Table I. Effects of DPE1 overexpression or suppression on thermal gelatinization properties of starch granules from transgenic rice seeds.
Data are mean ± sd from triplicate assays from three independent preparations.
| Linea | To | Tp | Tc | ΔH |
|---|---|---|---|---|
| °C | mJ mg–1 | |||
| Wild type | 61.4 ± 1.0 | 68.0 ± 0.6 | 76.2 ± 0.5 | 11.9 ± 1.0 |
| Ri-4 | 60.5 ± 0.6 | 67.4 ± 0.2 | 74.5 ± 0.4 | 9.8 ± 0.6 |
| Ri-12 | 60.3 ± 0.1 | 66.8 ± 0.5 | 74.6 ± 0.2 | 9.6 ± 0.6 |
| OX-3 | 59.8 ± 0.3 | 65.6 ± 0.3 | 75.4 ± 0.7 | 10.9 ± 0.5 |
| OX-7 | 60.0 ± 0.4 | 66.4 ± 0.2 | 74.8 ± 0.3 | 10.9 ± 0.2 |
a
The wild type (cv Kitaake) was used as an untransformed control; Ri-4, Ri-12, OX-3, and OX-7 are the transgenic lines tested.