Mycobacterium interjectum
Mycobacterium interjectum is a species of the phylum Actinomycetota, belonging to the genus Mycobacterium.
Name
Etymology: Phylogenetic position between rapidly and slowly growing mycobacteria.Description
''Mycobacterium interjectum is Gram-positive, nonmotile and acid-fast rods. Filaments possible.''Colony characteristics
Dysgonic, smooth and scotochromogenic colonies.Physiology
- Slow growth on Löwenstein-Jensen medium at temperatures between 31°C and 37 °C within 3–4 weeks.
- Susceptible to rifampicin.
- Resistant to isoniazid and ethambutol.
- Most closely related to M. simiae.
- Phylogenetic position between rapidly and slowly growing mycobacteria.
Pathogenesis
- Chronic lymphadenitis
- Biosafety level 2
Type strain
- First isolated from a lymph node of a child with chronic lymphadenitis in Germany.