Woody plants having improved growth characteristics and...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/82 (2006.01) C12Q 1/68 (2006.01)

Patent

CA 2671656

The present invention pertains to a novel and extensive analytical platform for selecting genes with a possible commercial phenotype from a large group of candidate genes identified using tools in bioinformatics, data from EST sequencing and DNA array. An aspect of the invention provides a method of producing a transgenic plant having an increased growth compared to its wild type. The method comprises altering in the plant the level of a gene product of at least one gene specifically expressed during different phases of wood formation. Further aspects of the invention provide a plant cell or plant progeny of a transgenic plant comprising a recombinant polynucleotide according to the invention. Other aspects pertain a DNA construct comprising a nucleotide sequence of the invention and a plant cell or plant progeny comprising the DNA construct.

L'invention concerne une nouvelle plate-forme analytique extensive pour sélectionner des gènes au moyen d'un phénotype commercial potentiel dans un grand groupe de gènes candidats identifiés au moyen d'outils en bioinformatique, des données provenant d'un séquençage de séquence génomique exprimée (EST) et un réseau ADN. Un objet de l'invention concerne un procédé pour produire une plante transgénique présentant une longueur et/ou une largeur accrues par rapport à son type sauvage. Le procédé consiste : à modifier, dans une plante, le niveau de produit génique d'au moins un gène spécifiquement exprimé pendant différentes phases des phases de formation de bois. Dans certains aspects, l'invention concerne une cellule ou une progéniture végétale de plante transgénique comprenant un polynucléotide recombinant. Dans d'autres aspects, l'invention concerne une construction d'ADN comprenant une séquence nucléotidique et une cellule ou une progéniture végétale comprenant ladite construction d'ADN.

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