Maize clavata3-like polynucleotide sequences and methods of use

Details Maize clavata3-like polynucleotide sequences and methods of use Maize clavata3-like polynucleotide sequences and methods of use

C - Chemistry, Metallurgy

12

N

C12N 15/54 (2006.01) A01H 5/00 (2006.01) A01H 5/10 (2006.01) C07K 14/415 (2006.01) C12N 9/12 (2006.01) C12N 15/29 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2484525

Methods and compositions for modulating development and/or developmental pathways are provided. The compositions of the present invention comprise nucleic acid and amino acid sequences. Particularly, the nucleotide sequence (SEQ ID NO:1, 3, or 4) and amino acid sequence (SEQ ID NO:2) for a maize CLAVATA3-like (CLV3-like) polypeptide are provided. Methods are provided for the expression of the CLV3-like sequences in a host plant or plant cell to modulate plant development and/or developmental pathways. The methods of the invention find use in controlling or modulating cell division, differentiation and development. In particular, the sequences of the present invention find use in modulating meristem development. Transformed plants, plant cells, tissues, and seed are also provided.

L'invention concerne des procédés et des compositions permettant de moduler le développement et/ou les processus de développement. Ces compositions comprennent des séquences d'acides nucléiques et d'acides aminés. En particulier, l'invention concerne la séquence nucléotidique (SEQ ID NO :1,3, ou 4) et la séquence d'acides aminés (SEQ ID NO : 2) d'un polypeptide analogue de CLAVARTA3 (analogue de CLV3) de maïs. L'invention concerne des procédés d'expression des séquences des analogues de CLV3 dans une plante hôte ou une cellule de plante permettant de moduler le développement de la plante et/ou les processus de développement. Ces procédés sont utilisés pour réguler ou moduler la division, la différentiation et le développement cellulaire. En particulier, les séquences décrites s'utilisent pour moduler le développement d'un méristème. Des plantes, des cellules de plantes, des tissus de plantes et des graines transformées sont également décrits.

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