Actinomyces bowdenii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Actinomyces,
Actinomyces bowdenii Pascual, Foster, Falsen, Bergström, Greko and Collins 1999.
Gram-positive straight and slightly curved rods, some of which with branching; 2.0-4.0
µm  in length. Non-motile.
Colonies are greyish-white, 2 mm in diameter after 24-48 h of aerobic incubation on
sheep blood agar. CO
2 enrichment or anaerobiosis do not enhance growth.
Non-haemolytic. Facultative anaerobic. Grows at 37 ºC.
Habitat is not known. Isolated from canine and feline clinical specimens.
Isolated from canine and feline clinical specimens (abscess, pleural fluid).
  1. Pascual C., Foster G., Falsen E., Bergstrom K., Greko C. and Collins M.D., 1999. Actinomyces bowdenii sp. nov., isolated from
    canine and feline clinical specimens. Int. J. Syst. Bacteriol. Vol. 49, 1873-1877.
Non-acid-fast.
Description is based mostly on API CORYNE and API ZYM results.

Positive results for acid phosphatase, catalase, esculin hydrolysis, alpha- and beta-galactosidase, beta-glucosidase, leucine
arylamidase, nitrate reduction, acid production from: D-glucose, lactose, maltose, melezitose, melibiose,
methyl-beta-D-glucopyranoside, raffinose, ribose, sucrose (saccharose) & trehalose.

Negative results for arginine dihydrolase, cystine arylamidase, chymotrypsin, esterase C4, ester lipase C8, alpha-fucosidase, gelatin
hydrolysis, beta-glucuronidase, N-acetyl-beta-glucosaminidase, hippurate hydrolysis, lipase C14, alpha-mannosidase,
trypsin,urease, valine arylamidase, Voges-Proskauer test, acid production from: L-arabinose, D-arabitol, mannitol, sorbitol & xylose.

Variable results for alkaline phosphatase, alpha-glucosidase, pyrazinamidase, acid production from tagatose.
(c) Costin Stoica
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