Novel genes involved in biosynthesis

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/29 (2006.01) C12N 15/52 (2006.01)

Patent

CA 2726743

The invention provides a novel MYB class transcription factor gene (nucleic acid sequences, protein sequences, and variants and fragments thereof) designated MYB14 by the applicants, that is useful for manipulating the production of flavonoids, specifically condensed tannins, in plants. The invention provides the isolated nucleic acid molecules encoding proteins with at least 70% identity to any one of MYB14 polypeptide sequences of SEQ ID NO: 14 and 46 to 54. The invention also provides, constructs, vectors, host cells, plant cells and plants genetically modified to contain the polynucleotide. The invention also provides methods for producing plants with altered flavonoid, specifically condensed tannin production, making use of the MYB14 nucleic acid molecules of the invention.

L'invention porte sur un nouveau gène de facteur de transcription de classe MYB (séquences d'acide nucléique, séquences de protéine et variants et fragments de celles-ci) appelé MYB14 par les demandeurs, qui est utile pour la manipulation de la production de flavonoïdes, précisément de tannins condensés, dans des plantes. L'invention porte sur les molécules d'acide nucléique isolées codant pour des protéines avec une identité d'au moins 70 % à l'une quelconque des séquences polypeptidiques MYB14 de SEQ ID NO: 14 et 46 à 54. L'invention porte également sur des produits de recombinaison, des vecteurs, des cellules hôtes, des cellules végétales et des plantes génétiquement modifiés pour contenir le polynucléotide. L'invention porte également sur des procédés pour la production de plantes avec une production de flavonoïdes, précisément de tannins condensés, modifiés, faisant usage des molécules d'acide nucléique MYB14 de l'invention.

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