Table I.
Carotenoid composition of Synechococcus PCC7942 transformants
| Transformants of Strain PIM8 | Colored Carotenoidsa | Distribution
|
|||
|---|---|---|---|---|---|
| β-Carotene | β-Cryptoxanthin | Zeaxanthin | Hydroxy-zeaxanthin | ||
| mg g−1 dry wt | % | ||||
| -pFP1-3 | 3.17 ± 0.28 | 56.6 ± 5.2 | 2.9 ± 0.3 | 32.0 ± 3.2 | 8.5 ± 0.8 |
| -pFP1-3-crtB | 3.83 ± 0.30 | 61.1 ± 5.1 | 2.6 ± 0.3 | 28.7 ± 3.0 | 7.5 ± 0.9 |
| -pFP1-3-pys | 5.13 ± 0.38 | 58.2 ± 4.4 | 3.1 ± 0.4 | 32.1 ± 3.4 | 6.6 ± 0.8 |
| -pFP1-3-crtZ | 3.40 ± 0.24 | 30.9 ± 3.2 | 3.9 ± 0.4 | 55.1 ± 4.7 | 10.1 ± 0.9 |
a
Carotenoid concentrations are the means ± sd of at least five determinations.