TABLE 4.
Levels of CBB and DMSOR promoter systems in wild-type strain SB1003 during photoautotrophic growth in the presence or absence of DMSO with ammonia G glutamate as the nitrogen source
| Phototrophic growth condition | β-Galactosidase activity (nmol/min/mg)a
|
||
|---|---|---|---|
| cbbI::lacZ | cbbII::lacZ | dorC::lacZ | |
| CO2-H2-ammonia | 162 ± 8 | 794 ± 59 | 9 ± <1 |
| CO2-H2-ammonia-DMSO | 27 ± 14 | 1,192 ± 206 | 795 ± 171 |
| CO2-H2-glutamate | 0 | 510 ± 28 | 12 ± 1 |
| CO2-H2-glutamate-DMSO | 0 | 602 ± 108 | 1,283 ± 184 |
a
β-Galactosidase activities were determined in three independent cultures assayed in duplicate.