Related Experiment Video
Updated: Apr 19, 2026

Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses
Published on: February 22, 2019
Bacterial-induced cell reprogramming to stem cell-like cells: new premise in host-pathogen interactions
Samuel Hess1, Anura Rambukkana2
1MRC Centre for Regenerative Medicine, University of Edinburgh, Little France Campus, Edinburgh EH16 4UU, United Kingdom.
The bacterium Mycobacterium leprae reprograms host glial cells into stem cell-like cells, aiding its spread and immune evasion. This discovery opens avenues for tissue repair therapies.
Area of Science:
- Infectious Diseases
- Stem Cell Biology
- Cellular Reprogramming
Background:
- Bacterial pathogens manipulate host cells for survival and dissemination.
- Recent research highlights the intersection of infection biology and stem cell biology.
Purpose of the Study:
- To investigate the reprogramming of host cells by bacterial pathogens.
- To understand the implications of cell reprogramming in host-pathogen interactions and potential therapeutic applications.
Main Methods:
- The study focuses on the intracellular bacterium Mycobacterium leprae.
- Analysis of developmental reprogramming of lineage-committed glial cells into progenitor/stem cell-like cells.
Main Results:
- Mycobacterium leprae induces glial cells to acquire stem cell-like properties.
- Reprogrammed cells exhibit enhanced migratory and immunomodulatory functions, facilitating bacterial spread and immune evasion.
- This bacterial strategy exploits host cell plasticity for pathogen survival and dissemination.
Conclusions:
- The interaction between Mycobacterium leprae and host cells represents a novel mechanism of host cell manipulation.
- This bacterial ingenuity offers potential for developing cell reprogramming strategies for tissue repair.
Related Concept Videos
Colonisation of Pathogens
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Regulation of Bacterial Virulence
Viral Replication: Lysogenic Cycle
Somatic to iPS Cell Reprogramming
Lysogenic Cycle of Bacteriophages

