| Mycobacterium chitae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium chitae Tsukamura 1967.
Mycobacterium, Mycobacterium chitae Tsukamura 1967.
Acid-fast coccoid cells. Acid-fastness may become partial in older cultures. No
branching, cord, or mycelium formation.
branching, cord, or mycelium formation.
Colonies after 3-5 days incubation on on egg media and on Sauton agar, are white or
cream colored, smooth, wet-looking, non-pigmented. The temperature range for
growth is 28-37 ºC; does not grow at 42, 45 or 52 ºC. Grows on media containing 5%
(w/v) NaCl. Does not grow on MacConkey agar without crystal violet.
cream colored, smooth, wet-looking, non-pigmented. The temperature range for
growth is 28-37 ºC; does not grow at 42, 45 or 52 ºC. Grows on media containing 5%
(w/v) NaCl. Does not grow on MacConkey agar without crystal violet.
Originally isolated from soil samples collected from manure heaps.
Susceptible to hydroxylamine (500 µg/ml). Resistant to ethambutol (5 µg/ml), rifampin (25 µg/ml), and thiophen-2-carbonic acid
hydrazide (10 µg/ml).
Susceptible to hydroxylamine (500 µg/ml). Resistant to ethambutol (5 µg/ml), rifampin (25 µg/ml), and thiophen-2-carbonic acid
hydrazide (10 µg/ml).
Undetermined.
Experimental infection: avirulent for chickens, guinea pigs, mice, and rabbits injected with 2-10 mg of the culture.
Experimental infection: avirulent for chickens, guinea pigs, mice, and rabbits injected with 2-10 mg of the culture.
- John G. Magee and Alan C. Ward 2012. Family III. Mycobacteriaceae Chester 1897, 63AL in Bergey’s Manual of Systematic
Bacteriology, Volume Five The Actinobacteria, Part A, Michael Goodfellow & al. (editors), 312-375. - Tsukamura M. Mycobacterium chitae: a new species. Jpn J Microbiol 1967; 11:43-47.
- Tsukamura M. Numerical analysis of rapidly growing, nonphotochromogenic mycobacteria, including Mycobacterium agri
(Tsukamura 1972) Tsukamura sp. nov., nom. rev. Int. J. Syst. Bacteriol. 1981; 31:247-258. - Tsukamura M, Mizuno S, Toyama H. Mycobacterium pulveris sp. nov., a nonphotochromogenic mycobacterium with an
intermediate growth rate. Int. J. Syst. Bacteriol. 1983; 33:811-815.
Positive results for arylsulfatase (7 days), acid phosphatase, thermotolerant catalase (68 ºC), alpha- and beta-esterase, nitrate
reduction, nicotinamidase, pyrazinamidase, and urease.
Can utilize acetamide, acetate and pyruvate as sole carbon source.
Negative results for arylsulfatase (3 days), beta-galactosidase, niacin accumulation, salicylate degradation, and Tween 80 hydrolysis.
No utilization of citrate, succinate, malate, benzoate, malonate, fumarate, myo-inositol, mannitol, sorbitol, trehalose, and xylose.
Variable results for iron uptake.
reduction, nicotinamidase, pyrazinamidase, and urease.
Can utilize acetamide, acetate and pyruvate as sole carbon source.
Negative results for arylsulfatase (3 days), beta-galactosidase, niacin accumulation, salicylate degradation, and Tween 80 hydrolysis.
No utilization of citrate, succinate, malate, benzoate, malonate, fumarate, myo-inositol, mannitol, sorbitol, trehalose, and xylose.
Variable results for iron uptake.
(c) Costin Stoica
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