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du Pont obtains United States patent.

E. I. du Pont de Nemours and Company (Wilmington, DE) has patented an isolated nucleic acid fragment encoding a plant enzyme that catalyze steps in the biosynthesis of lysine, threonine, methionine, cysteine and isoleucine from aspartate, the enzyme a member selected from the group consisting of: dihydrodipicolinate reductase, diaminopimelate epimerase, threonine synthase, threonine deaminase and S-adenosylmethionine synthetase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the enzyme in a transformed host cell. (US 6,664,445)
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Title Annotation:E. I. du Pont de Nemours and Co.
Publication:BIOTECH Patent News
Article Type:Brief Article
Geographic Code:1USA
Date:Dec 1, 2003
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