Method of improving the quality of stored potatoes

Details Method of improving the quality of stored potatoes Method of improving the quality of stored potatoes

C - Chemistry, Metallurgy

12

N

C12N 15/82 (2006.01) A01H 5/00 (2006.01) C12N 5/10 (2006.01) C12N 9/12 (2006.01) C12N 15/54 (2006.01)

Patent

CA 2162383

A method of improving the quality of potatoes stored at reduced temperatures and a method of prolonging dormancy of stored potato tuber by increasing the level of ADPglucose pyrophosphorylase enzyme activity within the potato tuber during storage at ambient or reduced temperatures. Novel DNA molecules, plant cells, and potato plants are provided wherein the gene for the ADPglucose pyrophosphorylase enzyme is under the control of a cold-inducible promoter.

L'invention concerne un procédé d'amélioration de la qualité de pommes de terre stockées à basses températures et un procédé de prolongation de la dormance d'un tubercule de pomme de terre stockée, consistant à augmenter l'intensité de l'activité de l'ADPglucose pyrophosphorylase dans le tubercule de pomme de terre lors de son stockage à température ambiante ou à basse température. Des molécules d'ADN, des cellules végétales, et des plants de pommes de terre d'un type nouveau sont décrits dans lesquels le gène destiné à l'ADPglucose pyrophosphorylase est sous le contrôle d'un promoteur pouvant être induit par le froid.

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