Pasteurella canis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Pasteurella, Pasteurella
canis
Mutters, Ihm, Pohl, Frederiksen and Mannheim 1985.
Nonmotile, Gram-negative, coccoid to pleomorphic rods, singly or grouped in short chains or filamentous forms.
Colony morphology resembles that of P. multocida biotype 1, usually reach a diameter of 1 mm. Nonhemolytic, V-factor independent,
optimum temperature is 36 ºC. Does not grow on MacConkey agar.
Biotype 1 is recovered mainly from the oral cavities of dogs and from dog-bite wounds in humans; biotype 2 have been isolated from
pneumonia from calves
Have been isolated from the lungs of calves with pneumonia (biotype 2) and from dog-bite wounds in humans (biotype 1).
  1. R. Mutters, H. Christensen, M. Bisgaard, 2004. Genus I. Pasteurella. In: Bergey’s Manual of Systematic Bacteriology, Second
    edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 857-866.
  2. W.M. Janda, R. Mutters, 2006. Pasteurella, Mannheimia, Actinobacillus, Eikenella, Kingella, Capnocytophaga, and other
    miscellaneous Gram-negative rods. In: Topley & Wilson’s Microbiology and Microbial Infections, 10 edition, Vol. 2, Bacteriology,
    Edward Arnold Ltd.
  3. J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 3. Family Pasteurellaceae. In: Begey’s Manual of
    Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 194-196.
Positive results for nitrates reduction, oxidase, alkaline phosphatase, catalase,
ornithine decarboxylase, acid production from: D(-) fructose, D(+) galactose, D(+)
glucose, D(+) mannose & sucrose (saccharose).

Negative results for gelatinase, H
2S production (TSI), Voges-Proskauer test, urease,
arginine dehydrolase, lysine decarboxylase, ONPG, acid production from: glycerol,
xylitol, L(+) arabinose,  D(-)arabinose, dulcitol, meso-inositol, mannitol, D(-) sorbitol,  L
(-) fucose, D(+) glucose-gas, L(+) rhamnose, L(-) sorbose, D(+)xylose, cellobiose,
lactose, maltose, D(+) melibiose, raffinose, dextrin, inulin, esculin & salicin.

Variable results for
alpha-glucosidase & acid production from trehalose.
Indole production is positive for biotype 1 and negative for biotype 2.
(c) Costin Stoica
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