Methods for producing carotenoid compounds, and speciality...

Details Methods for producing carotenoid compounds, and speciality... Methods for producing carotenoid compounds, and speciality...

C - Chemistry, Metallurgy

12

N

C12N 15/82 (2006.01) A01H 5/00 (2006.01) C12N 9/00 (2006.01) C12N 9/02 (2006.01) C12N 15/53 (2006.01)

Patent

CA 2299631

Methods are provided for producing plants and seeds having altered carotenoid compositions by transforming host plants with constructs having a transcriptional initiation region from a gene expressed in a plant seed, a plastid transit peptide, a DNA sequence derived from at least one carotenoid biosynthesis gene coding region, and a transcriptional termination region. The methods find particular use in increasing the carotenoid content in oilseed plants.

L'invention concerne des techniques permettant de produire des plantes et des semences présentant des compositions modifiées de caroténoïdes, par transformation des plantes hôtes au moyen de produits de recombinaison comprenant une région d'initiation transcriptionnelle d'un gène exprimé dans une semence de plante, un peptide de transit plastidial, une séquence d'ADN dérivée d'au moins une région codante d'un gène de biosynthèse de caroténoïde, et une région de terminaison transcriptionnelle. Ces procédés conviennent en particulier pour l'augmentation de la teneur en caroténoïdes des plantes oléagineuses.

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