Changing the sugar coatings on the tuberculosis bacterium

Tailoring modifications of polysaccharides in Mycobacterium tuberculosis

NIH-funded research Colorado State University · NIH-11159708

Researchers are changing the sugar coatings on the tuberculosis bacterium to understand how those changes help it survive and make people sick.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColorado State University NIH-funded
Lab location1 site (Fort Collins, United States)
Project IDNIH-11159708 on NIH RePORTER

What this research studies

The team will remove or alter specific sugar attachments on Mycobacterium tuberculosis using genetic and chemical methods and then study how those changes affect the bacterium's survival and behavior. They will combine laboratory bacterial work, carbohydrate chemistry to map the modifications, and immune studies to see how altered bacteria interact with host defenses. Some work will use animal models and tissue or blood-based experiments to measure infection and immune responses. The goal is to link specific surface sugars to how TB causes disease and resists treatment.

Who could benefit from this research

Good fit: People with active or recently diagnosed pulmonary tuberculosis, or those willing to provide sputum or blood samples for research, would be most relevant to follow or contribute to this work.

Not a fit: People without tuberculosis or those seeking immediate clinical treatment are unlikely to receive direct benefit from this laboratory-focused research.

Why it matters

Potential benefit: If successful, this work could reveal new targets for TB drugs, vaccines, or improved diagnostics by exposing key sugar-based features the bacterium uses to survive.

How similar studies have performed: Altering surface sugar decorations has changed virulence in other bacteria and early results from these investigators' mutant TB strains suggest this approach is promising but still early-stage for TB.

Where this research is happening

Fort Collins, 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 2026-06-13 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.