C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/82 (2006.01) A01H 5/00 (2006.01) C07K 16/40 (2006.01) C12N 1/21 (2006.01) C12N 5/10 (2006.01) C12N 9/12 (2006.01) C12N 15/01 (2006.01) C12N 15/11 (2006.01) C12N 15/54 (2006.01)
Patent
CA 2557843
The present invention relates to plant cells and plants, which are genetically modified, wherein the genetic modification leads to the reduction of the activity of a starch phosphorylating OKl protein in comparison with corresponding wild type plant cells or wild type plants that have not been genetically modified. The OKl protein acts as a phosphoglucan, water dikinase (PWD) which predominately phosphorylates the C3 position. Genetically modified plants in which the expression of PWD is reduced show a starch excess phenotype. Furthermore, the present invention relates to means and methods for the manufacture of such plant cells and plants. Plant cells and plants of this type synthesise a modified starch. The present invention therefore also relates to the starch synthesised by the plant cells and plants according to the invention, methods for the manufacture of this starch, and the manufacture of starch derivatives of this modified starch, as well as flours containing starches according to the invention. Furthermore, the present invention relates to nucleic acid molecules, which ar suitable for manufacturing plants according to the invention.
L'invention porte sur des cellules végétales et des plantes génétiquement modifiées dont la modification génétique entraîne une réduction de l'activité de la protéine OK1 de phosphorylation de l'amidon par rapport à celle de cellules végétales et de plantes non génétiquement modifiées. L'invention porte également sur des moyens et procédés de production de telles cellules et de telles plantes synthétisant l'amidon modifié. L'invention porte en outre sur l'amidon synthétisé par lesdites plantes, sur des procédés de production dudit amidon, sur la production de dérivés de l'amidon ainsi modifié, et sur des farines contenant lesdits amidons modifiés, ainsi que sur des molécules d'acides nucléiques utilisables pour la production des plantes de l'invention.
Frohberg Claus
Koetting Oliver
Ritte Gerhard
Steup Martin
Bayer Cropscience Ag
Bayer Cropscience Gmbh
Fetherstonhaugh & Co.
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