Scarecrow gene, promoter and uses thereof

Details Scarecrow gene, promoter and uses thereof Scarecrow gene, promoter and uses thereof

C - Chemistry, Metallurgy

12

N

C12N 15/29 (2006.01) A01H 5/00 (2006.01) C07K 14/415 (2006.01) C07K 16/16 (2006.01) C07K 16/42 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2252705

The structure and function of a regulatory gene, SCARECROW (SCR), is described. The SCR gene is expressed specifically in root progenitor tissues of embryos, and in roots and stems of seedlings and plants. SCR expression controls cell division of certain cell types in roots and affects the organization of root tissues, and affects gravitropism of aerial structures. The invention relates to the SCARECROW (SCR) gene, SCR gene products, (including but not limited to transcriptional products such as mRNAs, antisense, and ribozyme molecules, and translational products such as the SCR protein, polypeptides, peptides and fusion proteins related thereto), antibodies to the SCR product, SCR promoters and regulatory regions and the use of the foregoing to improve agronomically valuable plants.

L'invention concerne la structure et la fonction d'un gène régulateur SCARECROW (SCR). Ce gène SCR est exprimé de façon spécifique dans les tissus parents radiculaires des embryons, ainsi que dans les racines et les tiges de semis et de plantes. L'expression de SCR commande la division cellulaire de certains types de cellules dans les racines et exerce une influence sur l'organisation de tissus de racines, ainsi que sur le géotropisme de structures aériennes. L'invention concerne également le gène SCARECROW (SCR), les produits du gène SCR (y compris, de façon non exhaustive, des produits de transcription, tels que ARNm, des molécules antisens et des molécules de ribozyme, et des produits de traduction, tels que la protéine de SCR, des polypeptides, des peptides et des protéines de fusion relatifs à ce gène), des anticorps dirigés contre SCR, des promoteurs de SCR et des zones de régulation, ainsi que l'utilisation de ce gène afin d'améliorer des plantes présentant un intérêt sur le plan agronomique.

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