J.r. Simplot Company

Teruko Osumi

Caius Rommens

Hua Yan

Richard C Peet

Robert Chretien

The present disclosure relates to methods and constructs for producing heterologous peptides and proteins in plants in a safe and controlled manner. One aspect of the present invention provides a method of producing heterologous protein in a transformed potato plant using an expression cassette comprising a gene coding for a protein or peptide of interest and a marker gene, a nucleotide sequence capable of suppressing patatin expression, along with a nucleotide sequence capable of suppressing CD4B expression, and/or a nucleotide sequence capable of overexpressing P19. Another aspect of the invention provides a method of producing a heterologous protein in a transformed potato plant using an expression cassette comprising a gene coding for a protein or peptide of interest, a marker gene, a transit peptide sequence, and a nucleotide sequence capable of suppressing ADP glucose pyrophosphorylase expression.

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Garden City, ID, United States of America

Teruko Osumi