Table 5.
Astaxanthin and decaprenoxanthin production by recombinant C. glutamicum strains with improved IPP supply.
| C. glutamicum strain | Production (mg g−1 DCW) |
|||
|---|---|---|---|---|
| Decaprenoxanthin | β-Carotene | Zeaxanthin | Astaxanthin | |
| LYC3-MEP(pVWEx1)(pEKEx3) | <0.01 | <0.01 | <0.01 | <0.01 |
| LYC3-MEP(pVWEx1-idi)(pEKEx3-crtEbY) | 0.4 ± 0.1 | <0.01 | <0.01 | <0.01 |
| LYC3-MEP(pVWEx1-idi)(pEKEx3-crtZWY) | <0.01 | <0.01 | <0.01 | 0.1 ± 0.0 |
| LYC3-MEP(pVWEx1-crtEBI)(pEKEx3-crtZWY) | <0.01 | 2.1 ± 1.3 | 1.2 ± 0.2 | 1.2 ± 0.5 |
Cells were grown in glucose CGXII minimal medium with 50 μM IPTG. Means and standard deviations of three cultivations are reported.