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Mycobacterium interjectum

Species of bacterium

Mycobacterium interjectum is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), 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 (0.6-1.0 μm x 0.7-2.0 μm). Filaments (up to 6.0 μm) possible.

Colony characteristics

Dysgonic, smooth and scotochromogenic colonies (1–2 mm in diameter).

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. Differential characteristics
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. Strain 4185/92 = ATCC 51457 = CCUG 37514 = DSM 44064

References

Springer et al. 1993. Mycobacterium interjectum, a new species isolated from a patient with chronic lymphadenitis. J. Clin. Microbiol., 31, 3083–3089.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

acid-fast-bacilli nontuberculous-mycobacteria bacteria-described-in-1995

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