| Cross Index | Lactococcus |
| SuperSet | Prokaryote, Eubacteria Gram Positive Cocci |
| Compare | COMPARE
WITH Streptococcus and Lactobacillus aerobes: Deinobacter grandis Deinococcus, Marinococcus, Micrococcus, Planococcus , Salinicoccus roseus facultative anaerobes: Aerococcus viridans, Enterococcus, Gemella haemolysans, Lactococcus Leuconostoc, Melissococcus pluton, Pediococcus, Saccharococcus thermophilus, Staphylococcus, Stomatococcus mucilaginsos, Streptococcus, Trichococcus flocculiformis, Vagococcus anaerobes Coprococcus, Peptococcus niger , Peptostreptococcus, Ruminococcus, Sarcina Catalase positive:Deinococcus, Micrococcus, Planococcus, Staphylococcus,, Stomatococcus mucilaginsosus |
| Contrast | Archaea |
| Subset |
| Lactococcus |
| CELLULAR |
| Staining | Gram positive |
| Morphology | cocci in pairs or short chains, no capsule |
| Motility | non motile |
| Specialized structures | no endospores |
| Division |
| COLONIAL |
| Solid surface |
| Liquid |
| Growth Parameters | Lactococcus |
| PHYSIOLOGICAL |
| Tropism | chemoorganotrophic with a fermetative metabolism |
| Oxygen | facultative anaerobes |
| pH | |
| Temperature | optimum 30 oC, will grow at 10 oC but not at 45oC |
| Requirements | nutritonal requirements are complex |
| Products | carbohydrates fermentated to lactiv acid with no gas production |
| Enzymes | catalase negative , oxidase negative |
| Unique features | does not grow in 0.5% NaCl. Lancefield serological group N |
| ENVIRONMENTAL |
| Habitat | dairy and plant products |
| Lifestyle | |
| Pathogenicity |
| Distribution |
| Genome | Lactococcus |
| G+C Mol % | 38-40 |
| Reference | Lactococcus |
| Several of the Streptococci notably Streptococcus lactis and Streptococcus raffinolactis as well as Lactobacillus hordniae and Lactobacillus xylosus were transferred into this genus | |
| First citation | Schleifer et al 1985.
Syst. Appl. Microbiol 6: 183-195 Schleifer et al 1986 IJSB 36: 354-356 |
| The Prokaryotes | |
| Bergey's Determinative | p 528 |
| References | |