Arthrobacter ramosus
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Arthrobacter, Arthrobacter
ramosus
Jensen 1960.
Motile by a few lateral flagella.
Colonies on yeast extract peptone media show no distinctive pigmentation.
Nutritionally nonexacting: growth occurs in a suitable mineral salts medium with an
ammonium salt or nitrate as sole nitrogen source. Tolerates 3% NaCl. Can grow on
MacConkey agar.
Isolated from beech forest soil samples at depth of 30-35 cm. One strain was isolated from mercuric salt-contaminated soil.
Resists and accumulates several metals, such as cadmium, cobalt, zinc, chromium and mercury.
Undetermined.
  1. Park Y, Kook M, Ngo HT, Kim KY, Park SY, Mavlonov GT, Yi TH. Arthrobacter bambusae sp. nov., isolated from soil of a bamboo
    grove. Int J Syst Evol Microbiol 2014; 64:3069-3074.
  2. Hans-Jurgen Busse, 2012. Family I. Micrococcaceae Pribham 1929, 361 AL emend. Stackebrandt, Rainey and Ward-Rainey 1997,
    479 in: Bergey’s Manual of Systematic Bacteriology,  second edition, Volume Five The Actinobacteria, Part A, Springer, 571-666.
  3. Bafana, A; Krishnamurthi, K; Patil, M; Chakrabarti, T (15 May 2010). Heavy metal resistance in Arthrobacter ramosus strain G2
    isolated from mercuric salt-contaminated soil. Journal of hazardous materials. 177 (1–3): 481–6.
  4. Reddy GS, Prakash JS, Matsumoto GI, Stackebrandt E, Shivaji S. Arthrobacter roseus sp. nov., a psychrophilic bacterium isolated
    from an antarctic cyanobacterial mat sample. Int J Syst Evol Microbiol 2002; 52:1017-1021.
Positive results for acid and alkaline phosphatase, alpha-fucosidase, beta-galactosidase, beta-glucosidase, beta-glucuronidase,
leucine arylamidase, lipase (C14), nitrate reduction (contradictory results), cystine arylamidase, alpha-chymotrypsin, starch
hydrolysis, urease, acid production from D-adonitol, D-arabinose, D- and L-arabitol, dulcitol, esculin, D-fucose, glucose, glycerol,
D-galactose, lactose, D-mannitol, D-sorbitol, N-acetylglucosamine, and xylitol.
Can utilize as sole carbon source N-acetylglucosamine, caprate, phenylacetate, D-glucose, D-mannose, D-mannitol, D-maltose,
gluconate, malate and citrate.

Negative results for arginine dihydrolase, casein hydrolysis, DNase, esculin hydrolysis, esterase (C4), esterase lipase (C8),
alpha-galactosidase, alpha-glucosidase, indole production, alpha-mannosidase, protease, trypsin, valine arylamidase, acid
production from L-arabinose, amygdalin, arbutin, cellobiose, erythritol, D-fructose, L-fucose, gentibiose, glycogen, gluconate, 2- and
5-ketogluconate, inositol, inulin, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, D-mannose, D-maltose,
melibiose, melezitose, raffinose, L-rhamnose, D-ribose, salicin, L-sorbose, starch, sucrose, trehalose, D-tagatose, turanose, D- and
L-xylose.
No utilization of adipate and L-arabinose.
(c) Costin Stoica
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