Staphylococcus in Gram Stain Staphylococcus and Micrococcus both are Gram-positive cocci (GPC). Both of these cocci are non-motile, non-sporing, and catalase-positive. Both of these...
Tag: Gram Positive Cocci
Streptococcus Pyogenes (GAS): Characteristics, Diseases, Tests
Popularly known as "flesh-eating bacteria", Streptococcus pyogenes is one of the pathogenic gram-positive cocci. Streptococcus pyogenes, or Group A streptococcus (GAS) is mostly known for...
Streptococcus spp (S. pyogenes and S. pneumoniae) Staphylococcus and Streptococcus are the two most common pathogenic gram-positive cocci of medical importance. They share some important...
Hippurate hydrolysis test-Left (positive tube), Right (Negative tube) Hippurate hydrolysis occurs in an organism that can form glycine and benzoic acid. In the classical test (48 hours), the...
Streptococci are Gram-positive cocci either diplococci (lanceolate shaped; S. pneumoniae) or in chains. They are catalase-negative (an important test to differentiate streptococci from...
Bile-esculin test is widely used to differentiate Enterococci and non-enterococcus group D streptococci, which are bile tolerant and can hydrolyze esculin to esculetin, from non-group D viridans...
