Lactobacillus saerimneri
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, [Group A lactobacilli
(obligately homofermentative),
Lactobacillus salivarius phylogenetic-group], Lactobacillus saerimneri Pedersen and Roos 2004.
Gram-positive rods (1.0 x 1.5–4 μm) occurring singly or in pairs. Nonmotile.
After anaerobic growth at 37 ºC for 48 hours, colonies on MRS agar are 2-3 mm in
diameter; they are white with an opaque border, smooth, and convex. Growth on MRS
agar also occurs under aerobic conditions, but at a considerably lower rate. Can grow
at 15 ºC (weak) and 45 ºC.
Isolated from pig feces.
Undetermined.
  1. Hammes W.P. and Hertel C., 2009. Genus I. Lactobacillus  Beijerinck 1901. 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, 465-511.
  2. Pedersen C. and Roos S., 2004. Lactobacillus saerimneri sp. nov., isolated from pig faeces. IJSEM 54, 1365-1368.
Obligately homofermentative (hexoses are fermented almost exclusively to lactic acid
by the Embden-Meyerhof pathway; pentoses or gluconate are not fermented).

Positive results for fermentation of: N-acetylglucosamine (delayed reaction), D-fructose, D-glucose (acid without gas production),  
D-mannose, sucrose, trehalose, and D-turanose.

Negative results for aesculin hydrolysis, catalase, fermentation of: adonitol, amygdalin, D- or L-arabinose, D- or L-arabitol, arbutin,
cellobiose, dulcitol, erythritol, D- or L-fucose, galactose, gluconate, 2 and 5-ketogluconate, beta-gentiobiose, glycerol, glycogen,
inositol, inulin, lactose, lyxose, maltose, mannitol, melezitose, melibiose, raffinose, rhamnose, ribose, salicin, sorbitol, sorbose,
starch, tagatose, xylitol, D- or L-xylose.
(c) Costin Stoica
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