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The leprosy bacillus: a microbe-dependent microbe
1Salvation Army, Catherine Booth Hospital Center, Montreal, Canada.
Acta Leprologica
|October 1, 1987
Summary
Secondary mycobacteria may act as cofactors in leprosy pathogenesis. These bacteria, rich in mycobactin, might provide essential growth factors for the mycobactin-deficient Mycobacterium leprae, aiding its virulence.
Area of Science:
- Microbiology
- Infectious Diseases
- Mycobacterial Research
Background:
- Cultivable mycobacteria are frequently found in leprosy tissues.
- Mycobacterium leprae is known to be mycobactin-deficient.
- Previous research has isolated unidentified cultivable mycobacteria from leprosy patients.
Purpose of the Study:
- To propose a new concept regarding the role of secondary mycobacteria in leprosy.
- To investigate the potential etiological contribution of secondary mycobacteria to leprosy pathogenesis.
Main Methods:
- Review of existing literature and unpublished data.
- Analysis of the mycobactin content in secondary mycobacteria.
- Hypothesizing the interaction between secondary mycobacteria and Mycobacterium leprae.
Main Results:
- Secondary mycobacteria are abundant in mycobactin.
- Mycobacterium leprae requires mycobactin for growth and virulence.
- A proposed mechanism where secondary mycobacteria supply mycobactin to M. leprae.
Conclusions:
- Secondary mycobacteria may function as etiological cofactors in leprosy.
- This interaction could explain the growth and virulence of M. leprae in vivo.
- Further research is needed to validate this hypothesis and its implications for leprosy treatment.
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