Lactobacillus amylotrophicus
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 delbrueckii phylogenetic-group], Lactobacillus amylotrophicus  Naser, Vancanneyt, Snauwaert,
Vrancken, Hoste, Vuyst and Swings, 2006.

Historical synonym:
Lactobacillus amylophilus Nakamura and Crowell 1981, strains LMG 11400 and NRRL B-4435.
Gram-positive rods (0.9 x 1.2-2.0 μm) occurring singly, in pairs and in short chains
Nonmotile. Non-spore-forming.
Growth factor requirements: riboflavin, pyridoxal, pantothenic acid, niacin, and folic
acid are essential. After 24 h, colonies are white, smooth, circular and approximately
1 mm in diameter. Can grow at 15 ºC; not at 45 ºC. Facultatively anaerobic.
Isolated from swine waste-corn fermentation.
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. Naser S.M., Vancanneyt M., Snauwaert C., Vrancken G., Hoste B., Vuyst L. and Swings J., 2006. Reclassification of Lactobacillus
    amylophilus LMG 11400 and NRRL B-4435 as Lactobacillus amylotrophicus sp. nov. IJSEM 56, 2523-2527.
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: esculin, fructose, galactose, glucose (without gas
production), glycogen, maltose, mannose
, and starch

Negative results for catalase, oxidase, fermentation of: arabinose, erythritol, inositol, lactose, mannitol, melezitose, melibiose,
raffinose, rhamnose, ribose, sorbitol, sucrose, trehalose
, and xylose.

Variable and weak results for fermentation of: amygdalin, cellobiose
, and salicin.
(c) Costin Stoica
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