Actinobacillus indolicus
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
See also
Proteobacteria => Gammaproteobacteria => Pasteurellales => Pasteurellaceae => Actinobacillus =>Actinobacillus indolicus  Møller,
Fussing, Grimont, Paster, Dewhirst and Kilian, 1996.
Gram negative, small rods , 0.8-2.4µm, non-motile, non-sporulated.
Colonies are graysh and opaque on chocolate agar; 2 mm in diameter after 48 hours
of incubation. Cultures have a characteristic pungent smell. Hemolysis variable.  
V-factor dependent growth.
Isolated from the upper respiratory tracts of pigs , where they constitute part of the residing mucosal flora
Is not pathogenic to pigs and have a low potential for colonization of the upper respiratory tract of gnotobiotic piglets.
  1. 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.
  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. Moller K., Fussing V., Grimont P.A.D., Paster B.J., Dewhirst F.E. & Kilian M.: Actinobacillus minor sp. nov., Actinobacillus
    porcinus sp. nov., and Actinobacillus indolicus sp. nov., three new V factor-dependent species from the respiratory tract of
    pigs. Int. J. Syst. Bacteriol., 1996, 46, 951-956.
Alkaline phosphatase, catalase, indole, H2S, D(+) galactose, D(+) glucose (acid), D(+)
mannose, ONPG, maltose, sucrose (saccharose), raffinose = positive.

Urease, arginine dehydrolase, lysine decarboxylase, ornithine decarboxylase, L(+)
arabinose, meso-inositol, mannitol, D(-) sorbitol, inulin, esculin, salicin & , gas from
D(+) glucose = negative

Oxidase, D(+) xylose, lactose, melibiose & trehalose = variable.
(c) Costin Stoica
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