Method for the induction of pathogen resistance in plants

C - Chemistry – Metallurgy – 12 – N

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C12N 15/82 (2006.01) A01H 5/00 (2006.01) C07K 14/415 (2006.01) C07K 16/16 (2006.01) C12N 9/16 (2006.01)

Patent

CA 2322382

The invention comprises a method for the induction of pathogen resistance in plants characterized by transforming a plant with a polynucleotide sequence comprising a pathogen inducible promoter which regulates the expression of a plant signal transduction protein or a homologue thereof which when constitutively expressed gives rise to a hypersensitive response in plants. Alternatively, the invention comprises a method for the induction of pathogen resistance in plants characterized by transforming a plant with a polynucleotide sequence comprising a pathogen inducible promoter which regulates the expression of a compound which is able to alleviate the inhibitory effect of a protein on the signal transduction pathway leading to a hypersensitive response in plants.

L'invention concerne un procédé permettant d'induire une résistance aux pathogènes dans les plantes, caractérisé par la transformation d'une plante via une séquence polynucléotidique renfermant un promoteur à induction pathogénique qui régule l'expression d'une protéine de transduction de signal dans les plantes ou qui régule un homologue de ladite protéine. Cette expression constitutive induit une réaction d'hypersensibilité dans les plantes. Selon une variante, l'invention concerne un procédé permettant d'induire une résistance aux pathogènes dans les plantes, caractérisé par la transformation d'une plante via une séquence polynucléotidique renfermant un promoteur à induction pathogénique qui régule l'expression d'un composé capable d'atténuer l'effet inhibiteur d'une protéine sur le trajet de transduction de signal, engendrant ainsi une réaction d'hypersensibilité dans les plantes.

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