| Lactococcus chungangensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Lactococcus, Lactococcus
chungangensis Cho et al. 2008.
Description is based on a single isolate.
chungangensis Cho et al. 2008.
Description is based on a single isolate.
Gram-positive round to ovoid cells, grouped mostly in pairs or short chains. Non-motie.
Endospores are not formed.
Endospores are not formed.
Colonies on GYEA plates are pinpoint, white and opaque, with a diameter of less than
0.3 mm. Facultatively anaerobic. Optimum growth at 30 ºC. Weak growth at 37 ºC. Can
grow at 4 ºC, but not at 40 ºC. Does not grow in 4% NaCl medium.
0.3 mm. Facultatively anaerobic. Optimum growth at 30 ºC. Weak growth at 37 ºC. Can
grow at 4 ºC, but not at 40 ºC. Does not grow in 4% NaCl medium.
Isolated from a foam sample taken from an activated sludge wastewater treatment plant in Cheonan, Republic of Korea.
Undetermined.
- Sung-Lim Cho, Sun-Woo Nam, Jung-Hoon Yoon, Jung-Sook Lee, Ampaitip Sukhoom, and Wonyong Kim. Lactococcus
chungangensis sp. nov., a lactic acid bacterium isolated from activated sludge foam. Int J Syst Evol Microbiol August 2008 58:
1844-1849. - 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. - Sakala RM, Hayashidani H, Kato Y, Kaneuchi C, Ogawa M. Isolation and characterization of Lactococcus piscium strains from
vacuum-packaged refrigerated beef. J Appl Microbiol. 2002;92(1):173-9. - Hilgarth M, Werum V, Vogel RF. Lactococcus carnosus sp. nov. and Lactococcus paracarnosus sp. nov., two novel species
isolated from modified-atmosphere packaged beef steaks. Int J Syst Evol Microbiol 2020; 70:5832-5840.
Tested in API CHL and API Strep (BioMerieux):
Positive results for esculin hydrolysis, hippurate hydrolysis, leucine aminopeptidase, Voges–Proskauer test, acid production from:
N-acetylglucosamine, amygdalin, arbutin, cellobiose (weak), D-fructose, D-glucose, gentiobiose, D-mannose, mannitol, maltose,
salicin, sucrose, trehalose (weak) and turanose (weak).
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-galactosidase, beta-glucuronidase, beta-
galactosidase, oxidase, pyrrolidonyl arylamidase, acid production from: L-arabinose, galactose, glycogen, inulin, lactose, melibiose,
melezitose, methyl alpha-D-glucoside, methyl alpha-D-mannoside, raffinose, ribose, sorbitol and D-xylose.
Variable results for starch acidification.
Positive results for esculin hydrolysis, hippurate hydrolysis, leucine aminopeptidase, Voges–Proskauer test, acid production from:
N-acetylglucosamine, amygdalin, arbutin, cellobiose (weak), D-fructose, D-glucose, gentiobiose, D-mannose, mannitol, maltose,
salicin, sucrose, trehalose (weak) and turanose (weak).
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-galactosidase, beta-glucuronidase, beta-
galactosidase, oxidase, pyrrolidonyl arylamidase, acid production from: L-arabinose, galactose, glycogen, inulin, lactose, melibiose,
melezitose, methyl alpha-D-glucoside, methyl alpha-D-mannoside, raffinose, ribose, sorbitol and D-xylose.
Variable results for starch acidification.
(c) Costin Stoica
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