Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Streptococcus, Streptococcus urinalis
Collins et al. 2000.
Non-groupable with Lancefield antisera (A, B, C, D, E, F or G).
Gram-positive, ovoid shaped cells, grouped in short chains. Nonmotile. Spores are
Colonies are nonpigmented and nonhemolytic on blood agar. Grow at 37 and 45 ºC,
not at 10 ºC. Facultatively anaerobic. Bile-esculin-positive, can grow in broth
containing 6.5% NaCl. Other media: Trypticase Soy Agar with 5% sheep blood, Brain
Heart Infusion agar or broth. Extracellular polysaccharide is not produced.
Isolated from human urine. Sensitive to vancomycin, and resistant to bacitracin.
Unknown. Strains have been isolated from the urine of patients suffering from cystitis.
- Collins M.D., Hutson R.A., Falsen E., Nikolaitchouk N., Laclaire L. & Facklam R.R.: An unusual Streptococcus from human urine,
Streptococcus urinalis sp. nov. Int. J. Syst. Evol. Microbiol., 2000, 50, 1173-1178.
- Robert A. Whiley and Jeremy M. Hardie, 2009. Genus I. Streptococcus Rosenbach 1884, 22AL. In: (Eds.) P.D. Vos, G. Garrity, D.
Jones, N.R. Krieg, W. Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The
Firmicutes, Springer, 655-711.
Positive results for acid phosphatase, alkaline phosphatase, arginine dihydrolase, alpha-glucosidase, beta-glucosidase,
pyroglutamic acid arylamidase & leucine arylamidase, Voges-Proskauer reaction, acid production from: glucose, lactose, ribose,
sucrose, maltose and trehalose.
Negative results for arginine hydrolysis, alanine-phenylalanine-proline arylamidase, catalase, chymotrypsin, esterase C4, ester
lipase C8, alpha-fucosidase, alpha-galactosidase, beta-galactosidase, beta-galacturonidase, beta-glucuronidase, glycyl-tryptophan
arylamidase, hippurate hydrolysis, lipase C14, alpha-mannosidase, beta-mannosidase, oxidase, starch hydrolysis, trypsin, urea
hydrolysis, valine arylamidase, acid production from: L-arabinose, D-arabitol, cyclodextrin, glycogen, glycerol, inulin, mannitol,
melibiose, melezitose, methyl beta-D-glucopyranoside, N-acetylglucosamine, pullulan, raffinose, sorbitol, sorbose and tagatose.
(c) Costin Stoica