Table 2.
Redistribution of Label following Feeding of Leaf Discs with [U-13C]Glc in the Individual hpr1-1 and hpr2-1 Knockout Plants and the hpr1-1 hpr2-1 Double Mutant
| Redistribution of Label (μmol C1 equivalents·g−1 fresh weight·h−1)
|
||||
|---|---|---|---|---|
| Metabolite | Col-0 | hpr1-1 | hpr2-1 | hpr1-1 hpr2-1 |
| Gly | 0.013465 ± 0.002167 | 0.044554 ± 0.010226 | 0.016896 ± 0.001430 | 0.076195 ± 0.009705 |
| Ser | 0.157030 ± 0.021351 | 0.271353 ± 0.030008 | 0.148851 ± 0.027776 | 0.067525 ± 0.011927 |
| Hydroxypyruvate | 0.000007 ± 0.000003 | 0.000727 ± 0.000198 | 0.000022 ± 0.000005 | 0.000745 ± 0.000200 |
| Glycerate | 0.004239 ± 0.000328 | 0.009824 ± 0.002895 | 0.006039 ± 0.000597 | 0.007983 ± 0.002068 |
Values are presented as means ± se from four determinants per line. Numbers in boldface indicate values that were determined by the t test to be significantly different (P < 0.05) from the wild type.