Modification of starch synthesis in plants

Details Modification of starch synthesis in plants Modification of starch synthesis in plants

1995-12-15

1998-10-20

Benzion, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

800205, 4351723, 4351721, 935 67, 935 64, C12N 1505, C12N 1529, C07H 2104, A01H 500

Patent

active

058247904

ABSTRACT:
A method of producing a plant with novel starch-synthesising ability comprises stably incorporating into the genome of a recipient plant at least one target gene encoding an enzyme involved in a starch or glycogen biosynthetic pathway. A plant with novel starch-synthesising ability may have novel starch quality (eg altered fine structure). Starch or glycogen biosynthetic enzymes include soluble starch synthase, branching enzyme, glycogen synthase, ADP-glucose pyrophosphorylase, self-glucosylating protein, glycogenin and amylogenin. Mutants involving said enzymes for use in this method are described, including specific gene-dosage combinations which provide novel starch fine structures and starch properties. DNA constructs for use in this method are described, as well as plants transformed with said DNA constructs, the seeds and progeny of such plants, and hybrids whose pedigree includes such plants.

REFERENCES:
patent: 5034323 (1991-07-01), Jorgensen et al.
patent: 5453566 (1995-09-01), Shewmaker et al.
Baba et al. Plant Physiology vol. 103 pp. 565-573 1993.
Van der Krol The plant Cell vol. 2. p. 291 1990.
Van der Krol Plant Molecular biology vol. 14. p. 457 1990.

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