Table I. DAG and polar lipid FA composition in 5-DAI seedlings.
Values are means ± sd of measurements from five separate batches of 100 seedlings. Asterisk (*) indicates significantly different from Col-0 (P < 0.05) by ANOVA test. ND, Not detected.
|
FA Composition |
||||||||
|---|---|---|---|---|---|---|---|---|
| Lipid Class | Seed Type | 16:0 | 16:3n3 | 18:0 | 18:1n9c | 18:2n6c | 18:3n3 | 20:1n9 |
| % | ||||||||
| DAG | Col-0 | 19.19 ± 1.66 | ND | ND | 3.62 ± 0.19 | 42.02 ± 1.01 | 33.60 ± 2.12 | 1.57 ± 0.48 |
| pxa1 | 7.92 ± 0.39 | ND | ND | 6.23 ± 1.19 | 40.95 ± 1.10 | 35.36 ± 1.81 | 9.54 ± 0.90* | |
| Phosphatidylcholine | Col-0 | 26.29 ± 2.28 | 0.38 ± 0.18 | 7.82 ± 3.92 | 5.34 ± 0.64 | 31.85 ± 1.62 | 17.63 ± 0.82 | 2.74 ± 0.24 |
| pxa1 | 19.17 ± 1.55 | 0.16 ± 0.11 | 9.32 ± 2.66 | 7.54 ± 0.54 | 28.18 ± 1.50 | 17.74 ± 1.40 | 10.14 ± 1.14* | |
| Phosphatidylethanolamine | Col-0 | 27.42 ± 1.59 | 1.07 ± 0.45 | 5.63 ± 0.56 | 2.17 ± 0.11 | 31.13 ± 1.62 | 12.66 ± 0.33 | 2.27 ± 0.28 |
| pxa1 | 21.82 ± 0.99 | 0.14 ± 0.21 | 9.20 ± 1.19 | 2.52 ± 0.25 | 31.63 ± 0.86 | 11.72 ± 0.52 | 6.10 ± 0.37* | |
| Phosphatidic acid | Col-0 | 24.83 ± 1.88 | 0.45 ± 0.39 | 6.97 ± 0.86 | 4.63 ± 0.12 | 31.77 ± 0.12 | 15.43 ± 0.55 | 2.83 ± 0.35 |
| pxa1 | 17.65 ± 1.50 | 0.15 ± 0.04 | 8.39 ± 1.25 | 6.18 ± 0.61 | 29.71 ± 1.01 | 17.58 ± 1.16 | 11.04 ± 0.49* | |
| Digalactosyldiacylgalactolipid | Col-0 | 13.45 ± 2.25 | 1.43 ± 0.42 | 4.48 ± 1.26 | 1.32 ± 0.17 | 3.62 ± 0.13 | 57.88 ± 6.14 | ND |
| pxa1 | 11.35 ± 1.70 | 0.73 ± 0.18 | 5.85 ± 3.07 | 0.52 ± 0.14 | 1.89 ± 0.05 | 61.58 ± 6.75 | ND | |
| Monogalactosyldiacylgalactolipid | Col-0 | 2.95 ± 0.50 | 18.78 ± 1.27 | 1.28 ± 0.35 | 1.17 ± 0.18 | 4.25 ± 0.22 | 66.04 ± 3.62 | ND |
| pxa1 | 3.15 ± 0.28 | 7.51 ± 0.44 | 2.26 ± 0.74 | 0.38 ± 0.06 | 2.56 ± 0.18 | 72.19 ± 0.88 | ND | |