∞ generated and posted on 2015.12.30 ∞
Gram-positive, aerotolerant anaerobic cocci not able to form clear zones when grown on blood agar (specific epithet of important member = pneumoniae); important cause of pneumonia.
|Of medically relevant streptococci, the most important of the Non-Beta Hemolytic Streptococci are the alpha-hemolytic streptococci, notably Streptococcus pneumoniae but also "Streptococcus viridans", contrasted of course with beta hemolytic streptococci.|
See Alpha hemolysis (α hemolysis) but also Beta hemolysis (β hemolysis). See Streptococcus, Streptococcus pneumoniae (a.k.a., pneumococcus), and also "Streptococcus viridans". Contrast with Beta hemolytic streptococci.