| Actinobacillus rossii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Actinobacillus,
Actinobacillus rossii Sneath and Stevens 1990.
Synonyms: group “Ross” (Kilian and Frederiksen, 1981), Phenon 17 (Sneath and Stevens, 1985).
Actinobacillus rossii Sneath 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 ºC, 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 ºC, 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., Moller 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. Facultatively Anaerobic Gram-Negative Rods. Subgroup 3. Family Pasteurellaceae. In: Begey’s Manual of
Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 194-196. - 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.
Positive results for nitrates reduction, oxidase, alkaline phosphatase, catalase, urease,
acid production from: D(+) glucose, L(+) arabinose, glycerol, D(+) xylose, meso-inositol,
mannitol, D(-) sorbitol, D(-) fructose, L(-) fucose, and D(+) galactose.
acid production from: D(+) glucose, L(+) arabinose, glycerol, D(+) xylose, meso-inositol,
mannitol, D(-) sorbitol, D(-) fructose, L(-) fucose, and D(+) galactose.
Negative results for gelatinase, H2S production, Voges-Proskauer reaction, arginine dehydrolase, lysine decarboxylase, ornithine
decarboxylase, alpha-glucosidase, indole production, acid production from: dulcitol, L(-) sorbose, cellobiose, melibiose, sucrose,
trehalose, xylitol, inulin, esculin, and salicin.
Variable results for ONPG, gas from D-glucose, acid production from: D-arabinose, D-mannose, L-rhamnose, lactose, maltose,
raffinose, and dextrin.
decarboxylase, alpha-glucosidase, indole production, acid production from: dulcitol, L(-) sorbose, cellobiose, melibiose, sucrose,
trehalose, xylitol, inulin, esculin, and salicin.
Variable results for ONPG, gas from D-glucose, acid production from: D-arabinose, D-mannose, L-rhamnose, lactose, maltose,
raffinose, and dextrin.
(c) Costin Stoica
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