| Lactobacillus (Limosilactobacillus) oris |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, [Group C lactobacilli
(obligately heterofermentative), Lactobacillus reuteri - phylogenetic group], Lactobacillus oris Farrow and Collins, 1988.
Homotypic synonym: Limosilactobacillus oris (Farrow and Collins 1988) Zheng et al. 2020.
(obligately heterofermentative), Lactobacillus reuteri - phylogenetic group], Lactobacillus oris Farrow and Collins, 1988.
Homotypic synonym: Limosilactobacillus oris (Farrow and Collins 1988) Zheng et al. 2020.
Gram-positive rods, 0.8-1.0 x 2-4 µm, occurring singly, in pairs or in short chains.
Nonmotile.
Nonmotile.
Colonies are small, raised and rough. Grow at 30 and 40 ºC, not at 15, 22 or 48 ºC.
Variable growt at 45 ºC. Can grow in NaCl 4%. Facultatively anaerobic.
Variable growt at 45 ºC. Can grow in NaCl 4%. Facultatively anaerobic.
Isolated from human saliva.
Undetermined.
- 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. - Farrow J.A.E. and Collins M.D., 1988. Lactobacillus oris sp. nov. from the Human Oral Cavity. IJSB Vol. 38, No.1, 116-118.
- Zheng J, Wittouck S, Salvetti E, Franz MAP et al., 2020. A taxonomic note on the genus Lactobacillus: Description of 23 novel genera,
emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae. Int J Syst
Microbiol. 70, 2782-2858.
Heterofermentative.
Positive results for fermentation of: amygdalin, L-arabinose, D-arabitol, D-fructose, galactose, beta-gentiobiose, glucose (acid and
gas production), lactose, maltose, melibiose, raffinose, ribose, sucrose, and D-xylose.
Negative results for arginine hydrolysis, catalase, H2S production, nitrate reduction, fermentation of: adonitol, D-arabinose, L-arabitol,
dulcitol, erythritol, D,L-fucose, glycerol, glycogen, inositol, 2- or 5-ketogluconate, D-lyxose, mannitol, melezitose, rhamnose, sorbitol,
sorbose, starch, tagatose, L-xylose, and xylitol.
Variable results for esculin hydrolysis, hippurate hydrolysis, urease, fermentation of: N-acetylglucosamine, arbutin, cellobiose,
esculin, gluconate, inulin, mannose, salicin, trehalose, and turanose.
Positive results for fermentation of: amygdalin, L-arabinose, D-arabitol, D-fructose, galactose, beta-gentiobiose, glucose (acid and
gas production), lactose, maltose, melibiose, raffinose, ribose, sucrose, and D-xylose.
Negative results for arginine hydrolysis, catalase, H2S production, nitrate reduction, fermentation of: adonitol, D-arabinose, L-arabitol,
dulcitol, erythritol, D,L-fucose, glycerol, glycogen, inositol, 2- or 5-ketogluconate, D-lyxose, mannitol, melezitose, rhamnose, sorbitol,
sorbose, starch, tagatose, L-xylose, and xylitol.
Variable results for esculin hydrolysis, hippurate hydrolysis, urease, fermentation of: N-acetylglucosamine, arbutin, cellobiose,
esculin, gluconate, inulin, mannose, salicin, trehalose, and turanose.
(c) Costin Stoica
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