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Bile esculin positive
6.5% NaCl positive
Strep D Enterococci
**Only cocci gram positive to be Bile esculin positive.
pairs or tetrads
(Only difference between this and Sporosarcina ueae is Nitrate test) Sporosarcina is Nitrate positive.
(Only difference between this and Sarcina bicolor is Nitrate test) Sarcina is Nitrate negative.
Mannitol Salt Positive
6.5 NaCl positive
Main diff between Staph aureus and Staph epidermis main is coagulase and manitol salt.
Diff between Staph aureus and Strep bovis is Catalase and 6.5 NaCl. bovis is negative for both.
grape like cluster
Mannitol Salt Negative
Main diff between Staph aureus and Staph epidermis is coagulase and manitol salt. They are positive for both.
pairs or chains
6.5% NaCl negative
alpha, gama hemolysis
Diff between Staph aureus and Strep bovis is Catalase and 6.5 NaCl.
Diff between Strep bovis and Strep pyogenes is hemolysis. pyogenes is beta.
pairs or chains
Diff between Strep bovis and Strep pyogenes is hemolysis. bovis is alpha, gama.
Diff between pyogenes and Staph aureus/epidermis is Catalase. They are Catalase positive.
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