| Arcanobacterium hippocoleae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Arcanobacterium, Arcanobacterium hippocoleae Hoyles, Falsen, Foster, Rogerson and Collins 2002.
Description is based on a single isolate.
Actinomycetaceae, Genus Arcanobacterium, Arcanobacterium hippocoleae Hoyles, Falsen, Foster, Rogerson and Collins 2002.
Description is based on a single isolate.
Gram-positive irregular-shaped, non-branching rods. Non-motile. Non-spore-forming.
Colonies are grey, shiny, circular, opaque, convex, after incubation in 5% CO2
atmosphere, on 5% horse blood Columbia (Difco) agar. Weakly haemolytic.
Facultative anaerobic. Grows at 37 ºC.
atmosphere, on 5% horse blood Columbia (Difco) agar. Weakly haemolytic.
Facultative anaerobic. Grows at 37 ºC.
Isolated from a 3-year old female Arab cross horse with vaginal discharge. Habitat is not known.
It is unclear, the strain have been recovered in mixed cultures with an unidentified Corynebacterium spp. and coagulase-negative
staphylococci from a vaginal discharge of a horse.
staphylococci from a vaginal discharge of a horse.
- Hoyles L., Falsen E., Foster G., Rogerson F. and Collins M. D., 2002. Arcanobacterium hippocoleae sp. nov., from the vagina of a
horse. Int J Syst Evol Microbiol 52, 617-619.
Most results are based on API ZYM, API rapid ID32 Strep and API CORYNE.
Non-acid-fast.
Positive results for esculin hydrolysis (weak reaction), beta-galactosidase, alpha-glucosidase, beta-glucuronidase, hippurate
hydrolysis, leucine arylamidase, phosphoamidase, acid production from D-glucose & lactose.
Negative results for acid phosphatase, arginine dihydrolase, catalase, alpha-chymotrypsin, esterase C4, esterase-lipase C8,
alpha-fucosidase, alpha-galactosidase, beta-glucosidase, gelatin hydrolysis, lipase (C14), alpha- and beta-mannosidase, nitrate
reduction, pyrazinamidase, pyrrolidonyl arylamidase, trypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from:
L-arabinose, D-arabitol, cyclodextrin, glycogen, mannitol, melezitose, melibiose, pullulan, D-raffinose, D-ribose, sorbitol, sucrose,
tagatose, trehalose & D-xylose.
Variable results for alkaline phosphatase, N-acetyl-beta-glucosaminidase, acid production from maltose.
Non-acid-fast.
Positive results for esculin hydrolysis (weak reaction), beta-galactosidase, alpha-glucosidase, beta-glucuronidase, hippurate
hydrolysis, leucine arylamidase, phosphoamidase, acid production from D-glucose & lactose.
Negative results for acid phosphatase, arginine dihydrolase, catalase, alpha-chymotrypsin, esterase C4, esterase-lipase C8,
alpha-fucosidase, alpha-galactosidase, beta-glucosidase, gelatin hydrolysis, lipase (C14), alpha- and beta-mannosidase, nitrate
reduction, pyrazinamidase, pyrrolidonyl arylamidase, trypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from:
L-arabinose, D-arabitol, cyclodextrin, glycogen, mannitol, melezitose, melibiose, pullulan, D-raffinose, D-ribose, sorbitol, sucrose,
tagatose, trehalose & D-xylose.
Variable results for alkaline phosphatase, N-acetyl-beta-glucosaminidase, acid production from maltose.
(c) Costin Stoica
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