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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Pasteurellales => Pasteurellaceae => Actinobacillus => Actinobacillus delphinicola
Foster, Ross, Malnick, Willems and Garcia 1996.
Foster, Ross, Malnick, Willems and Garcia 1996.
Gram negative, pleomorphic rods. Non-motile. Non-sporulated.
Circular, convex, smooth, gray colonies on Columbia agar supplemented with 5 %
citrated sheep blood and incubated at 37°C in an atmosphere containing 10% added
CO2. 0.75-1 mm. diameter after 24 h. Nonhemolytic or weakly hemolytic.
Facultatively anaerobic. Added CO2 is required for growth. Blood and serum enhance
growth.
Growth occurs at 42°C, but not at 22°C
Growth on MacConkey agar is negative. V-factor independent.
citrated sheep blood and incubated at 37°C in an atmosphere containing 10% added
CO2. 0.75-1 mm. diameter after 24 h. Nonhemolytic or weakly hemolytic.
Facultatively anaerobic. Added CO2 is required for growth. Blood and serum enhance
growth.
Growth occurs at 42°C, but not at 22°C
Growth on MacConkey agar is negative. V-factor independent.
Isolated from harbor porpoises*, a Sowerby’s beaked whale, and a striped dolphin.
Isolated postmortem from different pathological lesions of the lung , cervix, and uterus or from intestinal contents of stranded
porpoises, dolphins, and a whale. Its role in infectious diseasesin these animals is unknown.
porpoises, dolphins, and a whale. Its role in infectious diseasesin these animals is unknown.
- Olsen I., MØller K., 2004.Genus II. Actinobacillus . In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol two,
part B, George M. Garrity (Editor-in-Chief), pp. 866-883. - 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.
Oxidase, nitrates reduction, alkaline phosphatase, Voges-Proskauer, D(+) glucose
(acid) & D(+) mannose = positive.
Catalase, gelatinase, H2S, urease, indole, D(+)xylose, dulcitol, meso-inositol,
mannitol, D(-) sorbitol, D(+) galactose, gas from D(+) glucose, L(+) rhamnose,
lactose, ONPG, maltose, melibiose, sucrose (saccharose), trehalose, raffinose,
inulin, esculin & salicin = negative.
Arginine dehydrolase, lysine decarboxylase & ornithine decarboxylase = variable.
(acid) & D(+) mannose = positive.
Catalase, gelatinase, H2S, urease, indole, D(+)xylose, dulcitol, meso-inositol,
mannitol, D(-) sorbitol, D(+) galactose, gas from D(+) glucose, L(+) rhamnose,
lactose, ONPG, maltose, melibiose, sucrose (saccharose), trehalose, raffinose,
inulin, esculin & salicin = negative.
Arginine dehydrolase, lysine decarboxylase & ornithine decarboxylase = variable.
* Porpoises are small cetaceans of the family Phocoenidae; they are related to whales and dolphins.
(c) Costin Stoica
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