Cross Index | Enterococcus |
SuperSet | Prokaryote, Eubacteria Gram Positive Cocci |
Compare | 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 |
Enterococcus |
CELLULAR |
Staining | Gram positive |
Morphology | cocci or short chains, no capsules |
Motility | sometimes motile, few flagella |
Specialized structures | no endospores |
Division |
COLONIAL |
Solid surface |
Liquid |
Growth Parameters | Enterococcus |
PHYSIOLOGICAL |
Tropism | chemnooerganotrophs |
Oxygen | facultative anaerobe |
pH | |
Temperature | 10-45 oC, optimum 37 oC |
Requirements | nutritional requirements are complex |
Products | fermentative metabolism using many carbohydrates to procues lactiv acid but no gas, growth at pH 9.6, growth in 6.5% NaCl and growth in 40% bile, seldom reduce nitrate, usually ferment lactose |
Enzymes | catalase negative, no cytochromes |
Unique features | Lancefield seroligcial Group D |
ENVIRONMENTAL |
Habitat | feces of vertebrates |
Lifestyle | |
Pathogenicity | may cause pyogenic infections |
Distribution | widely distributed in nature |
Genome | Enterococcus |
G+C Mol % | 34-42 |
Reference | Enterococcus |
Several of the Streptococci that were informally known as the enterococci were foramlly transferred to the genus Enterococcus in 1984 | |
First citation | Schleifer and Kilper-Balz 1984 IJSB 34: 31-34 |
The Prokaryotes | |
Bergey's Determinative | p 528 |
References | Collin et al 1984 IJSB 34:220-223 |