| Lactococcus kimchii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Lactococcus, Lactococcus
kimchii Pheng et al. 2020.
Species description is based on a single isolate.
kimchii Pheng et al. 2020.
Species description is based on a single isolate.
Gram-positive cocci. Non-motile.
Grow well anaerobically on MRS and TSA agar at 30 ºC. Growth occurs at 15-37 ºC
but not at 10 or 45 ºC. Can grow at pH 5-7 and in 0-3% NaCl. Grows optimally at
25-30 ºC, pH 6-7 and 0-1% NaCl. Facultatively anaerobic.
but not at 10 or 45 ºC. Can grow at pH 5-7 and in 0-3% NaCl. Grows optimally at
25-30 ºC, pH 6-7 and 0-1% NaCl. Facultatively anaerobic.
Isolated from kimchi (a traditional food) in Korea.
Undetermined.
- Pheng S, Han HL, Park DS, Chung CH, Kim SG. Lactococcus kimchii sp. nov., a new lactic acid bacterium isolated from kimchi. Int
J Syst Evol Microbiol 2020; 70:505-510.
Utilizes D-glucose homofermentatively producing mainly L-lactic acid, without gas.
Positive results for acid phosphatase, cystine arylamidase, esterase (C4), esterase lipase (C8), lipase (weak), alpha-glucosidase,
leucine arylamidase, naphthol-AS-BI- phosphohydrolase, valine arylamidase, acid production from: amygdalin, L-arabinose, arbutin,
cellobiose, D-fructose, D-galactose, D-glucose, gentiobiose, lactose, D-mannose, D- mannitol, maltose, melibiose, salicin, starch,
trehalose and D-xylose
Negative results for alkaline phosphatase, alpha-chymotrypsin, catalase, N- acetyl beta-glucosaminidase, alpha-fucosidase,
alpha-galactosidase, alpha-mannosidase, beta-glucosidase, beta-glucuronidase, trypsin, acid production from: D-adonitol,
D-arabinose, D- and L-arabitol, dulcitol, erythritol, L- and D-fucose, gluconate, glycerol, glycogen, inositol, inulin, D-lyxose, melezitose,
L-rhamnose, L-sorbose, D-sorbitol, sucrose, D-tagatose, turanose, L-xylose, and xylitol.
Positive results for acid phosphatase, cystine arylamidase, esterase (C4), esterase lipase (C8), lipase (weak), alpha-glucosidase,
leucine arylamidase, naphthol-AS-BI- phosphohydrolase, valine arylamidase, acid production from: amygdalin, L-arabinose, arbutin,
cellobiose, D-fructose, D-galactose, D-glucose, gentiobiose, lactose, D-mannose, D- mannitol, maltose, melibiose, salicin, starch,
trehalose and D-xylose
Negative results for alkaline phosphatase, alpha-chymotrypsin, catalase, N- acetyl beta-glucosaminidase, alpha-fucosidase,
alpha-galactosidase, alpha-mannosidase, beta-glucosidase, beta-glucuronidase, trypsin, acid production from: D-adonitol,
D-arabinose, D- and L-arabitol, dulcitol, erythritol, L- and D-fucose, gluconate, glycerol, glycogen, inositol, inulin, D-lyxose, melezitose,
L-rhamnose, L-sorbose, D-sorbitol, sucrose, D-tagatose, turanose, L-xylose, and xylitol.
(c) Costin Stoica
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