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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Mannheimia granulomatis
Etymology: Genus name: named after the German microbiologist Walter Mannheim.
Species epithet: of a granuloma.
Significance:  [Of minor importance]   
Alternative Species Name(s):Pasteurella granulomatis
Taxonomy:
Phylum
Proteobacteria
Class
Gammaproteobacteria
Order
Pasteurellales
Family
Pasteurellaceae 
Genus
Mannheimia
Type Strain: 26 = ATCC 49244 = CCUG 45422.
Macromorphology (smell):
   
Middle sized grayish white, opaque, round and flat colonies (2-3 mm in diameter). No hemolysis on blood agar.
Micromorphology: Small, non-motile and cockoid rods.
Gram +/Gram -:
 
G-
Metabolism: Facultatively anaerobic.
Catalase/Oxidase:V/V
Other Enzymes: Ornithine decarboxylase -, tryptophanase -, urease -
Biochemical Tests: Citrat -, hydrogen sulphide (H2S) -, methyl red -, Voges-Proskauer -.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
+v+-+
L-arabinosecellobioseD-mannitolsalicintrehalose
-?+?-
glycerolinulinraffinoseD-sorbitolstarch
(+)-v+?
Other carbohydrates: Adonitol -, dextrin V, fructose +, D-fucose -, D-galactose +, D-glykogen -, mannose -, melezitose -, D-melibiose -, D-ribose +, sorbose -, xylitol -, D-xylose -.
Spec. Char.:
Disease:Bronchopneumonia, conjunctivitis and panniculitis.
Hosts: Cattle, deer, hares and rabbits.
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AF053902 ATCC 49244T 1 504  

Taxonomy/phylogeny:
 
Six 17 have been described within genus Mannheimia. The relationship between members within the closely related genera Actinobacillus, Haemophilus and Pasteurella is very uncertain since none of these genera forms monophyletic clusters.
Reference(s): No. 108
Updated:2021-09-26

News

New families introduced within the order Enterobacterales
Phylogenetic tree for the order <i>Enterobacteriales</i>.

The order Enterobacterales (formerly called Enterobacteriales) previously consisted of bacteria with different properties and phylogenetically, these bacteria were far apart. In order for the taxonomy to be more in line with phylogeny, some of these bacteria have, therefore, been sorted into 6 new families.

Published 2022-04-13. Read more...

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