Pathogen-induced plant promoters

Details Pathogen-induced plant promoters Pathogen-induced plant promoters

C - Chemistry, Metallurgy

12

N

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

Patent

CA 2275491

New pathogen-induced promoters are provided, particularly nematode-induced promoters, which are characterized by their selective induction of expression in the vicinity of the pathogen infection sites, such as the fixed feeding cells induced by infection of the plant by nematodes. Further provided are chimeric genes comprising these promoters as regulatory elements, as well as transgenic plants, comprising those chimeric genes, which are less susceptible to pathogen infections.

Nouveaux promoteurs de plantes provoqués par des pathogènes, en particulier, promoteurs provoqués par des nématodes, caractérisés par le fait que leur expression est provoquée de façon sélective à proximité des zones d'infection par le pathogène, telles que les cellules fixes d'alimentation provoquées par l'infection de la plante par des nématodes. L'invention concerne également des gènes chimères comprenant ces promoteurs en tant qu'éléments de régulation, ainsi que des plantes transgéniques, comprenant ces gènes chimères, qui sont moins susceptibles d'être infectées par des pathogènes.

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