Plant reproduction
Bremen A) Fertilized ein3 eil1 mutants attract supernumerary pollen tubes. Arrowhead, pollen tube, asterisk, embryo. B) Schematic model of dual and opposing roles of EIN3 during seed growth. EIN3 is a repressor [...] factor EIN3, which mediates synergid cell death and the concomitant establishment of a pollen tube block (Völz et al 2012). In addition, we have uncovered dual roles of EIN3 in regulating seed size, a parameter [...] biosynthesis mutants, we demonstrate that EIN3 represses endosperm and seed development in a pathway regulated by ethylene. We, in addition, provided evidence that EIN3-mediated synergid nucleus disintegration