| Lactobacillus (Lacticaseibacillus) saniviri |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus
saniviri Oki, Kudo and Watanabe 2012.
Homotypic synonym: Lacticaseibacillus saniviri (Oki et al. 2012) Zheng et al. 2020.
Species description is based on a single isolate.
saniviri Oki, Kudo and Watanabe 2012.
Homotypic synonym: Lacticaseibacillus saniviri (Oki et al. 2012) Zheng et al. 2020.
Species description is based on a single isolate.
Gram-positive rods, 1.0 x 1.5-3.0 µm, occurring singly, in pairs or in short chains.
Nonmotile. Asporogenous.
Nonmotile. Asporogenous.
After anaerobic growth at 37 ºC for 72 h, colonies on MRS agar are circular to slightly
irregular, 1.5-2.0 mm in diameter and beige with a smooth surface. After aerobic
growth at 37 ºC for 72 h on blood agar, alpha-haemolysis is observed. Facultatively
anaerobic. Can grow at 10 ºC, but not at 45 ºC. Range of pH 4.0-8.5. Can grow in 5%
NaCl, but not in 8% NaCl.
irregular, 1.5-2.0 mm in diameter and beige with a smooth surface. After aerobic
growth at 37 ºC for 72 h on blood agar, alpha-haemolysis is observed. Facultatively
anaerobic. Can grow at 10 ºC, but not at 45 ºC. Range of pH 4.0-8.5. Can grow in 5%
NaCl, but not in 8% NaCl.
Isolated from faeces of a healthy Japanese adult male in Tokyo, Japan.
Undetermined.
- Oki K., Kudo Y. and Watanabe K., 2012. Lactobacillus saniviri sp. nov. and Lactobacillus senioris sp. nov., isolated from human
faeces. IJSEM 62, 601-607. - 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.
Positive results for aesculin hydrolysis, fermentation of: amygdalin, arbutin, cellobiose, fructose, galactose, glucose (acid production
without gas), gluconate, 2-ketogluconate, N-acetylglucosamine, glycerol, beta-gentiobiose, maltose, mannitol, mannose, melezitose
(weak reaction), melibiose, raffinose, ribose, salicin, sorbitol, starch (weak reaction), sucrose, tagatose & trehalose.
Negative results for arginine hydrolysis (NH3 from arginine), catalase, nitrate reduction, fermentation of: adonitol, D- or L-arabinose,
D- or L-arabitol, dulcitol, erythritol, fucose, 5-ketogluconate, glycogen, inositol, inulin, lactose, D-lyxose, rhamnose, sorbose, turanose,
xylitol, D- or L-xylose.
without gas), gluconate, 2-ketogluconate, N-acetylglucosamine, glycerol, beta-gentiobiose, maltose, mannitol, mannose, melezitose
(weak reaction), melibiose, raffinose, ribose, salicin, sorbitol, starch (weak reaction), sucrose, tagatose & trehalose.
Negative results for arginine hydrolysis (NH3 from arginine), catalase, nitrate reduction, fermentation of: adonitol, D- or L-arabinose,
D- or L-arabitol, dulcitol, erythritol, fucose, 5-ketogluconate, glycogen, inositol, inulin, lactose, D-lyxose, rhamnose, sorbose, turanose,
xylitol, D- or L-xylose.
(c) Costin Stoica
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