Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Actinomyces, Actinomyces coleocanis Hoyles, Falsen, Foster and Collins 2002.
Species description is based on a single isolate.
Gram-positive straight to slightly curved rods, some of which exhibit branching.
Non-motile. Non-acid-fast.
Colonies are tiny, irregular, convex, white and adherent to medium. It was cultured on
Columbia agar (Difco) supplemented with 5% horse blood at 37 ºC in air plus 5%
CO2. Facultative anaerobic.
Isolated in mixed culture with Corynebacterium genitalium from the vagina of a cocker spaniel dog. Habitat is not known.
Undetermined.
- Hoyles L., Falsen E., Foster G, and Collins M.D., 2002. Actinomyces coleocanis sp. nov., from the vagina of a dog. Int. J. Syst.
Bacteriol. Vol. 52, 1201-1203.
Description is based mostly on API CORYNE (code 2410162), API rapid ID32Strep
(code 40016461000) and API ZYM results.
Positive results for beta-galactosidase, alpha-glucosidase, pyrazinamidase (weak reaction), acid production from: D-glucose,
glycogen, lactose, maltose and pullulan.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, chymotrypsin, cystine arylamidase, esculin
hydrolysis, esterase C4, ester lipase C8, alpha-fucosidase, alpha-galactosidase, beta-glucosidase, beta-glucuronidase, gelatin
hydrolysis, N-acetyl-beta-glucosaminidase, hippurate hydrolysis, leucine arylamidase, lipase C14, alpha-mannosidase, nitrate
reduction, pyrrolidonyl arylamidase, trypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from: L-arabinose,
D-arabitol, cyclodextrin, methyl-beta-D-glucopyranoside, mannitol, melibiose, melezitose, raffinose, ribose, sorbitol, tagatose,
trehalose and D-xylose.
(c) Costin Stoica