TABLE 2.
RubisCO activities in R. sphaeroides strains
| Strain | RubisCO activitya under the following condition:
|
|||
|---|---|---|---|---|
| Chemoheterotrophy (malate-air) | Photoheterotrophy (malate-argon) | Photoautotrophy (1.5% CO2-98% H2) | Chemoautotrophy (5% CO2-45% H2-50% air) | |
| 2.4.1 (wild type) | 2 ± 1 | 46 ± 5 | 288 ± 10 | 32 ± 2 |
| HR (wild type) | 2 ± 1 | 55 ± 15 | 278 ± 6 | 33 ± 2 |
| CACΩ | NDb | 17 ± 3 | 65 ± 38 | ND |
| PrrA | 3 ± 1 | ND | ND | 32 ± 11 |
| CcoP1 | 31 ± 5 | 261 ± 17 | 339 ± 13 | 142 ± 16 |
| CcoP1PrrA | 11 ± 2 | ND | ND | 138 ± 55 |
| CcoQ | 1 ± 0.3 | 35 ± 8 | 289 ± 67 | ND |
a
Activities are expressed as nanomoles of CO2 fixed per minute per milligram of protein. Numbers represent the averages and standard deviations from multiple assays of two or three independent cultures.
b
ND, not determined.