Staphylococcus aureus

– gram positive cocci
– nonmotile
– Catalase: positive
– Oxidase: negative
– facultative anaerobic
– grape-like clusters under microscope
– production of coagulase
– large, round, golden-yellow colonies, often with hemolysis, when grown on blood agar plates.
– sodium chloride tolerance(7.5%)
– mannitol fermentation