TABLE 2.
Enzymatic activities of parent strain S. epidermidis O-47, the hemB mutant, and the plasmid-complemented mutant tested by API ZYM strips
| Phenotypea |
S. epidermidis O-47
|
hemB mutant
|
Complemented mutant
|
|||
|---|---|---|---|---|---|---|
| 4 h | 24 h | 4 h | 24 h | 4 h | 24 h | |
| Alkaline phosphatase | + | +++ | + | +++ | + | +++ |
| Esterase (C4) | (+) | + | +++ | +++ | ++ | +++ |
| Esterase lipase (C8) | − | (+) | + | ++ | (+) | + |
| Acid phosphatase | +++ | +++ | +++ | +++ | +++ | +++ |
| Naphthol-AS-BI-phosphohydrolase | + | + | +++ | + | +++ | + |
a
Only positive enzymatic reactions (5/19) are shown. −, negative; (+), weakly positive; +, positive, ++, strongly positive; +++, very strongly positive (judged by eye).