Plant promoter operable in basal endosperm transfer layer of...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/113 (2010.01) A01H 1/00 (2006.01) A01H 5/00 (2006.01) C07H 21/04 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2761533

The present invention provides an isolated promoter or an active fragment or derivative thereof capable of conferring selective expression on a gene to which it is operably connected in the endosperm of a developing plant seed and preferably in the basal endosperm transfer layer (BETL) of endosperm. The present invention also provides expression vectors and constructs and transgenic plant cells, plant parts and whole plants comprising the promoter, active fragments and derivatives, and well as methods of modulating one or more plant phenotypes employing the promoter, active fragments and derivatives.

La présente invention porte sur un promoteur isolé ou un fragment actif ou dérivé de celui-ci apte à conférer l'expression sélective à un gène auquel il est lié de manière fonctionnelle dans l'endosperme d'une graine de plante en train de se développer et de préférence dans la couche basale de transfert de l'endosperme (BETL). La présente invention porte également sur des vecteurs d'expression et des produits de recombinaison et des cellules de plante transgénique, des parties de plante et des plantes entières comprenant le promoteur, les fragments actifs et les dérivés, ainsi que sur des procédés de modulation d'un ou plusieurs phénotypes de plante employant le promoteur, les fragments actifs et les dérivés.

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