Plant promoter activated by fungal infection

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/82 (2006.01) A01H 5/00 (2006.01) C07H 21/04 (2006.01) C07K 14/415 (2006.01) C07K 16/16 (2006.01) C12N 15/29 (2006.01)

Patent

CA 2220333

The present invention relates generally to genetic sequences which are useful in the diagnosis and treatment of fungal infections in plants which involve a susceptible interaction between a fungal pathogen and the host plant. In particular, the present invention provides genetic sequences which confer, activate, or enhance expression of a gene in a plant, in response to infection of said plant by a plant fungal pathogen in a susceptible interaction. The invention further provides genetic sequences such as structural genes, the expression of which is induced in response to a susceptible interaction between a plant and a fungal pathogen. The present invention further provides methods for the detection of infection by a fungal pathogen in a susceptible interaction and for the production of transgenic plants with improved resistance to said fungal pathogen. Transgenic plant material which expresses an artificial resistance gene against a fungal pathogen is also within the scope of the invention claimed.

La présente invention concerne, d'une façon générale, des séquences génétiques utiles dans le diagnostic et le traitement d'infections fongiques de plantes, comprenant une interaction réceptive d'un pathogène fongique avec la plante hôte. Elle fournit en particulier des séquences génétiques qui permettent, activent ou améliorent l'expression d'un gène dans une plante, en réponse à l'infection de ladite plante par un pathogène fongique de plante, dans le cadre d'une interaction réceptive. L'invention fournit également des séquences génétiques telles que des gènes de structure, dont l'expression découle de la réponse à une interaction réceptive d'une plante avec un pathogène fongique. La présente invention fournit en outre des méthodes permettant la détection d'une infection par un pathogène fongique dans le cadre d'une interaction réceptive et la production de plantes transgéniques dotées d'une meilleure résistance audit pathogène fongique. La matière de plante transgénique exprimant un gène de résistance artificielle à un pathogène fongique entre également dans le cadre de la présente invention.

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