| Mycobacterium parakoreense |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium parakoreense Kim et al. 2013.
Mycobacterium, Mycobacterium parakoreense Kim et al. 2013.
Acid-alcohol-fast rods, frequently curved. Spores or filaments are not produced.
On Middlebrook 7H10 agar medium, mature colonies develop in about 4 or more
weeks. Colonies grown on this medium are usually rough, white or yellow-pigmented
forms. Grows at 25 ºC, but not at 45 ºC (optimally at 37 ºC). Can grow in 5% (w/v) NaCl
media but not on MacConkey agar without crystal violet.
weeks. Colonies grown on this medium are usually rough, white or yellow-pigmented
forms. Grows at 25 ºC, but not at 45 ºC (optimally at 37 ºC). Can grow in 5% (w/v) NaCl
media but not on MacConkey agar without crystal violet.
Isolated from human sputum in Seoul, Korea. Resistant to thiophen-2-carboxylic acid hydrazide TCH (10 μg/ml), and ethambutol (5
μg/ml). Susceptible to p-nitrobenzoate (PNB) and picric acid.
μg/ml). Susceptible to p-nitrobenzoate (PNB) and picric acid.
Undetermined.
- Kim BJ, Hong SH, Yu HK, Park YG, Jeong J, Lee SH, Kim SR, Kim K, Kook YH, Kim BJ. Mycobacterium parakoreense sp. nov., a
slowly growing non-chromogenic species related to Mycobacterium koreense, isolated from a human clinical specimen. Int J Syst
Evol Microbiol 2013; 63:2301-2308.
Positive results for alkaline phosphatase, esterase (C4), esterase lipase (C8), heat-stable catalase, nitrate reductase,
pyrazinamidase, and Tween 80 hydrolysis.
Negative results for arylsulfatase (3 and 14 days), lipase (C14), niacin accumulation, tellurite reductase, and urease.
pyrazinamidase, and Tween 80 hydrolysis.
Negative results for arylsulfatase (3 and 14 days), lipase (C14), niacin accumulation, tellurite reductase, and urease.
(c) Costin Stoica
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