Haemophilus paracuniculus
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Haemophilus,  
Haemophilus  paracuniculus  
Targowski and Targowski 1984.
Gram-negative coccobacilli or rods, filamentous forms, noncapsulated.
Colonies on chocolate agar are smooth, high  convex, opaque, grayish. Hemolysis is
negative.
Aerobic, facultatively anaerobic, require V-factor but not X-factor for growth. CO
2
enriched atmosphere favorize growth. Growth on Mac Conkey agar is negative.
Isolated from the gastrointestinal tract of rabbits with mucoid enteritis.
Not established.
  1. Mogens Kilian, 2004. Genus III. Haemophilus. In:  Bergey’s Manual of Systematic Bacteriology, Second edition, Vol two, part B,
    George M. Garrity (Editor-in-Chief), pp. 883-904.
  2. Mary P.E. Slack, 2006. Haemophilus. 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, urease,
arginine dehydrolase, ornithine decarboxylase, indole, ONPG, acid production from:
D(+) glucose (without gas), maltose, D(-) fructose & sucrose.

Negative results for H
2S production, alpha-glucosidase, lysine decarboxylase, acid production from: glycerol,  xylitol, D(+) xylose,
dulcitol, meso-inositol, mannitol, D(-) sorbitol, D(+) galactose, L(-) sorbose, cellobiose, lactose, D(+) melibiose, trehalose, raffinose,
inulin, esculin & salicin.
(c) Costin Stoica
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