| Mycobacterium oryzae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium oryzae Ramaprasad et al. 2016.
Mycobacterium, Mycobacterium oryzae Ramaprasad et al. 2016.
Acid-fast rods, 0.4-0.6 x 1.4-2.0 µm. Gram-positive. Non-motile. Non-spore-forming.
Colonies on TSA are convex, circular, smooth and opaque with entire margins,
orange, scotochromogenic and 2-3 mm in diameter within 3-5 days at 30 ºC and pH
7). Optimum growth occurs at 30 ºC (range, 25-45 ºC). NaCl is not required for growth
and tolerates up to 4% (w/v) NaCl.
orange, scotochromogenic and 2-3 mm in diameter within 3-5 days at 30 ºC and pH
7). Optimum growth occurs at 30 ºC (range, 25-45 ºC). NaCl is not required for growth
and tolerates up to 4% (w/v) NaCl.
Isolated from a paddy soil collected from Kankumbi, Western Ghats, Karnataka, India.
Susceptible to amikacin, azithromycin, ciprofloxacin, doxycyclin, vancomycin, rifampin and streptomycin.
Susceptible to amikacin, azithromycin, ciprofloxacin, doxycyclin, vancomycin, rifampin and streptomycin.
Undetermined. Potentially infectious to human cells.
- Ramaprasad EV, Rizvi A, Banerjee S, Sasikala C, Ramana CV. Mycobacterium oryzae sp. nov., a scotochromogenic, rapidly
growing species is able to infect human macrophage cell line. Int J Syst Evol Microbiol 2016; 66:4530-4536.
Positive results for catalase, Tween 80 hydrolysis, and urease.
Can utilize cellobiose, sucrose, L-serine, citrate, N-acetyl-D-glucosamine, D-fructose, D-mannose, L-rhamnose, D-xylose, inositol,
D-mannitol, D-sorbitol, acetate, DL-lactate, L-malate, pyruvate, D-glucose and fumarate.
Negative results for casein hydrolysis and nitrate reduction.
No utilization of D-galactose and L-arabinose.
Can utilize cellobiose, sucrose, L-serine, citrate, N-acetyl-D-glucosamine, D-fructose, D-mannose, L-rhamnose, D-xylose, inositol,
D-mannitol, D-sorbitol, acetate, DL-lactate, L-malate, pyruvate, D-glucose and fumarate.
Negative results for casein hydrolysis and nitrate reduction.
No utilization of D-galactose and L-arabinose.
(c) Costin Stoica
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