Table 2.
Percent composition of cellular biomass of R. sphaeroides during photoheterotrophic and aerobic growth*
| Components | % Composition of biomass (Photo) | % Composition of biomass (Aero) |
|---|---|---|
| DNA | 1.9 | 2.8 |
| RNA | 5.1 | 7.1 |
| Protein | 53.6 | 49.3 |
| Lipidsa | 17.1 | 12.8 |
| PHB | 10.4 | 17.6 |
| Bacteriochlorophyll | 0.4 | 0 |
| Carotenoids | 0.1 | 0 |
| Glycogen | 1.4 | 0.4 |
| Lipopolysaccharidesb | 3 | 3 |
| Cell Wallb | 2 | 2 |
* Inorganic fraction estimated to be about 5% of biomass [66].
a Lipid composition of R. sphaeroides consisting of phospholipids and sulfolipids.
b Estimated from E. coli cell wall and lipopolysaccharides percent contribution.