The LEA protein, ABR, is regulated by ABI5 and involved in dark-induced leaf senescence in Arabidopsis thaliana.

@article{Su2016TheLP,
  title={The LEA protein, ABR, is regulated by ABI5 and involved in dark-induced leaf senescence in Arabidopsis thaliana.},
  author={Mengying Su and Gan Huang and Qing Zhang and Xiao Wang and Chunxin Li and Yujin Tao and Shengchun Zhang and Jianbin Lai and Chengwei Yang and Yaqin Wang},
  journal={Plant science : an international journal of experimental plant biology},
  year={2016},
  volume={247},
  pages={93-103}
}
The phytohormone abscisic acid (ABA) modulates plant growth and developmental processes such as leaf senescence. In this study, we investigated the role of the Arabidopsis late embryogenesis abundant (LEA) protein ABR (ABA-response protein) in delaying dark-induced leaf senescence. The ABR gene was up-regulated by treatment with ABA, NaCl and mannitol, as well as by light deprivation. In the dark, abr mutant plants displayed a premature leaf senescence phenotype, and various senescence… CONTINUE READING
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