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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Pasteurellales => Pasteurellaceae => Mannheimia => Mannheimia glucosida Angen,
Mutters, Caugant, Olsen and Bisgaard 1999
Historical synonyms: Corresponds to Frederiksen’s third taxon of M. haemolytica (Frederiksen 1973), classified as P. haemolytica
biogrups 3 and 5 by Bisgaard and Mutters, 1986 and reclassified as M. haemolytica biogroups 3A-H bu Angen et al (1973). Also
includes NPG and meso-inositol positive strains of M. haemolytica biogroup 9 (Bisgaard and Mutters, 1986).
Mutters, Caugant, Olsen and Bisgaard 1999
Historical synonyms: Corresponds to Frederiksen’s third taxon of M. haemolytica (Frederiksen 1973), classified as P. haemolytica
biogrups 3 and 5 by Bisgaard and Mutters, 1986 and reclassified as M. haemolytica biogroups 3A-H bu Angen et al (1973). Also
includes NPG and meso-inositol positive strains of M. haemolytica biogroup 9 (Bisgaard and Mutters, 1986).
Gram-negative, nonmotile, small rods.
Regular colonies, smooth, and graysh on blood agar; 1-2 mm in diameter, β-
hemolytic on bovine blood agar.
Strains are V-factor independent and X-factor independent. growth on MacConkey is
variable. Growth is mesophilic and facultative anaerobic
hemolytic on bovine blood agar.
Strains are V-factor independent and X-factor independent. growth on MacConkey is
variable. Growth is mesophilic and facultative anaerobic
Isolated from sheep and cattle; probably represents part of the resident microflora in the upper respiratory tract . Also isolated from
ovine lung.
ovine lung.
Normally is not associated with disease. Serotype A11 produces a leucotoxin.
- 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.Bergey’s Manual of Determinative Bacteriology, 9-edition, Williams & Wilkins.
- Carmen Pinzaru, 2009. Identificarea genurilor Pasteurella, Mannheimia, Actinobacillus.In:D.Buiuc, M.Negut (Ed.),Tratat de
Microbiologie Clinica, Ed. Medicala, Bucuresti, 859-868. - Buchanan R.E., Gibbons N.E. (co-editors), 1975. Bergey’s Manual of Determinative Bacteriology, eight edition, The Williams &
Wilkins Company, Baltimore.
Nitrates reduction, oxidase, alkaline phosphatase, catalase, mannitol, D(-) sorbitol,
D(-) fructose, L(-) fucose, D(+) galactose, D(+) glucose (acid), lactose, ONPG,
maltose, sucrose (saccharose), dextrin, glycerol & meso-inositol = positive.
Gelatinase, H2S (TSI), Voges-Proskauer, urease, arginine dehydrolase, lysine
decarboxylase, indole, xylitol, L(-) xylose, dulcitol, D(+) mannose, L(+) rhamnose, L(-)
sorbose, D(+) melibiose, trehalose, inulin, esculin, salicin & gas from D(+) glucose =
negative.
Ornithine decarboxylase, arabinose & raffinose = variable.
D(-) fructose, L(-) fucose, D(+) galactose, D(+) glucose (acid), lactose, ONPG,
maltose, sucrose (saccharose), dextrin, glycerol & meso-inositol = positive.
Gelatinase, H2S (TSI), Voges-Proskauer, urease, arginine dehydrolase, lysine
decarboxylase, indole, xylitol, L(-) xylose, dulcitol, D(+) mannose, L(+) rhamnose, L(-)
sorbose, D(+) melibiose, trehalose, inulin, esculin, salicin & gas from D(+) glucose =
negative.
Ornithine decarboxylase, arabinose & raffinose = variable.
(c) Costin Stoica
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