Endogenous levels of sterols in 49-d-old shoots and mature seeds of WT, lka, and lkb of pea
Sterol | Sterol Level | |||||
---|---|---|---|---|---|---|
WT | lka | lkb | ||||
Shoot | Seed | Shoot | Seed | Shoot | Seed | |
μg g−1 fresh wt | ||||||
24-Methylenecholesterol | 0.7 ± 0.0 | ND2-a | 0.5 ± 0.0 | ND | 17.5 ± 0.2 | 14.5 ± 0.4 |
Campesterol/24-epicampesterol | 21.1 ± 0.1 | 85.8 ± 1.0 | 25.0 ± 0.4 | 88.2 ± 2.0 | 2.3 ± 0.0 | 6.0 ± 0.0 |
Campestanol/24-epicampestanol | 1.3 ± 0.0 | 5.3 ± 0.1 | 1.4 ± 0.0 | 5.7 ± 0.0 | 0.1 ± 0.0 | 0.5 ± 0.0 |
Isofucosterol | 20.3 ± 0.2 | 6.8 ± 0.1 | 16.5 ± 0.3 | 6.1 ± 0.1 | 252.5 ± 2.0 | 1514.5 ± 20 |
Sitosterol | 122.4 ± 0.8 | 872.0 ± 17 | 143.5 ± 0.8 | 943.2 ± 39 | 11.7 ± 0.1 | 21.7 ± 0.2 |
Stigmasterol | 46.9 ± 0.2 | 42.0 ± 1.1 | 57.5 ± 0.4 | 60.4 ± 2.1 | 0.6 ± 0.0 | 4.4 ± 0.0 |
Sitostanol | 5.8 ± 0.0 | 15.9 ± 0.3 | 6.3 ± 0.0 | 15.7 ± 0.1 | ND | ND |
Cholesterol | 1.4 ± 0.0 | 1.4 ± 0.0 | 1.2 ± 0.0 | 2.2 ± 0.0 | 2.0 ± 0.0 | 1.9 ± 0.0 |
Total sterols | 219.9 | 1029.2 | 251.9 | 1121.5 | 286.7 | 1563.5 |
End-pathway sterols2-b | 191.8 | 1001.2 | 227.2 | 1094.0 | 16.6 | 34.0 |