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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Actinomyces bovis
Etymology: Genus name: Greek actino ray, mykes fungus (referring to the radiating appearance of microcolonies).
Species epithet: of the ox.
Significance:  [Important]   
Taxonomy:
Phylum
Actinomycetota
Class
Actinomycetia
Order
Actinomycetales
Family
Actinomycetaceae 
Genus
Actinomyces
Type Strain: ATCC 13683 = CCUG 31996 = NCTC 11535
Macromorphology (smell): Small opaque colonies (0.5-1 mm in diameter).
Micromorphology: Small bent and nonmotile rod (diameter: 0.2-1.0 µm), sometimes branching filaments up to 50 µm
Gram +/Gram -:G+
Metabolism: Facultatively anaerobic, prefers 10-15% CO2
Catalase/Oxidase:-/-
Other Enzymes: DNase +, hippuricase -, tryptophanase -, urease -
Biochemical Tests: Methyl red +, Voges-Proskauer -
Fermentation of carbohydrates:
D-glucose
+
lactose
v
maltose
+
L-rhamnose
-
sucrose
+
L-arabinose
-
cellobiose
-
D-mannitol
-
salicin
-
trehalose
-
glycerol
-
inulin
-
raffinose
-
D-sorbitol
-
starch
(+)
Other carbohydrates: Xylose -
Spec. Char.: Temperature optimum: 35-37°C
Special Media:
Disease:Lumpy jaw in cattle and horses.
Hosts: Cattle, horses
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
X53224 (T) 1367  

Taxonomy/phylogeny:
Actinomyces bovis  
The genus Actinomyces is composed of about 40 species, which are related to the genera Actinobaculum and Trueperella.
Comment:Slow growing (visible growth on blood agar in 48-72 hours), type species for the genus
Reference(s): No. 96
Updated:2023-03-02

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