C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/82 (2006.01) A23L 3/00 (2006.01) A23L 3/36 (2006.01) A61K 47/42 (2006.01) C07K 14/415 (2006.01) C12N 5/10 (2006.01)
Patent
CA 2426948
The present invention relates to the transformation of a plant cell with a nucleic acid encoding a cold tolerance polypeptide from the Wcor410 family, possibly combined with a period of low temperature exposure, for increasing its viability, for improving its low temperature, freezing or cross-stress tolerance as well as its membrane stability, fruit and leafy vegetable stability, seed stability and shelf life at low temperature and for improving plant productivity, resistance to osmotic or pathogen stress. More generally, it relates to the transformation of any cell with a nucleic acid encoding a cold tolerance polypeptide from the Wcor410 family for improving its metabolic stability and activity at low temperature or for its cryoprotection, as well as the protection of food or drug by the addition of a cold tolerance polypeptide from the Wcor410 family. A method for plant transformation based on high kanamycin selection pressure is also claimed.
L'invention concerne une méthode d'accroissement de la viabilité d'une cellule végétale. Ladite invention consiste à transformer une plante avec un acide nucléique codant un polypeptide de tolérance au froid provenant de la famille <i>Wcor410</i> et à combiner ce traitement avec une période d'exposition à des températures basses.
Dallaire Sylvain
Houde Mario
N'dong Daniel
Sarhan Fathey
Deeth Williams Wall Llp
Universite Du Quebec A. Montreal
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