| Streptococcus macacae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Streptococcus, Streptococcus
macacae Beighton et al. 1984. Member of the "Mutans group".
No reaction with Lancefield antisera.
macacae Beighton et al. 1984. Member of the "Mutans group".
No reaction with Lancefield antisera.
Gram-positive cocci, grouped in chains. Alpha-hemolytic.
Transparent and 1 to 2 mm in diameter colonies, after 3 days of incubation. A white, 1
mm in diameter, erose, crumbly, type of colony may occur.
Growth at 37.0 ºC, no growth at 45 ºC. Grow poorly in air, but growth is stimulated
by the presence of CO2. Grow on : Trypticase soy agar, Sheep blood agar,
Brain-hearth infusion agar / broth; grow with 40% bile and 0.25% optocin. No growth
at pH 9.6 or in 6.5% NaCl media.
mm in diameter, erose, crumbly, type of colony may occur.
Growth at 37.0 ºC, no growth at 45 ºC. Grow poorly in air, but growth is stimulated
by the presence of CO2. Grow on : Trypticase soy agar, Sheep blood agar,
Brain-hearth infusion agar / broth; grow with 40% bile and 0.25% optocin. No growth
at pH 9.6 or in 6.5% NaCl media.
Isolated from the dental plaque of monkeys (Macaca fascicularis) & humans. Susceptible to bacitracin (20 μg/ml).
Unknown (isolated primarily from dental plaque samples). A possible cause of endocarditis.
- Holt J.G., Krieg N.R., Sneath P.H.A., Staley J.T. and Williams S.T., 1994. Bergey's Manual of Determinative Bacteriology, Ninth
Edition, Williams & Wilkins, A Waverly Company, Baltimore, pp 527-558. - Beighton D., Hayday H., Russell R.R.B. & Whiley R.A.: Streptococcus macacae sp. nov., from dental plaque of monkeys (Macaca
fascicularis). Int. J. Syst. Bacteriol., 1984, 34, 332-335. - Sato Y., Okamoto-Shibayama K., Kagami A. & Yamamoto Y.: Does Streptococcus macacae Reside in Human Mouths? Bull
Tokyo Dent Coll, VOL.47;NO.2;PAGE.86-88(2006). - Kazuko Takada, Kazuhiko Hayashi, Yutaka Sato, and Masatomo Hirasawa. Streptococcus dentapri sp. nov., isolated from the wild
boar oral cavity. Int J Syst Evol Microbiol April 2010 60:820-823. - 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 esculin hydrolysis, starch hydrolysis, Voges-Proskauer reaction, acid production from: N-acetyl glucosamine,
amygdalin, cellobiose, fructose, glucose, galactose, maltose, mannitol, sucrose, trehalose and raffinose.
Negative results for arginine hydrolysis, H2O2 production, urease, acid production from: adonitol, arabinose, dextrin, glycerol, glycogen,
inositol, inulin, melezitose, melibiose, ribose, starch, sorbose, xylitol and xylose.
Sorbitol is fermented slowly, starch and blue dextran are weakly hydrolyzed.
amygdalin, cellobiose, fructose, glucose, galactose, maltose, mannitol, sucrose, trehalose and raffinose.
Negative results for arginine hydrolysis, H2O2 production, urease, acid production from: adonitol, arabinose, dextrin, glycerol, glycogen,
inositol, inulin, melezitose, melibiose, ribose, starch, sorbose, xylitol and xylose.
Sorbitol is fermented slowly, starch and blue dextran are weakly hydrolyzed.
(c) Costin Stoica
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