| Lactococcus formosensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Lactococcus, Lactococcus
formosensis Chen et al. 2014.
Species description is based on a single isolate.
formosensis Chen et al. 2014.
Species description is based on a single isolate.
Gram-positive round to ovoid cells. Non-motie. Endospores are not formed.
Grows well anaerobically on MRS agar at 37 ºC. Grows at 20-37 ºC, but not at
10 ºC or 45 ºC. Grows in 6% NaCl and not at pH 5.0. Facultatively anaerobic.
10 ºC or 45 ºC. Grows in 6% NaCl and not at pH 5.0. Facultatively anaerobic.
Isolated from "yan-tsai-shin" (fermented broccoli stems), a traditional fermented food in Taiwan.
Undetermined.
- Chen YS, Otoguro M, Lin YH, Pan SF, Ji SH, Yu CR, Liou MS, Chang YC, Wu HC, Yanagida F. Lactococcus formosensis sp. nov., a
lactic acid bacterium isolated from yan-tsai-shin (fermented broccoli stems). Int J Syst Evol Microbiol 2014; 64:146-151.
Utilizes D-glucose homofermentatively and does not produce gas from glucose.
Positive results for acid phosphatase, chymotrypsin, leucine aminopeptidase, acid production from: amygdalin, arbutin, aesculin,
cellobiose, D-fructose, galactose, D-glucose, beta-gentiobiose, gluconate, maltose, D-mannose, mannitol, N-acetylglucosamine,
ribose, salicin and trehalose.
Negative results for alkaline phosphatase, catalase, cystine aminopeptidase, alpha- and beta-galactosidase, alpha- and
beta-glucosidase, beta-glucuronidase, alpha-glucosaminidase, esterase (C4), esterase-lipase (C8), alpha-fucosidase, lipase (C14),
alpha-mannosidase, trypsin, valine aminopeptidase, acid production from: D- and L-arabitol, D-and L-arabinose, adonitol, dulcitol,
erythritol, D- and L-fucose, glycerol, glycogen, methyl alpha-D-glucoside, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose,
melibiose, melezitose, methyl alpha-D-mannoside, D-raffinose, rhamnose, sorbitol, sucrose, starch, L-sorbose, D-turanose,
D-tagatose, methyl beta-xyloside, xylitol, D- and L-xylose.
Positive results for acid phosphatase, chymotrypsin, leucine aminopeptidase, acid production from: amygdalin, arbutin, aesculin,
cellobiose, D-fructose, galactose, D-glucose, beta-gentiobiose, gluconate, maltose, D-mannose, mannitol, N-acetylglucosamine,
ribose, salicin and trehalose.
Negative results for alkaline phosphatase, catalase, cystine aminopeptidase, alpha- and beta-galactosidase, alpha- and
beta-glucosidase, beta-glucuronidase, alpha-glucosaminidase, esterase (C4), esterase-lipase (C8), alpha-fucosidase, lipase (C14),
alpha-mannosidase, trypsin, valine aminopeptidase, acid production from: D- and L-arabitol, D-and L-arabinose, adonitol, dulcitol,
erythritol, D- and L-fucose, glycerol, glycogen, methyl alpha-D-glucoside, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose,
melibiose, melezitose, methyl alpha-D-mannoside, D-raffinose, rhamnose, sorbitol, sucrose, starch, L-sorbose, D-turanose,
D-tagatose, methyl beta-xyloside, xylitol, D- and L-xylose.
(c) Costin Stoica
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