Nematode-resistant transgenic plants

Details Nematode-resistant transgenic plants Nematode-resistant transgenic plants

C - Chemistry, Metallurgy

12

N

C12N 15/82 (2006.01)

Patent

CA 2754956

The present invention provides expression vectors encoding double stranded RNAs that target certain plant genes required for maintenance of parasitic nematode infection, nematode-resistant transgenic plants that express such double-stranded RNAs, and methods associated therewith. The targeted plant gene is a GLABRA- like gene, a homeodomain-like gene, a trehalose-6-phosphate phosphatase-like gene, an unknown gene having at least 80% homology to SEQ ID NO: 16, a ringH2 finger-like gene, a zinc finger-like gene, or a MIOX-like gene.

La présente invention concerne des vecteurs d'expression codant pour des ARN double brin qui ciblent certains gènes de plantes nécessaires à la maintenance d'une infection parasitaire par des nématodes, des plantes transgéniques résistantes aux nématodes exprimant de tels ARN double brin et leurs méthodes associées. Le gène de plante ciblé est un gène de type GLABRA, un gène de type homéodomaine, un gène de type tréhalose-6-phosphate phosphatase, un gène inconnu présentant au moins 80 % d'homologie avec la SEQ ID NO:16, un gène de type doigt RING-H2, un gène de type doigt de zinc, ou un gène de type MIOX.

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