| Testudinibacter aquarius |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Testudinibacter, Testudinibacter aquarius Hansen et al. 2016, type species of the genus.
Testudinibacter, Testudinibacter aquarius Hansen et al. 2016, type species of the genus.
Gram-negative coccobacilli. Non-motile. Non-spore-forming.
Colonies are circular, grey, opaque, raised, entire, smooth, 0.5-1 mm in diameter and
surrounded by a zone of beta-haemolysis after 24 h of incubation on BA at 37 ºC.
V-factor and X-factor are not required for growth. No growth on MacConkey agar.
Growth occurs in the presence of 10% CO2, under anaerobic conditions and at 20, 30
and 42 ºC. Slightly slower growth occurs at 37 ºC under aerobic conditions.
surrounded by a zone of beta-haemolysis after 24 h of incubation on BA at 37 ºC.
V-factor and X-factor are not required for growth. No growth on MacConkey agar.
Growth occurs in the presence of 10% CO2, under anaerobic conditions and at 20, 30
and 42 ºC. Slightly slower growth occurs at 37 ºC under aerobic conditions.
Isolated from the oral cavity of healthy freshwater turtles.
Undetermined.
- Hansen MJ, Pennanen EAE, Bojesen AM, Christensen H, Bertelsen MF. Testudinibacter aquarius gen. nov., sp. nov., a member of
the family Pasteurellaceae isolated from the oral cavity of freshwater turtles. Int J Syst Evol Microbiol 2016; 66:567-573.
Positive results for catalase, beta-galactosidase, indole production, nitrates reduction, ornithine decarboxylase, oxidase,
Voges-Proskauer test, acid production from: adonitol, amygdalin, L-arabinose, dulcitol, L-fucose, D-fructose, D-galactose, D-glucose
(without gas production), inulin, lactose, maltose, D-mannose, melibiose, D-mannitol, L-rhamnose, raffinose, D-ribose, salicin,
D-sorbitol, sucrose, trehalose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, gelatin hydrolysis, alpha-glucosidase, lysine decarboxylase, methyl
red, nitrite reduction and urease.
Voges-Proskauer test, acid production from: adonitol, amygdalin, L-arabinose, dulcitol, L-fucose, D-fructose, D-galactose, D-glucose
(without gas production), inulin, lactose, maltose, D-mannose, melibiose, D-mannitol, L-rhamnose, raffinose, D-ribose, salicin,
D-sorbitol, sucrose, trehalose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, gelatin hydrolysis, alpha-glucosidase, lysine decarboxylase, methyl
red, nitrite reduction and urease.
(c) Costin Stoica
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