Control of fertilization-independent endosperm development by the MEDEA polycomb gene in Arabidopsis ( reproduction ! embryo ! seed !

Abstract

Higher plant reproduction is unique because two cells are fertilized in the haploid female gametophyte. Egg and sperm nuclei fuse to form the embryo. A second sperm nucleus fuses with the central cell nucleus that replicates to generate the endosperm, a tissue that supports embryo development. To understand mechanisms that initiate reproduction, we isolated… (More)

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