TABLE 3.
Nucleotide and CoA intermediate concentrations for cells obtained from continuous, phosphate-limited, steady-state cultures of C. butyricum with glucose and a glucose-glycerol mixture as feed substrates
| Metabolite | Mean intracellular concn (μmol/g [dry wt]) (SD) (n = 4)
|
|
|---|---|---|
| Glucose | Glucose-glycerol | |
| ATP | 2.67 (0.17) | 5.85 (0.33) |
| ADP | 7.02 (0.8) | 2.88 (0.47) |
| Pi | 14.8 (2.3) | 22.7 (4.5) |
| NAD+ | 14.6 (1.2) | 15 (1.14) |
| NADH | 4.85 (0.47) | 7.7 (0.4) |
| NADP+ | 2.83 (0.1) | 2.63 (0.22) |
| NADPH | 1.63 (0.28) | 1.9 (0.46) |
| Acetyl-CoA | 0.54 (0.02) | 0.36 (0.03) |
| Butyryl-CoA | 2.09 (0.12) | 3.36 (0.17) |
| Free CoA | 0.5 (0.01) | 1.73 (0.09) |