| Mannheimia bovis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Mannheimia, Mannheimia bovis Li et al. 2021.
Mannheimia, Mannheimia bovis Li et al. 2021.
Gram-negative, pleomorphic rods, 0.2-0.3 x 0.2-2.5 μm. Non-motile.
On Columbia agar, the colonies are 0.5-1.0 mm in diameter, circular, raised, smooth,
and semitransparent. Optimal growth occurred at 37 °C, pH 8.0 and 0.5% NaCl (w/v)
in NB. Produces homogeneous suspension in NB. Beta-haemolysis is not produced
on 5.0% (v/v) sheep blood agar. No growth on MacConkey agar. Facultatively
anaerobic.
and semitransparent. Optimal growth occurred at 37 °C, pH 8.0 and 0.5% NaCl (w/v)
in NB. Produces homogeneous suspension in NB. Beta-haemolysis is not produced
on 5.0% (v/v) sheep blood agar. No growth on MacConkey agar. Facultatively
anaerobic.
Isolated from lung of a cow in Kunming, Yunnan Province, P.R. China.
Isolated from dead cow with hemorrhagic pneumonia.
- 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 acid and alkaline phosphatase, catalase, esterase, esterase lipase, L-aspartic acid arylamidase, beta-
galactosidase, beta-glucosidase, indole production, leucine arylamidase, N-AS-BI-phosphohydrolase, nitrate reduction, oxidase
acid production from: L-arabitol, galacturonate and 5-ketogluconate.
Negative results for arginine dihydrolase, alpha-fucosidase, аlpha-glucosidase, alpha-galactosidase, beta-glucuronidase, lipase,
lysine decarboxylase, аlpha-maltosidase, alpha-mannosidase, malonate utilization, ornithine decarboxylase, protease, trypsin, аlpha-
chymotrypsin, urease, valine arylamidase, acid production from: adonitol, L-arabinose, D-arabitol, cellobiose, glucose, inositol,
maltose, mannitol, palatinose, rhamnose, sorbitol, sucrose and trehalose.
galactosidase, beta-glucosidase, indole production, leucine arylamidase, N-AS-BI-phosphohydrolase, nitrate reduction, oxidase
acid production from: L-arabitol, galacturonate and 5-ketogluconate.
Negative results for arginine dihydrolase, alpha-fucosidase, аlpha-glucosidase, alpha-galactosidase, beta-glucuronidase, lipase,
lysine decarboxylase, аlpha-maltosidase, alpha-mannosidase, malonate utilization, ornithine decarboxylase, protease, trypsin, аlpha-
chymotrypsin, urease, valine arylamidase, acid production from: adonitol, L-arabinose, D-arabitol, cellobiose, glucose, inositol,
maltose, mannitol, palatinose, rhamnose, sorbitol, sucrose and trehalose.
(c) Costin Stoica
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