How Lyme bacteria's internal tails let them move and cause joint infections

Delineation of unique flagellar proteins in spirochetes

NIH-funded research East Carolina University · NIH-11242016

Researchers are learning how the corkscrew motion and internal tail structures of Lyme bacteria help them reach and damage joints in people with Lyme disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionEast Carolina University NIH-funded
Lab location1 site (Greenville, United States)
Project IDNIH-11242016 on NIH RePORTER

What this research studies

This work focuses on the tiny internal tails (periplasmic flagella) that let Borrelia burgdorferi move through body tissues and cause Lyme-related arthritis. Scientists will use bacterial genetics, high-resolution microscopy, biochemical tests, and computer analyses to identify and describe the flagellar and collar proteins unique to these spirochetes. They will examine how changing these proteins affects bacterial movement and the ability to invade or damage joint tissues in lab models. The findings aim to reveal specific molecular steps the bacteria use to move and cause joint inflammation.

Who could benefit from this research

Good fit: People with confirmed Lyme disease, especially those experiencing joint pain or Lyme-related arthritis, would be most relevant to this research.

Not a fit: People with non-Lyme types of arthritis or those seeking immediate changes to their clinical care are unlikely to get direct benefit from this basic lab-focused research.

Why it matters

Potential benefit: If successful, this research could point to new drug or vaccine targets to stop Lyme bacteria from reaching and damaging joints.

How similar studies have performed: Studies of flagella in other bacteria have produced useful insights, but applying these methods to spirochete-specific periplasmic flagella is novel and less tested.

Where this research is happening

Greenville, 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.
Conditions Arthritis in Lyme disease
Last reviewed 2026-06-13 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.