Gram Positive flow chart

1, 2, 3, 4, 5, 6, 7, 8

Catalase

+

-

1

2

3

4

5

7

8

6

Staphylococcus aureus = 1

Staphylococcus epidermidis = 2

Mircococcus roseus = 3

Mircococcus luteus = 4

Streptococcus sanginis = 5

Streptococcus pneumoniae = 6

Streptococcus pyogenes = 7

Group C Streptococcus = 8

Enterococcus faecalis = 9

9

Bile Esculin

+

-

9

1

2

3

4

Hemolysis

alpha\ gamma

beta

-

Resitant

+

Resistant

Positive Group A

anitbodies

Positive Group C

antibodies

Coagulase

-

+

1

4

2

3

Salt Tolerance

+

-

2

3

4

Nitrate reduction

+

-

4

3