| Lactobacillus (Furfurilactobacillus) siliginis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, [Group C
lactobacilli (obligately heterofermentative)], Lactobacillus siliginis Aslam, Im, Ten, Lee, Kim and Lee, 2006.
Homotypic synonym: Furfurilactobacillus siliginis (Aslam et al. 2006) Zheng et al. 2020.
lactobacilli (obligately heterofermentative)], Lactobacillus siliginis Aslam, Im, Ten, Lee, Kim and Lee, 2006.
Homotypic synonym: Furfurilactobacillus siliginis (Aslam et al. 2006) Zheng et al. 2020.
Gram-positive, short rods, 0.3-0.5 x 1.0-1.6 µm, occuring singly, in pairs, in filament-
like and even in cluster forms. Cells are heat sensitive. Nonspore-forming. Nonmotile.
like and even in cluster forms. Cells are heat sensitive. Nonspore-forming. Nonmotile.
After 3 days incubation at 30 ºC on MRS agar, colonies are 0.8-1.5 mm in diameter,
white, smooth, and circular.
Facultatively anaerobic. Can grow at 20 and 37 ºC. No growth at 15 and 45 ºC. Can
grow in 0 to 5% NaCl medium, not in 10% NaCl medium. Range of pH 5.0-8.0,
optimum pH 5.5.
white, smooth, and circular.
Facultatively anaerobic. Can grow at 20 and 37 ºC. No growth at 15 and 45 ºC. Can
grow in 0 to 5% NaCl medium, not in 10% NaCl medium. Range of pH 5.0-8.0,
optimum pH 5.5.
Isolated from wheat sourdough in South Korea.
Sensitive to ampicillin and resistant to tetracycline, streptomycin, kanamycin and rifampicin.
Sensitive to ampicillin and resistant to tetracycline, streptomycin, kanamycin and rifampicin.
Undetermined.
- Aslam Z., Im W.T., Ten L.N., Lee M.J., Kim K.H. and Lee S.T., 2006. Lactobacillus siliginis sp. nov., isolated from wheat sourdough
in South Korea. IJSEM 56, 2209-2213. - 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.
Obligately heterofermentative.
Positive results for oxidase, arginine hydrolysis (NH3 from arginine), fermentation of: galactose (weak), glucose (acid and CO2),
gluconate, maltose, mannose (weak), ribose and N-acetylglucosamine.
Negative results for catalase, fermentation of: L-arabinose, D-fructose, lyxose, melibiose and D-xylose.
Positive results for oxidase, arginine hydrolysis (NH3 from arginine), fermentation of: galactose (weak), glucose (acid and CO2),
gluconate, maltose, mannose (weak), ribose and N-acetylglucosamine.
Negative results for catalase, fermentation of: L-arabinose, D-fructose, lyxose, melibiose and D-xylose.
(c) Costin Stoica
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