Chemistry: molecular biology and microbiology – Vector – per se
Patent
1993-02-05
1996-03-12
Chereskin, Che S.
Chemistry: molecular biology and microbiology
Vector, per se
536 232, 800205, C12N 1582
Patent
active
054985447
ABSTRACT:
The present invention provides an expression cassette encoding a plant acetyl CoA carboxylase gene and methods for conferring herbicide tolerance and/or altering the oil content of plants by introducing and expressing a plant acetyl CoA carboxylase gene in plant cells. An expression cassette of the invention can comprise a gene coding a plant acetyl CoA carboxylase or a functional mutant thereof or an antisense DNA sequence complementary to the sequence for a plant acetyl CoA carboxylase gene combined with a promoter functional in a plant cell. The method of imparting herbicide tolerance to a plant includes the steps of introducing the expression cassette into the cells of a plant tissue and expressing the plant acetyl CoA carboxylase gene in an amount effective to render the acetyl CoA carboxylase and/or plant cell substantially tolerant to the herbicides. The method of altering the oil content in a plant includes the steps of introducing an expression cassette into plant cells and expressing the acetyl CoA carboxylase gene in an amount effective to alter the oil content of the cells. The expression cassette can also be introduced into a prokaryotic cell to increase yield of a plant acetyl CoA carboxylase so that crystallized enzyme can be used to screen and identify other herbicides that bind to and inhibit the enzyme.
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Egli Margaret A.
Gengenbach Burle G.
Gronwald John W.
Lutz Sheila M.
Somers David A.
Chereskin Che S.
Regents of the University of Minnesota
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