| Lactobacillus (Levilactobacillus) cerevisiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus
cerevisiae Koob, Jacob, Wenning and Hutzler, 2017.
Homotypic synonym: Levilactobacillus cerevisiae (Koob et al. 2017) Zheng et al. 2020.
cerevisiae Koob, Jacob, Wenning and Hutzler, 2017.
Homotypic synonym: Levilactobacillus cerevisiae (Koob et al. 2017) Zheng et al. 2020.
Gram-positive short or long and slender rods, occurring singly, in pairs or in short
chains. Non-motile. Non-spore-forming.
chains. Non-motile. Non-spore-forming.
Colonies are beige and circular, with either smooth or fringed edges after 48 h of
incubation on MRS agar. Growth temperature is 4-37 ºC; no growth at 40 ºC. Can
grow at pH 4.0-7.8. No growth in 4% NaCl. Facultative anaerobe.
incubation on MRS agar. Growth temperature is 4-37 ºC; no growth at 40 ºC. Can
grow at pH 4.0-7.8. No growth in 4% NaCl. Facultative anaerobe.
Isolated from a spoiled beer tank sample from a German brewery.
Undetermined.
- Koob J, Jacob F, Wenning M and Hutzler M, 2017. Lactobacillus cerevisiae sp. nov., isolated from a spoiled brewery sample. Int J
Syst Evol Microbiol 67, 3452-3457. - 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.
Obligate homofermentative.
Description is based mainly on API 50 CHL results.
Positive results for fermentation of L-arabinose (weak reaction), D-fructose, galactose, glucose (with gas production), gluconate (with
gas production), maltose, mannitol (weak reaction), melibiose (weak reaction), methyl alpha-D-glucopyranoside (weak reaction),
ribose (weak reaction), D-xylose, and N-acetylglucosamine.
Negative results for arginine deamination, catalase, oxidase, fermentation of adonitol, amygdalin, arbutin, D-arabinose, D- and
L-arabitol, cellobiose, dulcitol, erythritol, esculin, L- and D-fucose, gentiobiose, 2- and 5-ketogluconate, glycerol, glycogen, inositol,
inulin, lactose, D-lyxose, mannose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-xyloside, raffinose, rhamnose,
salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, L-xylose, and methyl beta-D-xylopyranoside.
Description is based mainly on API 50 CHL results.
Positive results for fermentation of L-arabinose (weak reaction), D-fructose, galactose, glucose (with gas production), gluconate (with
gas production), maltose, mannitol (weak reaction), melibiose (weak reaction), methyl alpha-D-glucopyranoside (weak reaction),
ribose (weak reaction), D-xylose, and N-acetylglucosamine.
Negative results for arginine deamination, catalase, oxidase, fermentation of adonitol, amygdalin, arbutin, D-arabinose, D- and
L-arabitol, cellobiose, dulcitol, erythritol, esculin, L- and D-fucose, gentiobiose, 2- and 5-ketogluconate, glycerol, glycogen, inositol,
inulin, lactose, D-lyxose, mannose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-xyloside, raffinose, rhamnose,
salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, xylitol, L-xylose, and methyl beta-D-xylopyranoside.
(c) Costin Stoica
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