C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/56 (2006.01) A01H 5/00 (2006.01) C07K 14/415 (2006.01) C12N 5/04 (2006.01) C12N 5/10 (2006.01) C12N 9/32 (2006.01) C12N 15/29 (2006.01) C12N 15/82 (2006.01)
Patent
CA 2461907
The present invention relates to isolated polypeptides having alpha-amylase activity and/or starch binding activity and/or plastid targeting signals and to isolated polynucleotides encoding the polypeptides. The invention also relates to DNA constructs, vectors and host cells incorporating the polynucleotide sequences, methods for modulating starch content in plants, particularly plastids, as well as modifying plastid specific starch. The applicants have identified a class of alpha-amylases with plastid targeting signals and starch binding activity.
L'invention a trait à des polypeptides isolés qui présentent une activité d'alpha-amylase et/ou une activité de liaison à l'amidon et/ou des signaux de ciblage de plaste, et à des polynucléotides isolés codant pour ces polypeptides. L'invention concerne aussi de l'ADN chimère, des vecteurs et des cellules hôtes incorporant des séquences polynucléotidiques, des procédés visant à moduler la teneur en amidon chez des végétaux, notamment des plastes, et à modifier l'amidon spécifique du plaste. Une classe d'alpha-amylases identifiée présente des signaux de ciblage de plaste et une activité de liaison à l'amidon.
Macrae Elspeth Ann
Stanley Duncan
Sim & Mcburney
The Horticulture And Food Research Institute Of New Zealand Limi
LandOfFree
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