What is the Difference Between Mycobacterium Tuberculosis and Mycobacterium Leprae?
🆚 Go to Comparative Table 🆚Mycobacterium tuberculosis and Mycobacterium leprae are two pathogenic species belonging to the family Mycobacteriaceae. They share some similarities but also have distinct differences.
Similarities between Mycobacterium tuberculosis and Mycobacterium leprae:
- Both are Gram-positive bacteria.
- They are acid-fast intracellular pathogens.
- Their genomes were first sequenced in 1998.
Differences between Mycobacterium tuberculosis and Mycobacterium leprae:
- Mycobacterium tuberculosis is the causative agent of tuberculosis, while Mycobacterium leprae is the causative agent of Hansen's disease (leprosy).
- The genome size of M. tuberculosis is 4,411,532 base pairs, while the genome size of M. leprae is smaller.
- M. leprae's genome has undergone reductive evolution.
- The cell size of M. leprae is smaller than that of M. tuberculosis, with cell widths measured on electron micrographs being 0.38 microm for M. leprae and 0.44 microm for M. tuberculosis.
- The peptidoglycan layer of M. leprae is thinner than that of M. tuberculosis, with the peptidoglycan layer of M. leprae being 4-5 nm and that of M. tuberculosis being 10-15 nm.
In summary, Mycobacterium tuberculosis and Mycobacterium leprae are both pathogenic bacteria, but they cause different diseases and have distinct cellular and genetic characteristics.
Comparative Table: Mycobacterium Tuberculosis vs Mycobacterium Leprae
Here is a table comparing the differences between Mycobacterium tuberculosis (M. tuberculosis) and Mycobacterium leprae (M. leprae):
Feature | Mycobacterium tuberculosis | Mycobacterium leprae |
---|---|---|
Disease | Tuberculosis (TB) | Leprosy |
Clinical Forms | Erythema induratum of Bazin (immune-mediated hypersensitivity reaction) | Tuberculoid leprosy (paucibacillary form) and lepromatous leprosy (multibacillary form) |
Pathogenesis | Adapted to become a facultative pathogen | Adapted to become an obligate pathogen |
Genome Reduction | No significant reduction in genome size | Undergone a huge reduction in genome size |
Common Surrogate Model | M. smegmatis | Not applicable (less suitable surrogate models for studying the proteins of pathogenic species) |
Please note that the information provided is based on the available search results, which primarily focus on the differences between M. tuberculosis and M. leprae at the genetic level.
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