| Pseudarthrobacter polychromogenes |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Pseudarthrobacter,
Pseudarthrobacter polychromogenes (Schippers-Lammertse et al. 1963) Busse 2016 - type species of the genus.
Historical synonym: Arthrobacter polychromogenes Schippers-Lammertse et al. 1963.
Pseudarthrobacter polychromogenes (Schippers-Lammertse et al. 1963) Busse 2016 - type species of the genus.
Historical synonym: Arthrobacter polychromogenes Schippers-Lammertse et al. 1963.
Gram-positive long rods and cocci. Non-motile.
Colonies on nutrient agar are white, circular, smooth, convex, with an entire edge.
They are blue colored on peptone-glucose agar due to large amounts of blue-black
crystals in the colonies. Excellent growth and much pigment is obtained on a medium
of peptone 1%, glycerol 2%, KCl 0.6%, agar 2%, pH 9.0. Biotin is necessary for the
formation of the pigments. Grows at 10 and 37 ºC; optimum growth temperature is 25
ºC. No growth at 41 ºC. No color is observed at 37°C. A colorless culture, grown at 37
ºC, soon becomes colored at room temperature. Grows at pH 6-11; optimum at pH
9-10. Aerobic.
They are blue colored on peptone-glucose agar due to large amounts of blue-black
crystals in the colonies. Excellent growth and much pigment is obtained on a medium
of peptone 1%, glycerol 2%, KCl 0.6%, agar 2%, pH 9.0. Biotin is necessary for the
formation of the pigments. Grows at 10 and 37 ºC; optimum growth temperature is 25
ºC. No growth at 41 ºC. No color is observed at 37°C. A colorless culture, grown at 37
ºC, soon becomes colored at room temperature. Grows at pH 6-11; optimum at pH
9-10. Aerobic.
Isolated from air.
Undetermined.
- Busse H.J., 2016. Review of the taxonomy of the genus Arthrobacter, emendation of the genus Arthrobacter sensu lato, proposal
to reclassify selected species of the genus Arthrobacter in the novel genera Glutamicibacter gen. nov., Paeniglutamicibacter gen.
nov., Pseudoglutamicibacter gen. nov., Paenarthrobacter gen. nov. and Pseudarthrobacter gen. nov., and emended description of
Arthrobacter roseus. IJSEM 66, 9-37. - 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. - Kim KK, Lee KC, Oh HM, Kim MJ, Eom MK, Lee JS. Arthrobacter defluvii sp. nov., 4-chlorophenol-degrading bacteria isolated from
sewage. Int J Syst Evol Microbiol 2008; 58:1916-1921.
Positive results for gelatin hydrolysis, nitrate reduction, starch hydrolysis, acid production from glycerol, galactose, glucose, lactose,
and trehalose.
Can utilize L-arginine, L-asparagine, L-histidine, L-leucine, L-arabinose, D-galactose, D-glucose, L-rhamnose, D-ribose, D-xylose,
butanediol, and malonate. Assimilates citric acid, formic acid, propionic acid, and uric acid.
Negative results for acid phosphatase, beta-glucosidase, beta-galactosidase, indole production, hydrogen sulfide production, acetoin
production, urease, acid production from L-arabinose, rhamnose, inositol, mannitol, and maltose.
Nicotine blue is not produced from nicotine.
No utilization of inositol. No assimilation of adipic acid, benzoic acid, glutaric acid, malonic acid, or pimelic acid.
and trehalose.
Can utilize L-arginine, L-asparagine, L-histidine, L-leucine, L-arabinose, D-galactose, D-glucose, L-rhamnose, D-ribose, D-xylose,
butanediol, and malonate. Assimilates citric acid, formic acid, propionic acid, and uric acid.
Negative results for acid phosphatase, beta-glucosidase, beta-galactosidase, indole production, hydrogen sulfide production, acetoin
production, urease, acid production from L-arabinose, rhamnose, inositol, mannitol, and maltose.
Nicotine blue is not produced from nicotine.
No utilization of inositol. No assimilation of adipic acid, benzoic acid, glutaric acid, malonic acid, or pimelic acid.
(c) Costin Stoica
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