Seed plants characterized by delayed seed dispersal

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/113 (2010.01) A01H 5/00 (2006.01) C12N 5/04 (2006.01) C12N 5/10 (2006.01) C12N 15/09 (2006.01) C12N 15/29 (2006.01) C12N 15/82 (2006.01) C07K 14/415 (2006.01)

Patent

CA 2702866

The present invention provides a non-naturally occurring seed plant that is characterized by delayed seed dispersal due to ectopic expression of a nucleic acid molecule encoding an AGL8-like gene product. Further provided herein is a non-naturally occurring seed plant, such as an (ag11 ag15) double mutant, that is characterized by delayed seed dispersal due to suppression of AGL1 and AGL5 expression in the seed plant. The invention also provides a substantially purified dehiscence zone-selective regulatory element, which includes a nucleotide sequence that confers selective expression upon an operatively linked nucleic acid molecule in the valve margin or dehiscence zone of a seed plant. Also provided by the invention are kits for producing a transgenic seed plant characterized by delayed seed dispersal, such kits containing a dehiscence zone-selective regulatory element.

La présente invention concerne une plante à graines d'origine non naturelle qui se caractérise par une dissémination retardée des graines en raison de l'expression ectopique d'une molécule d'acide nucléique codant un produit génétique du type AGL-8. L'invention concerne également une plante à graines d'origine non naturelle, par exemple un double mutant (ag11, ag15), qui se caractérise par une dissémination retardée des graines en raison de la suppression de l'expression de AGL1 et de AGL5 dans la plante à graines. L'invention concerne aussi un élément de régulation à zone sélective de déhiscence purifiée, qui comprend une séquence de nucléotides qui confère une expression sélective sur une molécule d'acide nucléique liée fonctionnellement dans la marge de soupape ou la zone de déhiscence d'une plante à graines. L'invention concerne également des nécessaires de production d'une plante à graines transgénique caractérisée par la dissémination retardée des graines, ces nécessaires contenant un élément de régulation à zone sélective de déhiscence.

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