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