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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Pasteurellales => Pasteurellaceae => Actinobacillus => Actinobacillus rossii Sneath
and Stevens 1990.
Synonyms: group “Ross” (Kilian and Frederiksen, 1981), Phenon 17 (Sneath and Stevens, 1985).
and Stevens 1990.
Synonyms: group “Ross” (Kilian and Frederiksen, 1981), Phenon 17 (Sneath and Stevens, 1985).
Gram negative small bacilli or coccobacilli , nonmotile.
Colonies are semitransparent , grayish on sheep blood agar, and about 2 mm in
diameter after 48 hours at 37 °C, occasionally producing weak hemolysis.
Growth is aerobic and facultatively anaerobic. Growth on MacConkey agar is variable.
V-factor independent growth. Mesophilic.
diameter after 48 hours at 37 °C, occasionally producing weak hemolysis.
Growth is aerobic and facultatively anaerobic. Growth on MacConkey agar is variable.
V-factor independent growth. Mesophilic.
Isolated from vaginal exudate, aborted piglets, tonsils, lungs, liver, intestines, bone and brain of pigs.
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. - .J. G.Holt et al., 1994.Begey’s manual of Determinative Bacteriology, 9-edition, Williams & Wilkins.
- Christensen H), Kuhnert P., Bisgaard M., Mutters R., Dziva F. & Olsen J.E.: Emended description of porcine [Pasteurella]
aerogenes, [Pasteurella] mairii and [Actinobacillus] rossii. Int. J. Syst. Evol. Microbiol., 2005, 55, 209-223
Nitrates reduction, oxidase, alkaline phosphatase, catalase, urease, acid from D(+)
glucose, L(+) arabinose, glycerol, D(+) xylose, meso-inositol, mannitol, D(-) sorbitol,
D(-) fructose, L(-) fucose & D(+) galactose are positive.
Gelatinase, H2S, Voges-Proskauer reaction, arginine dehydrolase, lysine
decarboxylase, ornithine decarboxylase, indole, dulcitol, L(-) sorbose, cellobiose,
melibiose, sucrose (saccharose), trehalose, xylitol, inulin, esculin, salicin & α-
glucosidase (PNPG) are negative.
glucose, L(+) arabinose, glycerol, D(+) xylose, meso-inositol, mannitol, D(-) sorbitol,
D(-) fructose, L(-) fucose & D(+) galactose are positive.
Gelatinase, H2S, Voges-Proskauer reaction, arginine dehydrolase, lysine
decarboxylase, ornithine decarboxylase, indole, dulcitol, L(-) sorbose, cellobiose,
melibiose, sucrose (saccharose), trehalose, xylitol, inulin, esculin, salicin & α-
glucosidase (PNPG) are negative.
D(+)arabinose, gas from D(+) glucose, acid from D(+) mannose, L(+) rhamnose, lactose, maltose, raffinose, dextrin & ONPG reaction
are variable.
are variable.
(c) Costin Stoica
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