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Phylum Actinobacteria, Class Actinobacteria , Order Micrococcales, Family Micrococcaceae, Genus Arthrobacter, Arthrobacter
gandavensis
Storms, Devriese, Coopman, Schumann, Vyncke and Gillis, 2003.
Gram-positive relatively small (0.5-1 µm) coccobacilli with one pointed end. Motile.
Spores are not produced.
Colonies are smooth, glistening, up to 1 mm in diameter. A bright yellow pigment is
produced on Columbia agar with 5% sheep blood at 37 ºC in air. Culture precipitate
(sediment) partially in BHI broth. Obligate aerobic. Grows at 25, 37 and 42 ºC. No
growth in NaCl 6.5%.
Habitat is unknown. Isolated from mammary and uterine infections from cattle.
Isolated from mammary and uterine infections from cattle but its pathogenic role in these processes is uncertain.
  1. Storms V., Devriese L.A., Coopman R., Schumann P., Vynce F. and Gillis M., 2003. Artrobacter gandavensis sp. nov., for strains of
    veterinary origin. IJSEM 53, 1881-1884.
Description is based on API Coryne and API 50CH tests results.

Positive results for catalase, esculin hydrolysis, alpha- and beta-glucosidase, beta-galactosidase, nitrate reduction, ONPG,
pyrazinamidase, urease, weak acid production from: aesculin, fructose & ribose.

Negative results for beta-glucuronidase, N-acetyl-beta-glucosaminidase, pyrrolidonyl arylamidase, acid production from: adonitol,
amygdalin, arbutin, arabitol, arabinose, cellobiose, dulcitol, erythritol, fucose, galactose, beta-gentiobiose, gluconate, glycogen,
glycerol, inositol, inulin, 2- or 5-ketogluconate, lactose, lyxose, maltose, mannitol, melezitose, melibiose, methyl alpha-D-glucoside,
methyl beta-glycoside, methyl alpha-D-mannoside, raffinose, salicin, sorbitol, sorbose, starch, sucrose, tagatose, trehalose,
turanose, xylitol & xylose.

Variable results for gelatin hydrolysis, acid production from glucose, mannose & rhamnose.
Arthrobacter gandavensis
(c) Costin Stoica
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