USE OF MIXED DUPLEX OLIGONUCLEOTIDES TO EFFECT LOCALIZED GENETIC CHANGES IN PLANTS
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Apr 23, 2009
filing date -
Aug 5, 1997
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Abandoned
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Abstract
The invention concerns the use of duplex oligonucleotides about 25 to 30 base pairs to introduce site specific genetic alterations in plant cells. The oligonucleotides can be delivered by mechanical (biolistic) systems or by electroporation of plant protoplasts. Thereafter plants having the genetic alteration can be generated form the altered cells. In specific embodiments the invention concerns the alteration in the gene that encode acid invertase, UDP-glucose pyrophosphorylase, polyphenol oxidase, O-methyl transferase, cinnamyl alcohol dehydrogenase, ACC synthase and ACC oxidase or etr-1 or homolog of etr-1, and plants having isolated point mutations in such genes.
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