Taxonomy
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Phylum Actinobacteria, Class Actinobacteria, Order Micrococcales, Family Microbacteriaceae, Genus Microbacterium, Microbacterium
oxydans
(Chatalain and Second 1966) Schumann, Rainey, Burghardt, Stackebrandt and Weiss 1999 comb. nov.

Historical synonyms:
Brevibacterium oxydans Chatalain and Second 1966.
Gram-positive rods, 1-2 µm in length, occuring singly or in random groups. Motile.
Colonies are very small after 1 day and become larger and yellow after 2-3 days.
Aerobic. Grows at 20-37 ºC, 30 ºC optimum.
Isolated from contaminated hospital material. Habitat is unknown.
Undetermined.
  1. 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.
  2. Schumann P., Rainey F.A., Burghardt J., Stackebrandt  E. and Weiss N., 1999. RecIassification of  Brevibacteriurn oxydans
    (Chatelain and Second 1966) as Microbacterium oxydans comb. nov. Int J Syst Bacteriol 49, 175-177.
Not acid-fast.

Positive results for catalase, esculin hydrolysis, beta-galactosidase, gelatin hydrolysis, H
2S production, oxidative acid production
(method of Veron & Chatelain, 1960) from: dextrin, fructose, glucose, galactose, glycerol, maltose, mannitol, mannose, salicin &
sucrose.

Negative results for cellulose hydrolysis, citrate utilization, lysine decarboxylase, methyl red reduction, nitrate reduction, oxidase,
urease, Voges-Proskauer test, acid production from inositol.

Variable results for acid production from: arabinose, lactose, rhamnose, sorbitol & xylose.
Microbacterium oxydans
(c) Costin Stoica
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