| Ursidibacter arcticus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Ursidibacter, Ursidibacter arcticus Hansen et al. 2015.
Ursidibacter, Ursidibacter arcticus Hansen et al. 2015.
Gram-negative rods. Non-motile.
Colonies grown on Blood Agar are circular, grey, opaque, raised, entire, smooth and
0.5-1.5 mm in diameter after incubation for 24 h at 37 ºC. A very slight green agar
discoloration is often apparent when incubated for more than 48 h. V-factor and
X-factor are not required for growth. Growth occurs in the presence of 10% CO2, under
anaerobic conditions and at 20, 30 and 42 ºC. Slow growth occurs at 37 ºC under
aerobic conditions. No growth on MacConkey agar.
0.5-1.5 mm in diameter after incubation for 24 h at 37 ºC. A very slight green agar
discoloration is often apparent when incubated for more than 48 h. V-factor and
X-factor are not required for growth. Growth occurs in the presence of 10% CO2, under
anaerobic conditions and at 20, 30 and 42 ºC. Slow growth occurs at 37 ºC under
aerobic conditions. No growth on MacConkey agar.
Isolated from the oral cavity of brown bears (Ursus arctos).
Undetermined.
- Johanne Hansen M, Strom Braaten M, Miki Bojesen A, Christensen H, Sonne C, Dietz R, Frost Bertelsen M. Ursidibacter
maritimus gen. nov., sp. nov. and Ursidibacter arcticus sp. nov., two new members of the family Pasteurellaceae isolated from the
oral cavity of bears. Int J Syst Evol Microbiol 2015; 65:3683-3689.
Positive results for catalase, alpha-glucosidase, nitrates reduction, ONPG, oxidase, Voges-Proskauer test, acid production from:
L-arabinose, adonitol, amygdalin, dulcitol, D-fructose, L-fucose, D-galactose, D-glucose (without gas production), inulin, lactose,
melibiose, D-mannitol, D-mannose, maltose, L-rhamnose, raffinose, D-ribose, salicin, D-sorbitol, trehalose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, gelatin hydrolysis, indole production, methyl red, nitrites reduction,
ornithine decarboxylase, urease, acid production from: sucrose.
L-arabinose, adonitol, amygdalin, dulcitol, D-fructose, L-fucose, D-galactose, D-glucose (without gas production), inulin, lactose,
melibiose, D-mannitol, D-mannose, maltose, L-rhamnose, raffinose, D-ribose, salicin, D-sorbitol, trehalose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, gelatin hydrolysis, indole production, methyl red, nitrites reduction,
ornithine decarboxylase, urease, acid production from: sucrose.
(c) Costin Stoica
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