| 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, Bergstrom, Greko and Collins 1999.
Actinomycetaceae, Genus Actinomyces, Actinomyces bowdenii Pascual, Foster, Falsen, Bergstrom, 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. Non-acid-fast.
µm in length. Non-motile. Non-acid-fast.
Colonies are greyish-white, 2 mm in diameter after 24-48 h of aerobic incubation on
sheep blood agar. CO2 enrichment or anaerobiosis do not enhance growth. Grows at
37 ºC. Non-haemolytic. Facultative anaerobic.
sheep blood agar. CO2 enrichment or anaerobiosis do not enhance growth. Grows at
37 ºC. Non-haemolytic. Facultative anaerobic.
Habitat is not known. Isolated from canine and feline clinical specimens.
Isolated from canine and feline clinical specimens (abscess, pleural fluid).
- 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.
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) and 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 and xylose.
Variable results for alkaline phosphatase, alpha-glucosidase, pyrazinamidase, acid production from tagatose.
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) and 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 and xylose.
Variable results for alkaline phosphatase, alpha-glucosidase, pyrazinamidase, acid production from tagatose.
(c) Costin Stoica
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