Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus gilvus Tyrrell
et al. 2002. Lancefield group D.
Description is based on a single strain isolation.
Gram-positive, spherical cells, grouped in short chains. Nonmotile.
Produces a pale yellow color. It grows at 10 and 35 ºC and has delayed growth at 45
ºC. It grows in 2.0%, 4.0%, and 6.5% NaCl. Tetrazolium reduction is positive.
Black colonies are not produced when grown on tellurite-containing media.
Isolated from the bile of a patient with cholecystitis.
- 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.
- Gregory J. Tyrrell, LeeAnn Turnbull, Lúcia M. Teixeira, Johanne Lefebvre, Maria da Glória S. Carvalho, Richard R. Facklam, and
Marguerite Lovgren. Enterococcus gilvus sp. nov. and Enterococcus pallens sp. nov. Isolated from Human Clinical Specimens. J.
Clin. Microbiol. April 2002 40:4 1140-1145.
Positive results for alkaline phosphatase, esculin hydrolysis in the presence of 40%
bile, pyrrolidonyl arylamidase, leucine arylamidase, acid production from glycerol,
lactose, mannitol, melibiose, raffinose, ribose, salicin, sorbitol, sorbose, sucrose &
Negative results for catalase, arginine dihydrolase, hippurate hydrolysis, acid production from L-arabinose, inulin,
methyl-alpha-D-glucopyranoside & xylose.
(c) Costin Stoica