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A RECOMBINANT DNA MOLECULE ENCODING A BI-FUNCTIONAL PLANT ENZYME: ASPARTOKINASE & HOMOSERINE DEHYDROGENASE
See also: US Patent Office Full Record

Patent Number: 5858749
Docket Number: 22694
Serial Number: 8380182
Date Patented: 01/12/1999
Patent Number: 5858749
Docket Number: 22694
Serial Number: 8380182
Date Patented: 01/12/1999

Agency:

Agricultural Research Service
Date Issued:
January 12, 1999

Abstract:
A protein derived from carrots can be used to regulate amino acid content in plants. The invention involves the isolation and purification of a bifunctional protein with aspartokinase and homserine activities. Other amino acids in the invention that can be used as plant regulators are lysine, homoserine, threonine, isoleuci and methionine. The invention also involves encoding a DNA molecule with a sequence that has the same structure of the bifunctional carrot protein. Further, the invention includes a method of regulating the amino acid content in a plant by bringing effective amounts of the bifunctional protein in contact with the plant.

Inventors:
Benjamin F. Matthews Jane M. Weismann
USDA, ARS, PSI USDA, ARS, PSI
Beltsville, MD Beltsville, MD
(301) 504-5730 (301) 504-5103

Industry Keywords:

protein, amino acid, biotechnology, enzyme, genetic engineering, DNA, growth regulators, plant, carrot

Agency:

Agricultural Research Service

Date Filed:

January 24, 1995

Abstract:

A protein derrived from carrots can be used to regulate amino acid content in plants. The invention involves the isolatation and purificaiton of a bifunctional protein with aspartokinase and homserine activities. Other amino acids in the invention that can be used as plant regulators are lysine, homoserine, threonine, isoleuci and methionine. The invention also involves encoding a DNA molecule with a sequence that has the same structure of the bifunctional carrot protein. Further, the invention includes a method of regulating the amino acid content in a plant by bringing effective amounts of the bifunctional protein in contact with the plant.

Inventors:
Benjamin F. Matthews Jane M. Weismann
USDA, ARS, PSI USDA, ARS, PSI
Beltsville, MD Beltsville, MD.
(301) 504-5730 (301) 504-5103

 
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