| Arthrobacter castelli |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Arthrobacter, Arthrobacter castelli
Heyrman et al. 2005.
Species description is based on a single isolate.
Heyrman et al. 2005.
Species description is based on a single isolate.
Gram-positive short rods and cocci, 0.8-1.0 µm. Non-motile. Non-spore-forming.
Colonies on NA after 48 h are less than 1 mm in diameter, light yellow, round with
entire margins, of low convexity, opaque and smooth. Optimal temperature for growth
is 22-37 ºC. Weak growth at 15 ºC and no growth at 10 or 45 ºC. Poor growth on
media without NaCl. Aerobic.
entire margins, of low convexity, opaque and smooth. Optimal temperature for growth
is 22-37 ºC. Weak growth at 15 ºC and no growth at 10 or 45 ºC. Poor growth on
media without NaCl. Aerobic.
Isolated from a rosy biofilm overgrowing a mural painting in the Saint-Catherine chapel (castle of Herberstein, Austria).
Undetermined.
- Heyrman J, Verbeeren J, Schumann P, Swings J, De Vos P. Six novel Arthrobacter species isolated from deteriorated mural
paintings. Int J Syst Evol Microbiol 2005; 55:1457-1464.
Description is based mostly on API Coryne and API ZYM results.
Positive results for acid and alkaline phosphatase, catalase, esterase C4 (weak), esterase lipase C8, lipase C14 (weak), leucine
arylamidase, alpha-glucosidase, pyrazinamidase, phosphoamidase (weak), trypsin (weak), and urease
Negative results for cystine arylamidase, chymotrypsin, esculin (beta-glucosidase), alpha-fucosidase, alpha-galactosidase,
beta-glucosidase, N-acetyl-beta-glucosaminidase, gelatinase, alpha-mannosidase, nitrate reduction, oxidase, pyrrolidonyl
arylamidase, N-acetyl beta-glucosaminidase, valine arylamidase, fermentation of glucose, ribose, xylose, mannitol, maltose, lactose,
sucrose and glycogen.
Variable results for beta-galactosidase and beta-glucuronidase.
Positive results for acid and alkaline phosphatase, catalase, esterase C4 (weak), esterase lipase C8, lipase C14 (weak), leucine
arylamidase, alpha-glucosidase, pyrazinamidase, phosphoamidase (weak), trypsin (weak), and urease
Negative results for cystine arylamidase, chymotrypsin, esculin (beta-glucosidase), alpha-fucosidase, alpha-galactosidase,
beta-glucosidase, N-acetyl-beta-glucosaminidase, gelatinase, alpha-mannosidase, nitrate reduction, oxidase, pyrrolidonyl
arylamidase, N-acetyl beta-glucosaminidase, valine arylamidase, fermentation of glucose, ribose, xylose, mannitol, maltose, lactose,
sucrose and glycogen.
Variable results for beta-galactosidase and beta-glucuronidase.
(c) Costin Stoica
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