Abscisic acid regulates early seed development in Arabidopsis by ABI5-mediated transcription of SHORT HYPOCOTYL UNDER BLUE1.

@article{Cheng2014AbscisicAR,
  title={Abscisic acid regulates early seed development in Arabidopsis by ABI5-mediated transcription of SHORT HYPOCOTYL UNDER BLUE1.},
  author={Zhi Juan Cheng and Xiang Yu Zhao and Xing Shao and Fei Wang and Chao Zhou and Ying Liu and Yan Zhang and Xian Sheng Zhang},
  journal={The Plant cell},
  year={2014},
  volume={26 3},
  pages={1053-68}
}
Seed development includes an early stage of endosperm proliferation and a late stage of embryo growth at the expense of the endosperm in Arabidopsis thaliana. Abscisic acid (ABA) has known functions during late seed development, but its roles in early seed development remain elusive. In this study, we report that ABA-deficient mutants produced seeds with increased size, mass, and embryo cell number but delayed endosperm cellularization. ABSCISIC ACID DEFICIENT2 (ABA2) encodes a unique short… CONTINUE READING
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