| Mannheimia granulomatis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Mannheimia,
Mannheimia granulomatis Angen, Mutters, Caugant, Olsen and Bisgaard 1999.
Historical synonym: Pasteurella granulomatis Ribeiro, Carter, Frederiksen and Riet-Correa 1990.
Mannheimia granulomatis Angen, Mutters, Caugant, Olsen and Bisgaard 1999.
Historical synonym: Pasteurella granulomatis Ribeiro, Carter, Frederiksen and Riet-Correa 1990.
Coccobacillary cells or small rods, nonmotile, Gram-negative.
1-2 mm in diameter colonies, regular, smooth, and graysh on blood agar.
Nonhemolytic on bovine blood agar but hemolytic on sheep blood agar.
V-factor independent and X-factor independent.
Growth is mesophilic and facultative anaerobic. Growth on MacConkey is negative.
Nonhemolytic on bovine blood agar but hemolytic on sheep blood agar.
V-factor independent and X-factor independent.
Growth is mesophilic and facultative anaerobic. Growth on MacConkey is negative.
Isolated from bovine panniculitis, bronchopneumonia and conjunctivitis in leprine species and deer and from oral cavity of cattle.
No virulence factors have yet been described although was isolated from panniculitis, bronchopneumonia and conjunctivitis in animals.
- Mutters R., Angen Ø., Bisgaard M. 2004.Genus V. Mannheimia. In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol
two, part B, George M. Garrity (Editor-in-Chief), pp. 907-911. - 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. - Li F, Zhao W, Hong Q, Shao Q, Zhu J, Yang S. Mannheimia bovis sp. nov., Isolated from a Dead Cow with Hemorrhagic
Pneumonia. Curr Microbiol 2021; 78:1692-1698.
Positive results for nitrates reduction, alkaline phosphatase, glycerol, mannitol, D(-)
sorbitol, D(+) galactose, acid production from: D(+) glucose (without gas), maltose,
sucrose (saccharose) and D(-) fructose.
Negative results for gelatinase, H2S production, Voges-Proskauer, urease, arginine dehydrolase, lysine decarboxylase, ornithine
decarboxylase, alpha-glucosidase, indole production, citrate (Simmons), acid production from: D(-)arabinose, dulcitol, D(+)
mannose, L(-) sorbose, D(+) melibiose, rhamnose, trehalose, inulin, salicin, L(-) xylose and xylitol, .
Variable results for ONPG, oxidase, catalase, acid production from: meso-inositol, L(-) fucose, lactose, raffinose, dextrin and esculin.
sorbitol, D(+) galactose, acid production from: D(+) glucose (without gas), maltose,
sucrose (saccharose) and D(-) fructose.
Negative results for gelatinase, H2S production, Voges-Proskauer, urease, arginine dehydrolase, lysine decarboxylase, ornithine
decarboxylase, alpha-glucosidase, indole production, citrate (Simmons), acid production from: D(-)arabinose, dulcitol, D(+)
mannose, L(-) sorbose, D(+) melibiose, rhamnose, trehalose, inulin, salicin, L(-) xylose and xylitol, .
Variable results for ONPG, oxidase, catalase, acid production from: meso-inositol, L(-) fucose, lactose, raffinose, dextrin and esculin.
(c) Costin Stoica
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