Increased lysine synthesis coupled with a knockout of its catabolism synergistically boosts lysine content and also transregulates the metabolism of other amino acids in Arabidopsis seeds.

Abstract excerpt

To elucidate the relative significance of Lys synthesis and catabolism in determining Lys level in plant seeds, we expressed a bacterial feedback-insensitive dihydrodipicolinate synthase (DHPS) in a seed-specific manner in wild-type Arabidopsis as well as in an Arabidopsis knockout mutant in the Lys catabolism pathway. Transgenic plants expressing the bacterial DHPS, or the knockout mutant, contained...

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