| Ursidibacter maritimus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Ursidibacter, Ursidibacter maritimus Hansen et al. 2015, type species of the genus.
Ursidibacter, Ursidibacter maritimus Hansen et al. 2015, type species of the genus.
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
discoloration of the agar 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
discoloration of the agar 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 healthy polar bears (Ursus maritimus).
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, beta-galactosidase, indole production, nitrates reduction, oxidase, acid production
from: L-arabinose, adonitol, amygdalin, dulcitol, D-fructose, L-fucose, D-galactose, D-glucose, 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, methyl red, nitrites reduction, ornithine
decarboxylase, urease, Voges–Proskauer, acid production from: sucrose.
from: L-arabinose, adonitol, amygdalin, dulcitol, D-fructose, L-fucose, D-galactose, D-glucose, 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, methyl red, nitrites reduction, ornithine
decarboxylase, urease, Voges–Proskauer, acid production from: sucrose.
(c) Costin Stoica
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