Figure 4.
Changes in the Free Seed Amino Acids Resulting from the tha1-1 and tha1-2 Mutations.
(A) Thr and metabolically related amino acids in seeds.
(B) l-allo-Thr in seeds.
(C) Free amino acid content in seedlings. Mean ± sd of five samples. * P < 0.01, Student's t test, comparing mutant and wild-type samples.