| Arthrobacter roseus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Arthrobacter, Arthrobacter roseus
Reddy et al. 2002.
Species description is based on a single isolate.
Reddy et al. 2002.
Species description is based on a single isolate.
Gram-positive cells showing a rod-coccus cycle with irregular rods and coccoid cells
about 1.0 µm in diameter. Non-motile. Non-spore-forming.
about 1.0 µm in diameter. Non-motile. Non-spore-forming.
Colonies on peptone yeast extract medium are round, smooth, convex, 0.2-1 mm in
diameter and red-pigmented. Pigment is soluble in methanol, not in water. Growth
occurs at 5-30 ºC (optimally at 26 ºC) , at pH 6 and 12 (optimally at pH 7.0), and in the
presence of up to 5.8% (w/v) NaCl. Strictly aerobic.
diameter and red-pigmented. Pigment is soluble in methanol, not in water. Growth
occurs at 5-30 ºC (optimally at 26 ºC) , at pH 6 and 12 (optimally at pH 7.0), and in the
presence of up to 5.8% (w/v) NaCl. Strictly aerobic.
Isolated from a cyanobacterial mat sample from Antarctica.
Sensitive to penicillin, chlortetracycline, chloramphenicol, oxytetracycline, tetracycline, erythromycin, nitrofurantoin, bacitracin, nystatin,
nitrofurazone, leucomycin, rifampicin, cotrimoxazole, trimethoprim, ampicillin, carbenicillin, gentamicin, amoxycillin, tobramycin and
polymyxin B. Resistant to furazolidone, colistin, furoxone and kanamycin.
Sensitive to penicillin, chlortetracycline, chloramphenicol, oxytetracycline, tetracycline, erythromycin, nitrofurantoin, bacitracin, nystatin,
nitrofurazone, leucomycin, rifampicin, cotrimoxazole, trimethoprim, ampicillin, carbenicillin, gentamicin, amoxycillin, tobramycin and
polymyxin B. Resistant to furazolidone, colistin, furoxone and kanamycin.
Undetermined.
- 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 catalase, gelatinase, nitrate reduction, and phosphatase.
Can utilize as sole carbon source mannose, galactose, maltose, fructose, glucose, arabinose, ribose, xylose, rhamnose, raffinose,
trehalose, succinic acid, fumaric acid, citric acid, mannitol, sorbitol, adonitol, sucrose, inulin, pyruvate, acetate, alanine, leucine,
isoleucine, valine, serine, arginine, aspartic acid, glutamic acid, asparagine, glutamine, proline and phenylalanine.
Negative results for arginine dihydrolase, esculin hydrolysis beta-galactosidase, indole production, lipase, methyl red test, oxidase,
starch hydrolysis, urease, Voges-Proskauer test, acid production from arabinose, fructose, glucose, galactose, lactose, mannose,
maltose, rhamnose, sucrose, and xylose.
No utilization of dulcitol, inositol, melibiose, lactose, nicotine, cellulose, glycine, threonine, cysteine, methionine, lysine, tyrosine,
histidine and tryptophan.
Can utilize as sole carbon source mannose, galactose, maltose, fructose, glucose, arabinose, ribose, xylose, rhamnose, raffinose,
trehalose, succinic acid, fumaric acid, citric acid, mannitol, sorbitol, adonitol, sucrose, inulin, pyruvate, acetate, alanine, leucine,
isoleucine, valine, serine, arginine, aspartic acid, glutamic acid, asparagine, glutamine, proline and phenylalanine.
Negative results for arginine dihydrolase, esculin hydrolysis beta-galactosidase, indole production, lipase, methyl red test, oxidase,
starch hydrolysis, urease, Voges-Proskauer test, acid production from arabinose, fructose, glucose, galactose, lactose, mannose,
maltose, rhamnose, sucrose, and xylose.
No utilization of dulcitol, inositol, melibiose, lactose, nicotine, cellulose, glycine, threonine, cysteine, methionine, lysine, tyrosine,
histidine and tryptophan.
(c) Costin Stoica
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