Isolated from blood of a 64-year-old male with chronic pyelonephritis.
| Actinotignum schaalii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Actinotignum, Actinotignum schaalii Yassin, Sproer, Pukall, Sylvester, Siering and Schumann 2015.
Old synonyms: Actinobaculum schaalii Lawson et al. 1997.
Actinomycetaceae, Genus Actinotignum, Actinotignum schaalii Yassin, Sproer, Pukall, Sylvester, Siering and Schumann 2015.
Old synonyms: Actinobaculum schaalii Lawson et al. 1997.
Gram-positive straight to slightly curved rods, some with branching. Non-motile.
Non-spore-forming. Not acid fast.
Non-spore-forming. Not acid fast.
Non-haemolytic. CAMP reaction is weak. Facultative anaerobic. Grows in BHI at 37 ºC.
Microaerophilic.
Microaerophilic.
Isolated from human blood and urine.
- Yassin A.F., Sproer C., Pukall R., Sylvester M., Siering C. and Schumann P., 2015. Dissection of the genus Actinobaculum:
reclassification of Actinobaculum schaalii Lawson et al. 1997 and Actinobaculum urinale Hall et al. 2003 as Actinotignum schaalii
gen. nov., comb. nov. and Actinotignum urinale comb. nov., description of Actinotignum sanguinis sp. nov. and emended
descriptions of the genus Actinobaculum and Actinobaculum suis; and re-examination of the culture deposited as Actinobaculum
massiliense CCUG 47753T (5DSM 19118T), revealing that it does not represent a strain of this species. J Syst Evol Microbiol 65,
615-624. - Lawson P.A., Falsen E., Akervall E., Vandamme P. and Collins M.D., 1997. Characterization of Some Actinomyces-Like Isolates
from Human Clinical Specimens: Reclassification of Actinomyces suis (Soltys and Spratling) as Actinobaculum suis comb. nov.
and Description of Actinobaculum schaalii sp. nov. Int J Syst Bacteriol 47 (3) 899-903.
Description is based on API Coryne, API 20 Strep and API ZYM results.
Positive results for alpha-glucosidase, hippurate hydrolysis, leucine arylamidase, acid production from glucose, maltose, ribose and
D-xylose.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, cystine arylamidase, alpha-chymotrypsin, esculin
hydrolysis, esterase lipase (C8), esterase (C4), alpha-fucosidase, alpha- and beta-galactosidase, beta-glucosidase, beta
-glucuronidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, alpha-mannosidase, nitrate reduction, oxidase, trypsin,
alpha-chymotrypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from D-arabitol, cyclodextrin, glycogen, inulin,
lactose, mannitol, melibiose, melezitose, pullulan, raffinose, sorbitol, D-tagatose, methyl-beta-D-glucopyranoside,
N-acetyl-beta-D-glucopyranoside.
Variable results for pyrrolidonyl arylamidase, pyrazinamidase, acid production from L-arabinose, mannose, sucrose, starch and
trehalose.
Positive results for alpha-glucosidase, hippurate hydrolysis, leucine arylamidase, acid production from glucose, maltose, ribose and
D-xylose.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, cystine arylamidase, alpha-chymotrypsin, esculin
hydrolysis, esterase lipase (C8), esterase (C4), alpha-fucosidase, alpha- and beta-galactosidase, beta-glucosidase, beta
-glucuronidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, alpha-mannosidase, nitrate reduction, oxidase, trypsin,
alpha-chymotrypsin, urease, valine arylamidase, Voges-Proskauer test, acid production from D-arabitol, cyclodextrin, glycogen, inulin,
lactose, mannitol, melibiose, melezitose, pullulan, raffinose, sorbitol, D-tagatose, methyl-beta-D-glucopyranoside,
N-acetyl-beta-D-glucopyranoside.
Variable results for pyrrolidonyl arylamidase, pyrazinamidase, acid production from L-arabinose, mannose, sucrose, starch and
trehalose.
(c) Costin Stoica
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