Table 2.
Exoenzyme activities in stationary-phase cultures of Thalassospira EM and in bacterioplankton concentrated from water samples from four sampling stations in the eastern Mediterranean as determined by the API ZYM test systema
| Enzyme | Activity for: |
|||||
|---|---|---|---|---|---|---|
| EM +P | EM −P | H10 | H02 | IER01 | Rho02 | |
| Control | − | − | − | − | − | − |
| Alkaline phosphatase | ++ | +++ | ++ | ++ | ++ | ++ |
| Esterase (C4) | (+) | + | − | − | − | − |
| Esterase lipase (C8) | − | + | (+) | (+) | + | + |
| Lipase (C14) | − | − | − | − | − | − |
| Leucine arylamidase | ++ | + | − | − | − | − |
| Valine arylamidase | (+) | − | (+) | (+) | (+) | + |
| Cystine arylamidase | − | − | − | − | − | − |
| Trypsin | − | − | − | − | − | − |
| α-Chymotrypsin | − | − | − | − | − | − |
| Acid phosphatase | +++ | ++ | (+) | (+) | (+) | (+) |
| Naphthol-AS-BI-phosphohydrolase | (+) | − | + | + | + | + |
| α-Galactosidase | − | − | − | − | − | − |
| β-Galactosidase | − | − | − | − | − | − |
| β-Glucuronidase | − | − | − | − | − | − |
| α-Glucosidase | − | − | − | − | − | − |
| β-Glucosidase | − | − | − | − | − | − |
| N-Acetyl-β-glucosaminidase | − | − | − | − | − | − |
| α-Mannosidase | − | − | − | − | − | − |
| α-Fucosidase | − | − | − | − | − | − |
a
+P, cells grown in ASWGluNPYE; −P, cells grown in ASWGluNYE; −, no activity; (+), weak activity; +, activity; ++, intense activity; +++, very intense activity.