Table IV.
Free amino acid levels in leaves of wild-type and mmt mutant Arabidopsis plants
| Amino Acid | Amino Acid Level
|
|
|---|---|---|
| Wild Type | mmt Mutant | |
| nmol g−1 fresh wt | ||
| Met | 28 ± 1 | 31 ± 5 |
| Thr | 361 ± 17 | 179 ± 21 |
| Ala | 518 ± 46 | 522 ± 178 |
| Gly | 84 ± 16 | 61 ± 14 |
| Val | 71 ± 3 | 49 ± 6 |
| Ser | 974 ± 89 | 415 ± 20 |
| Leu | 27 ± 1 | 23 ± 4 |
| Ile | 26 ± 1 | 21 ± 3 |
| Pro | 236 ± 66 | 124 ± 14 |
| Asxa | 709 ± 14 | 463 ± 36 |
| Phe | 21 ± 1 | 14 ± 2 |
| Glxb | 1,680 ± 36 | 1,021 ± 87 |
| Total | 4,735 ± 290 | 2,923 ± 389 |
Amino acids were determined using pooled rosette leaves (0.4–0.5 g) from five plants harvested just before bolting. Data are means of three replicates ± se.
a
Asp + Asn.
b
Glu + Gln.