TABLE 3.
Abilities of bacterial isolates to grow on nitrate media and detection of nasA PCR gene product
| Isolate | Growth on NO3− as sole nitrogen source | nasA PCR amplification |
|---|---|---|
| Barents Sea isolates | ||
| Barents Sea isolate 4a | Y | + |
| Barents Sea isolate 10a | Y | + |
| Barents Sea isolate 23 | N | − |
| Barents Sea isolate 25a | Y | + |
| Barents Sea isolate 32 | N | − |
| Barents Sea isolate 1 | N | − |
| Barents Sea isolate 2 | Y | + |
| Barents Sea isolate 3 | N | − |
| Barents Sea isolate 5 | N | − |
| Barents Sea isolate 6 | Y | + |
| Barents Sea isolate 7 | N | − |
| Barents Sea isolate 8 | Y | + |
| Barents Sea isolate 9 | Y | + |
| Barents Sea isolate 12 | Y | + |
| Barents Sea isolate 13 | Y | + |
| Barents Sea isolate 14 | Y | + |
| Barents Sea isolate 15 | Y | + |
| Barents Sea isolate 16 | Y | + |
| Barents Sea isolate 18 | Y | + |
| Barents Sea isolate 19 | N | − |
| Barents Sea isolate 20 | N | − |
| Barents Sea isolate 21 | N | − |
| Barents Sea isolate 22 | N | − |
| Barents Sea isolate 24 | Y | + |
| Barents Sea isolate 26 | N | − |
| Barents Sea isolate 27 | Y | + |
| Barents Sea isolate 28 | N | − |
| Barents Sea isolate 29 | Y | + |
| Barents Sea isolate 30 | Y | + |
| Barents Sea isolate 31 | N | − |
| SAB isolates | ||
| South Atlantic Bight A | N | + |
| South Atlantic Bight B | N | − |
| South Atlantic Bight C | N | + |
| Skidaway River 1 | Y | + |
| Skidaway River 2 | Y | + |
| Skidaway River 3 | N | − |
a
The doubling times of Barents Sea isolates 4, 10, and 25 on 10 mM NO3− as the sole N source were 3.78, 5.48, and 5.16 h, respectively.