| Mycobacterium koreense |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium koreense Kim et al. 2012.
Mycobacterium, Mycobacterium koreense Kim et al. 2012.
Acid-alcohol-fast rods, frequently curved. Spores or filaments are not produced.
Microcolonies develop in about 1 week. Colonies grown on Middlebrook 7H10 agar
medium are rough or smooth and not pigmented. Grows at 25 ºC, but not at 45 ºC
(optimally at 37 ºC). Can grow in 5% (w/v) NaCl media and on MacConkey agar without
crystal violet.
medium are rough or smooth and not pigmented. Grows at 25 ºC, but not at 45 ºC
(optimally at 37 ºC). Can grow in 5% (w/v) NaCl media and on MacConkey agar without
crystal violet.
Isolated from human sputum. Resistant to thiophen-2-carboxylic acid hydrazide TCH (10 μg/ml), and para-nitrobenzoic acid PNB (500
μg/ml). Susceptible to ethambutol (5 μg/ml).
μg/ml). Susceptible to ethambutol (5 μg/ml).
Undetermined.
- Kim BJ, Jeong J, Lee SH, Kim SR, Yu HK, Park YG, Kim KJ, Kook YH, Kim BJ. Mycobacterium koreense sp. nov., a slowly growing
non-chromogenic species closely related to Mycobacterium triviale. Int J Syst Evol Microbiol 2012; 62:1289-1295. - 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 arylsulfatase (14 days), heat-stable catalase, pyrazinamidase, and Tween 80 hydrolysis.
Negative results for arylsulfatase (3 days), niacin accumulation, nitrate reductase, tellurite reductase, and urease.
Negative results for arylsulfatase (3 days), niacin accumulation, nitrate reductase, tellurite reductase, and urease.
(c) Costin Stoica
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