| Actinomyces cardiffensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Actynomycetales, Suborder Actinomycinae, Family Actinomycetaceae, Genus
Actinomyces, Actinomyces cardiffensis Hall, Collins, Hutson, Falsen, and Duerden 2002.
Actinomyces, Actinomyces cardiffensis Hall, Collins, Hutson, Falsen, and Duerden 2002.
Gram-positive pleomorphic, slender, straight to curved rods; beaded branching
filaments occur. Non-motile. Non-spore-forming. Non-acid-fast.
filaments occur. Non-motile. Non-spore-forming. Non-acid-fast.
Colonies are pinpoint, convex, smooth, entire-edged, opaque cream to pinkish on
Fastidious Anaerobic Agar with 5% horse blood after 48 h of incubation. Facultative
anaerobic. Non-hemolytic.
Fastidious Anaerobic Agar with 5% horse blood after 48 h of incubation. Facultative
anaerobic. Non-hemolytic.
Isolated from human clinical specimens. Habitat is not known.
Isolated from human pleural fluid, brain, jaw, pericolic and ear abscesses.
- Hall V., Collins M.D., Hutson R., Falsen E., and Duerden B.I., 2002. Actinomyces cardiffensis sp. nov. from Human Clinical
Sources. Journal of Clinical Microbiology, Vol. 40, No. 9, 3427-3431.
Description is based mostly on API CORYNE (0/10101/321), API rapid 32S, API rapid
ID32A results.
Positive results for arginine dihydrolase, alpha-glucosidase, leucine arylamidase, acid production from: glucose and sucrose.
Negative results for alkaline phosphatase, catalase, esculin hydrolysis, alpha-fucosidase, alpha-galactosidase, beta-galactosidase,
beta-glucosidase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, hippurate hydrolysis, indole production,
lipase C14, alpha-mannosidase, pyrazinamidase, pyrrolidonyl arylamidase, starch hydrolysis, urease, Voges-Proskauer test, acid
production from: amygdalin, L-arabinose, D-arabitol, cellobiose, cyclodextrin, glycogen, methyl-beta-D-glucopyranoside,
N-acetyl-beta-glucosamine, lactose, mannitol, melibiose, melezitose, pullulan, salicin, sorbitol, tagatose, trehalose and D-xylose.
Variable results for nitrate reduction, acid production from: maltose, mannose, raffinose and ribose.
ID32A results.
Positive results for arginine dihydrolase, alpha-glucosidase, leucine arylamidase, acid production from: glucose and sucrose.
Negative results for alkaline phosphatase, catalase, esculin hydrolysis, alpha-fucosidase, alpha-galactosidase, beta-galactosidase,
beta-glucosidase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, hippurate hydrolysis, indole production,
lipase C14, alpha-mannosidase, pyrazinamidase, pyrrolidonyl arylamidase, starch hydrolysis, urease, Voges-Proskauer test, acid
production from: amygdalin, L-arabinose, D-arabitol, cellobiose, cyclodextrin, glycogen, methyl-beta-D-glucopyranoside,
N-acetyl-beta-glucosamine, lactose, mannitol, melibiose, melezitose, pullulan, salicin, sorbitol, tagatose, trehalose and D-xylose.
Variable results for nitrate reduction, acid production from: maltose, mannose, raffinose and ribose.
(c) Costin Stoica
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