Table 2.
μPIXE quantification of various elements in three different Arabidopsis thaliana seed genotypes with emphasis on Fe- and Mn-enriched areas.
| El. | Seed section | Fe-enriched area | Mn-enriched area | |||
|---|---|---|---|---|---|---|
| μg · g−1DW | LOD | μg · g−1DW | LOD | μg · g−1DW | LOD | |
| WT | ||||||
| K | 17648 | 36 | 21393 | 71 | 15851 | 121 |
| Ca | 9165 | 85 | 7509 | 140 | 9060 | 155 |
| Mn | 44 | 4 | 22 | 12 | 386 | 13 |
| Fe | 159 | 3 | 751 | 5 | 90 | 20 |
| Cu | 10 | 2 | 9 | 7 | n.d. | n.d. |
| Zn | 141 | 2 | 311 | 11 | 156 | 15 |
| nr3nr4 | ||||||
| K | 19989 | 30 | 19443 | 81 | 15582 | 57 |
| Ca | 11223 | 82 | 10672 | 128 | 10315 | 90 |
| Mn | 58 | 4 | 85 | 13 | 106 | 7 |
| Fe | 189 | 3 | 520 | 11 | 218 | 6 |
| Cu | 20 | 2 | 24 | 7 | 9 | 5 |
| Zn | 197 | 2 | 281 | 11 | 200 | 5 |
| El. | Seed section | Fe- and Mn-enriched area | ||||
| μg · g−1DW | LOD | μg · g−1DW | LOD | |||
| vit1-1 | ||||||
| K | 27274 | 25 | 22519 | 52 | ||
| Ca | 9757 | 63 | 8826 | 77 | ||
| Mn | 65 | 3 | 172 | 8 | ||
| Fe | 157 | 3 | 360 | 8 | ||
| Cu | 68 | 2 | 60 | 3 | ||
| Zn | 169 | 1 | 224 | 6 | ||
Concentrations of one representative measured sample of dry seed are presented; LOD, limit of detection of the measurements (μg·g−1DW); n.d., not detected.