Importance

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Abstract

Constructs and methods are provided for expressing peptides derived from eukaryotic organisms in plant plastids. Constructs have a promoter functional in a plant plastid, a DNA sequence encoding a peptide derived from an eukaryotic organism and a transcription termination region. Other elements include a selectable marker for selection of plant cells comprising a plastid expressing the marker and DNA regions of homology to the genome of the plastid and optionally a ribosome binding site joined to the promoter. By methods using such constructs high levels of eukaryotic peptides, such as mammalian proteins, are produced in a plant cell by growing plant cells under conditions whereby the DNA encoding sequences re expressed to produce eukaryotic peptide in said plastid.

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First Claim