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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
Actinobacteria
Class
Actinobacteria
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-glucoselactosemaltoseL-rhamnosesucrose
+v+-+
L-arabinosecellobioseD-mannitolsalicintrehalose
-----
glycerolinulinraffinoseD-sorbitolstarch
----(+)
Other carbohydrates: Xylose -
Spec. Char.: Temperature optimum: 35-37°C
Disease:Lumpy jaw in cattle and horses.
Hosts: Cattle, horses
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
X53224 (T) 1367  

Taxonomy/phylogeny:
 
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:2017-05-10

News

New names of taxa within the classification category phylum

During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.

Published 2022-09-28. Read more...

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