Arthrobacter rhombi
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
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Pathogenicity
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Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Arthrobacter, Arthrobacter rhombi
Osorio et al. 1999.
Gram-positive short rods and cocci. Non-motile. Non-spore-forming.
Colonies on BHA are smooth, convex, yellowish or whitish in colour and 1 mmin
diameter, are formed after 48 h. Growth occurs at 4 and 30 ºC, not at 37 ºC, and in the
presence of 1-10 % (w/v) NaCl. Strictly aerobic.
Isolated from organs (kidney, spllen, gut) of Greenland halibut (Reinhardtius hippoglossoides).
Undetermined.
  1. Osorio CR, Barja JL, Hutson RA, Collins MD. Arthrobacter rhombi sp. nov., isolated from Greenland halibut (Reinhardtius
    hippoglossoides). Int J Syst Bacteriol 1999; 49:1217-1220.
  2. Reimer, L. C., Vetcininova, A., Sarda Carbasse, J., Söhngen, C., Gleim, D., Ebeling, C., Overmann, J. BacDive in 2019: bacterial
    phenotypic data for High-throughput biodiversity analysis. Nucleic Acids Research; database issue 2019.
Positive results for catalase, esculin hydrolysis, beta-galactosidase, and oxidase.
Can utilize as sole carbon source amygdalin, arbutin, D-arabitol, cellobiose, esculin, D-fructose, glycerol, galactose, D-glucose,
gluconate, beta-gentiobiose, lactose, D-mannose, mannitol,  maltose, melibiose, sucrose,  salicin, D-turanose, and trehalose.

Negative results for beta-glucuronidase, gelatinase, nitrate reduction, N-acetyl-beta-glucosaminidase, pyrazinamidase, pyrrolidonyl
arylamidase, and urease.
No utilization of D- and L-arabinose, L-arabitol, adonitol, dulcitol, erythritol, D-fucose, L-fucose,  glycogen, 2- and 5-ketogluconate,
D-lyxose, sorbitol, methyl alpha-D-mannoside, methyl alpha-D-glucoside, inositol, N-acetyl-beta-glucosamine, inulin,
melezitose,D-raffinose, ribose, starch, L-sorbose, D-tagatose, xylitol, methyl beta-xyloside, and D-xylose.
(c) Costin Stoica
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