Transgenic expression of a phytochrome a gene

Details Transgenic expression of a phytochrome a gene Transgenic expression of a phytochrome a gene

C - Chemistry, Metallurgy

12

N

C12N 15/29 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2522925

An isolated nucleic acid construct including a nucleic acid molecule encoding a light-labile, phytochrome A, a light-inducible promoter which is 5~ to the nucleic acid molecule encoding a light-labile, phytochrome A, and a terminator region which is 3~ to the nucleic acid molecule encoding a light-labile, phytochrome A is disclosed. Methods for regulating a plant~s canopy architecture and regulating a plant~s seed yield, which involve transgenic plants or transgenic plant seeds including an isolated nucleic acid construct according to the present invention, are also disclosed.

L'invention concerne une construction d'acide nucléique isolée comprenant une molécule d'acide nucléique codant un phytochrome A labile à la lumière, un promoteur inductible à la lumière, qui est 5' par rapport à la molécule d'acide nucléique codant un phytochrome A labile à la lumière, et une région terminatrice qui est 3' par rapport à la molécule d'acide nucléique codant un phytochrome A labile à la lumière. L'invention concerne également des procédés permettant de réguler l'architecture de couverture d'une plante et de réguler le rendement en grains d'une plante, lesquels procédés mettent en oeuvre des plantes transgéniques ou des graines de plantes transgéniques comprenant la construction d'acide nucléique isolée de cette invention.

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