-10769770

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.