| Actinomyces funkei |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Actinomyces, Actinomyces funkei Lawson, Nikolaitchouk, Falsen, Westling and Collins 2002.
Actinomycetaceae, Genus Actinomyces, Actinomyces funkei Lawson, Nikolaitchouk, Falsen, Westling and Collins 2002.
Gram-positive slender, straight to slightly curved rods, some of which exhibit
branching. Non-motile. Non-spore-forming. Non-acid-fast.
branching. Non-motile. Non-spore-forming. Non-acid-fast.
Colonies are small (< 1 mm in diameter after 24 h), grey and non-haemolytic on
Columbia agar (Difco) supplemented with 5% horse blood in air plus 5% CO2, at 37
ºC. Facultative anaerobic.
Columbia agar (Difco) supplemented with 5% horse blood in air plus 5% CO2, at 37
ºC. Facultative anaerobic.
Isolated from human clinical specimens. Habitat is not known.
Undetermined.
- Lawson P.A., Nikolaitchouk N., Falsen E., Westling K., and Collins M.D., 2001. Actinomyces funkei sp. nov., isolated from human
clinical specimens. Int. J. Syst. Bacteriol. Vol. 51, 853-855.
Description is based mostly on API CORYNE (3530761/0130761), API ZYM, and
API rapid ID32Strep results.
Positive results for acid and alkaline phosphatase, cystine arylamidase (weak reaction), alpha-glucosidase, hippurate hydrolysis,
leucine arylamidase, acid production from: D-glucose, sucrose (saccharose) and D-xylose.
Negative results for arginine dihydrolase, catalase, chymotrypsin, esculin hydrolysis, esterase C4, ester lipase C8, alpha-fucosidase,
alpha-galactosidase, beta-glucosidase, beta-glucuronidase, gelatin hydrolysis, lipase C14, alpha-mannosidase, pyrrolidonyl
arylamidase, trypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from: L-arabinose, D-arabitol, cyclodextrin,
glycogen, methyl-beta-D-glucopyranoside, mannitol, melezitose, melibiose, pullulan, raffinose, sorbitol, tagatose and trehalose.
Variable results for beta-galactosidase, N-acetyl-beta-glucosaminidase, nitrate reduction, pyrazinamidase, acid production from:
lactose, maltose and ribose.
API rapid ID32Strep results.
Positive results for acid and alkaline phosphatase, cystine arylamidase (weak reaction), alpha-glucosidase, hippurate hydrolysis,
leucine arylamidase, acid production from: D-glucose, sucrose (saccharose) and D-xylose.
Negative results for arginine dihydrolase, catalase, chymotrypsin, esculin hydrolysis, esterase C4, ester lipase C8, alpha-fucosidase,
alpha-galactosidase, beta-glucosidase, beta-glucuronidase, gelatin hydrolysis, lipase C14, alpha-mannosidase, pyrrolidonyl
arylamidase, trypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from: L-arabinose, D-arabitol, cyclodextrin,
glycogen, methyl-beta-D-glucopyranoside, mannitol, melezitose, melibiose, pullulan, raffinose, sorbitol, tagatose and trehalose.
Variable results for beta-galactosidase, N-acetyl-beta-glucosaminidase, nitrate reduction, pyrazinamidase, acid production from:
lactose, maltose and ribose.
(c) Costin Stoica
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