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1. (WO2002000903) ESR1 - A PLANT GENE THAT CAN PROMOTE PLANT REGENERATION AND TRANSFORMATION

Pub. No.:    WO/2002/000903    International Application No.:    PCT/US2001/019858
Publication Date: Jan 3, 2002 International Filing Date: Jun 21, 2001
IPC: C07K 14/415
C12N 15/82
Applicants: THE ROCKEFELLER UNIVERSITY
Inventors: BANNO, Hiroharu
CHUA, Nam-Hai
Title: ESR1 - A PLANT GENE THAT CAN PROMOTE PLANT REGENERATION AND TRANSFORMATION
Abstract:
A plant gene, Esr1, has been found which when overexpressed in plant cells results in cells which have cytokinin-independent cell growth. This feature allows the encoded protein ESR1 to be used as a selectable marker of transformed cells by growing the transformed cells on cytokinin-free media. It has also been found that overexpression of ESR1 in cells grown in the presence of cytokinins results in a higher regeneration of plants. This feature allows the gene to be used to obtain greater regeneration of plant cells.