Maize promoter active in silks, stalk nodes, roots and leaf...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/29 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) C12N 5/04 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2627308

The present disclosure provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a tissue-preferred maize promoter. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequence disclosed herein is provided. The method comprises stably incorporating into the genome of a plant cell a nucleotide sequence operably linked to the root-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence.

L'invention concerne des compositions et des procédés permettant de réguler l'expression de séquences nucléotidiques hétérologues dans un végétal. Les compositions comprennent une nouvelle séquence nucléotidique destinée à un promoteur du maïs à préférence tissulaire. L'invention concerne un procédé permettant d'exprimer une séquence nucléotidique hétérologue dans un végétal à l'aide de la séquence promoteur décrite. Le procédé comporte les étapes consistant à: intégrer de manière stable dans le génome d'une cellule végétale une séquence nucléotidique liée opérationnelle au promoteur à préférence radicale de l'invention, et régénérer un végétal transformé de manière stable qui exprime cette séquence nucléotidique.

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