Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Order Micrococcales, Family Microbacteriaceae, Genus Microbacterium, Microbacterium
arborescens (Frankland and Frankland 1889) Imai, Takeuchi and Banno 1985.
Historical synonym: Flavobacterium arborescens (Frankland and Frankland 1889)
Bergey, Harrison, Breed, Hammer and Huntoon 1923.
Gram-positive rods, 0.5 / 2.5 µm. Motile. Non-spore-forming.
Colonies are orange. Good growth on BHI agar. Aerobic growth. Grows at 28-37 ºC,
optimum.
Isolated from river and lake water.
Undetermined.
- Suzuki K.I. and Hamada M., 2012. Genus I. Microbacterium Orla-Jensen 1919, emend. Takeuchi and Hatano 1998. In: Goodfellow
M., Kampfer P. et al. (Editors), Bergey’s Manual of Systematic Bacteriology, Second Edition, Vol. Five, The Actinobacteria, Part A, p.
814-852.
Positive results for gelatin hydrolysis, H2S production, Tween 60 hydrolysis (weak
reaction), acid production from: L-arabinose, sucrose, trehalose (weak reaction) & xylose.
Negative results for arginine dihydrolase, nitrate reduction, Tweens 20, 40, 80 hydrolysis, Voges-Proskauer test, acid production from:
inulin & raffinose.
(c) Costin Stoica
Microbacterium arborescens
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