| Species/Subspecies: | Actinomyces bovis | ||||||||
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| Etymology: | Genus name: Greek actino ray, mykes fungus (referring to the radiating appearance of microcolonies). Species epithet: of the ox. | ||||||||
| Significance: | [Important] | ||||||||
| Taxonomy: | Class Actinomycetia Order Actinomycetales Family Actinomycetaceae Genus Actinomyces |
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| 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 (+) |
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| Spec. Char.: | Temperature optimum: 35-37°C | ||||||||
| Special Media: | |||||||||
| Disease: | Lumpy jaw in cattle and horses. |
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| Hosts: | Cattle, horses | ||||||||
| Clinical Picture: | |||||||||
| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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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 |