Table III.
Concentrations of PC and DGDG in Arabidopsis rosettes and roots under phosphorus-starved conditions in wild type, pldζ1, pldζ2, and pldζ1pldζ2 mutants
The data were expressed as average ± sd (n = 5). sd is in superscript for clarity.
| Rosettes
|
Roots
|
|||||||
|---|---|---|---|---|---|---|---|---|
| Wild Type | pldζ1 | pldζ2 | pldζ1pldζ2 | Wild Type | pldζ1 | pldζ2 | pldζ1pldζ2 | |
| nmol/mg DW | nmol/mg DW | |||||||
| PC/+P | 28.0±1.7 | 30.3±3.2 | 29.7±3.1 | 31.2±2.7 | 21.4±0.4 | 20.4±1.5 | 21.1±1.5 | 21.9±1.8 |
| PC/−P | 23.3±2.7 | 23.5±2.6 | 24.6±1.3 | 25.4±1.9 | 10.4±0.4 | 11.4±0.8 | 11.6±1.3 | 11.8±0.4,a |
| DGDG/+P | 15.2±1.1 | 17.8±3.4 | 17.3±1.3 | 17.6±1.3 | 0.84±0.30 | 0.90±0.30 | 0.70±0.22 | 0.65±0.12 |
| DGDG/−P | 26.1±2.0 | 27.7±5.6 | 27.2±4.4 | 26.0±2.9 | 8.95±1.08 | 7.87±1.81 | 8.00±1.23 | 7.55±0.35,b |
a
The concentration was significantly higher in pldζ1pldζ2 than in wild type (P < 0.05), and the difference between them is 1.4 nmol/mg dry weight.
b
The concentration was significantly lower in pldζ1pldζ2 than in wild type (P < 0.05), and the difference between them is 1.4 nmol/mg dry weight.