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Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus raffinosus  
Collins et al. 1989.
Colonies are small, nonpigmented. Grows at 10 (variable) and 45 ºC and in  6.5%
NaCl.
Isolated from human clinical material, rarely from animal sources or from environmental samples.
Unknown.
  1. Pavel Svec and  Luc A. Devriese, 2009: Genus I. Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Bälz 1984,
    32VP in Bergey’s Manual of Systematic Bacteriology, Second Edition, Volume Three, Vos, P.D.; Garrity, G.; Jones, D.; Krieg, N.R.;
    Ludwig, W.; Rainey, F.A.; Schleifer, K.-H.; Whitman, W.B. (Eds.), pp 594-606.
Positive results for pyruvate utilization, pyrrolidonyl arylamidase, esculin hydrolysis,
Voges-Proskauer test, acid production from: L-arabinose, L- or D-arabitol, melezitose,
ribose, sorbose, N-acetylglucosamine, glycerol, inositol, lactose, mannitol, mannose,
melibiose, D-raffinose, rhamnose, sorbitol & trehalose.

Negative results for beta-galactosidase, alkaline phosphatase, arginine dehydrolase,
starch hydrolysis,  alpha-galactosidase, beta-glucuronidase, hippurate hydrolysis,
acid production from: inulin, dulcitol & glycogen.

Variable results for acidification of adonitol, alpha-methyl-D-glucoside, starch, sucrose & D-tagatose.
Enterococcus raffinosus
(c) Costin Stoica
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Gram-positive, nonmotile cocci.