| Mesocricetibacter intestinalis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Caviibacterium, Mesocricetibacter intestinalis Christensen et al. 2014, type species of the genus.
Synonym: Bisgaard taxon 24.
Caviibacterium, Mesocricetibacter intestinalis Christensen et al. 2014, type species of the genus.
Synonym: Bisgaard taxon 24.
Gram-negative, pleomorphic rods. Non-motile.
Colonies are greyish, shiny, regular and circular, with smooth appearance, 0.5-1.5
mm in diameter after 48 h of aerobic incubation at 37 ºC. Adherence to the blood agar
may occur. Beta-haemolysis is not produced. X and V factors are not required.
Facultatively anaerobic. Can grow on MacConkey agar. Growth is not observed with
KCN.
mm in diameter after 48 h of aerobic incubation at 37 ºC. Adherence to the blood agar
may occur. Beta-haemolysis is not produced. X and V factors are not required.
Facultatively anaerobic. Can grow on MacConkey agar. Growth is not observed with
KCN.
Isolated from caecitis of a Syrian hamster.
Undetermined.
- Christensen H, Nicklas W, Bisgaard M. Investigation of taxa of the family Pasteurellaceae isolated from Syrian and European
hamsters and proposal of Mesocricetibacter intestinalis gen. nov., sp. nov. and Cricetibacter osteomyelitidis gen. nov., sp. nov. Int
J Syst Evol Microbiol 2014; 64:3636-3643.
Positive results for alkaline phosphatase (weakly), alanine amino peptidase, indole production, methyl red test (weakly), nitrate
reduction, ONPG, oxidase, urease, acid production from: D(-) fructose, D(+)glucose (with gas production), D(+)galactose, glycerol
(delayed), meso-inositol (delayed), lactose (most strains), D(-) mannitol, D(+) mannose, D(-)-ribose, D(-) sorbitol, sucrose and D(+)
xylose.
Negative results for arginine dihydrolase, catalase, Simmons’ citrate, alpha-fucosidase, gelatinase, alpha-galactosidase, beta-
glucuronidase, alpha- and beta-glucosidase, H2S production (TSI), lysine decarboxylase, alpha-mannosidase, ornithine
decarboxylase, phenylalanine deaminase, Tweens 20 and 80 hydrolysis, Voges-Proskauer test, beta-xylosidase, acid production
from: L(+) arabinose, adonitol, amygdalin, arbutin, D(+) arabitol, cellobiose, dulcitol, dextrin, aesculin, i-erythritol, L(-) fucose, D(+)
glycogen, inulin, maltose, melibiose, L(-) sorbose, starch, salicin, trehalose, L(-) xylose and xylitol.
Variable results for acid production from D(-) arabinose, mucate, L(+) rhamnose and raffinose.
reduction, ONPG, oxidase, urease, acid production from: D(-) fructose, D(+)glucose (with gas production), D(+)galactose, glycerol
(delayed), meso-inositol (delayed), lactose (most strains), D(-) mannitol, D(+) mannose, D(-)-ribose, D(-) sorbitol, sucrose and D(+)
xylose.
Negative results for arginine dihydrolase, catalase, Simmons’ citrate, alpha-fucosidase, gelatinase, alpha-galactosidase, beta-
glucuronidase, alpha- and beta-glucosidase, H2S production (TSI), lysine decarboxylase, alpha-mannosidase, ornithine
decarboxylase, phenylalanine deaminase, Tweens 20 and 80 hydrolysis, Voges-Proskauer test, beta-xylosidase, acid production
from: L(+) arabinose, adonitol, amygdalin, arbutin, D(+) arabitol, cellobiose, dulcitol, dextrin, aesculin, i-erythritol, L(-) fucose, D(+)
glycogen, inulin, maltose, melibiose, L(-) sorbose, starch, salicin, trehalose, L(-) xylose and xylitol.
Variable results for acid production from D(-) arabinose, mucate, L(+) rhamnose and raffinose.
(c) Costin Stoica
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