Isolated from a human female urine with pyuria.
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Actinotignum, Actinotignum urinale (Hall et al. 2003) Yassin, Sproer, Pukall, Sylvester, Siering and
Historical synonyms : Actinobaculum urinale Hall, Collins, Hutson, Falsen, Inganas and Duerden 2003
Gram-positive straight to slightly curved rods. Non-motile. Non-spore-forming. Not
Colonies are smooth, convex, grey or white, less than1 mm in diameter after 48 h
anaerobic incubation on fastidious anaerobe agar (LAB M) with 5% horse blood.
Weak beta-haemolysis. CAMP reaction is negative. Facultative anaerobic. Optimum
growth temperature is 37 ºC.
Isolated from human urine. Habitat is not known.
- 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,
- Hall V, Collins MD, Hutson RA, Falsen E, Inganas E and Duerden BI, 2003. Actinobaculum urinale sp. nov., from human urine. Int
J Syst Evol Microbiol 53, 679-682.
Description is based on API Coryne, API Rapid ID 32A and API ZYM results.
Positive results for beta-glucuronidase, hippurate hydrolysis, urease, acid production from glucose and ribose.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, cystine arylamidase, esculin hydrolysis, esterase
lipase (C8), esterase (C4), alpha-fucosidase, gelatin hydrolysis, alpha- and beta-galactosidase, N-acetyl-beta-glucosaminidase,
alpha- and beta-glucosidase, leucine arylamidase, lipase (C14), alpha-mannosidase, nitrate reduction, oxidase, pyrazinamidase,
pyrrolidonyl arylamidase, trypsin, alpha-chymotrypsin, valine arylamidase, Voges-Proskauer test, acid production from L-arabinose,
D-arabitol, cyclodextrin, glycogen, inulin, lactose, mannitol, melibiose, melezitose, pullulan, methyl-beta-D-glucopyranoside, raffinose,
sorbitol, starch, D-tagatose, trehalose & D-xylose.
Variable results for maltose and sucrose fermentation.
(c) Costin Stoica