Patent ID: 7473825

Claim:
A method for accumulating a foreign gene product in a plant seed comprising the steps of: (a) providing a mutant plant that produces seeds that lack or have a reduced level of endogenous glutelin as compared to a wild-type plant of the same species; (b) introducing a vector comprising a foreign gene into the provided plant of step (a), the vector comprising a sequence encoding a foreign gene product operably connected downstream of a rice GluB-1 gene promoter and the complete 5′-untranslated region of a the rice GluB-1 gene comprising the nucleotide sequence of SEQ ID NO:1 inserted between the rice GluB-1 gene promoter and the sequence encoding the foreign gene product; and (c) expressing the foreign gene to produce the foreign gene product in the plant seed of the plant obtained in step (b), wherein the plant seed lacks or has a reduced level of endogenous glutelin as compared to a wild-type plant of the same species.