Taxonomy
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Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus pallens  Tyrrell
et al. 2002. Lancefield group D.
Gram-positive cocci, nonspore-forming, grouped in short chains. Nonmotile.
Colonies are circular, smooth, and bright yellow. Facultatively anaerobic. Grows at 10,
35 and 45 ºC. Grows in 2, 4, and 6.5% NaCl.
Isolated from human clinical material.
Unknown.
  1. Pavel Svec and Luc A. Devriese, 2009: Genus I. Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Killper-Balz 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.
  2. Gregory J. Tyrrell, LeeAnn Turnbull, Lucia M. Teixeira, Johanne Lefebvre, Maria da Gloria 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 esculin hydrolysis in the presence of 40% bile, hippurate hydrolysis,
leucine arylamidase, acid production from: glycerol, lactose, mannitol, melibiose,
raffinose, ribose, salicin, sorbitol, sorbose, sucrose & trehalose.

Negative results for catalase, arginine hydrolysis, pyrolidonylarylamidase, pyruvate
utilization, acid production from:  arabinose, inulin, methyl-alpha-D-glucopyranoside,
starch, xylitol & xylose.
Enterococcus pallens
(c) Costin Stoica
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