Lactococcus plantarum
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Lactococcus, Lactococcus plantarum
(Collins et al. 1984) Schleifer et al. 1986.
Lancefield group N.
Basonym:
Streptococcus plantarum Collins et al. 1984.
Gram-positive short rods to ovoid cells, grouped mostly in pairs or short chains.
Nonmotile. Endospores are not formed.
Colonies on blood agar or nutrient agar are nonpigmented, circular, smooth, and
entire. No beta-hemolysis. Grows at 10 ºC, not at 45 ºC. Facultatively anaerobic.
Grows in 4% NaCl medium. Does not grow in 0.1% methylene blue milk.
Isolated from plants.
Undetermined.
  1. Michael Teuber, 2009. Genus II. Lactococcus Schleifer, Kraus, Dvorak, Kilpper-Balz, Collins and Fischer 1986, 354 VP. 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, 711-722.
Positive results for esculin hydrolysis, leucine arylamidase, acid production from: amygdalin, arbutin, cellobiose, dextrin, fructose,
glucose, maltose, D-mannose, mannitol, melezitose, N-acetylglucosamine, salicin, sorbitol, sucrose, and trehalose.

Negative results for alkaline phosphatase, arginine dehydrolase, beta-galactosidase, gelatin hydrolysis, beta-glucuronidase,
hippurate hydrolysis, pyrrolidonyl arylamidase, starch hydrolysis, acid production from: adonitol, D- or L-arabinose, arabitol, 2- or
5-ketogluconate, dulcitol, erythritol, D- or L-fucose, galactose, gluconate, glycogen, glycerol, inositol, inulin, lactose, melibiose,
alpha-methyl-D-glucoside, alpha-methyl-D-mannoside, beta-methylxyloside, raffinose, ribose, rhamnose, L-sorbose, D-tagatose, D-
or L-xylose, and xylitol.

Variable results for alpha-galactosidase, acid production from beta-gentiobiose, and turanose.
(c) Costin Stoica
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