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Phylum Actinobacteria, Class Actinobacteria, Order Micrococcales, Family Microbacteriaceae, Genus Microbacterium, Microbacterium
sorbitolivorans
 Meng, Liu, Yang, Kang, Zhou and Cai, 2016.
Gram-positive short rods, 1.5-1.8/0.6-1.1 µm. Non-spore-forming.
Colonies are smooth, convex, and pale yellow. Growth temperature 10-40 ºC,
optimum 30 º
C. Grows in 0-11% NaCl medium. Grows in pH 6.0-9.0, optimum pH 7.0.
Isolated from fermentation bed of a pigpen in China.
Resistant to chloramphenicol, azithromycin , clindamycin, tetracycline, sulfamethoxazole, ceftazidim, oxacillin and nitrofurantoin.
Undetermined.
  1. Meng Y.C., Liu H.C., Yang L.L., Kang Y.Q., Zhou Y.G. and Cai M., 2016. Microbacterium sorbitolivorans sp. nov., a novel  member of
    Microbacteriaceae isolated from fermentation bed in pigpen. Int J Syst Evol Microbiol 66, 5556-5561.
Description is based on API 50 CH and API ZYM (bioMerieux) results.

Positive results for catalase, cystine arylamidase, esculin hydrolysis, esterase,
N-acetyl-beta-glucosaminidase, alpha- and beta-glucosidase, leucine arylamidase,
Voges-Proskauer test, acid production from: amygdalin, L-arabinose, arbutin, cellobiose, esculin, erythritol,  fructose, galactose,  
gentibiose, glucose, glycerol, glycogen, N-acetylglucosamine, lactose, lyxose, maltose, mannose, melezitose, melibiose, raffinose,
rhamnose, ribose, salicin, starch, sucrose, trehalose, turanose, xylitol & D-xylose.

Negative results for acid and alkaline phosphatase, arginine dihydrolase, chymotrypsin, alpha-fucosidase, alpha-galactosidase, beta-
glucuronidase, H
2S production, indole production, lipase, lysine decarboxylase, alpha-mannosidase, nitrate reduction, ornithine
decarboxylase, oxidase, urease, valine arylamidase, acid production from: arabitol, dulcitol, fucose, potassium gluconate, potassium 2-
and 5-ketogluconate,
inositol, sorbitol, sorbose & tagatose.

Variable results for trypsin, acid production from:
D-arabinose, inulin & L-xylose.
Microbacterium sorbitolivorans
(c) Costin Stoica
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