Reactive oxygen species are involved in gibberellin/abscisic acid signaling in barley aleurone cells.

@article{Ishibashi2012ReactiveOS,
  title={Reactive oxygen species are involved in gibberellin/abscisic acid signaling in barley aleurone cells.},
  author={Yushi Ishibashi and Tomoya Tawaratsumida and Koji Kondo and Shinsuke Kasa and Masatsugu Sakamoto and Nozomi Aoki and Shao-hui Zheng and Takashi Yuasa and Mari Iwaya-Inoue},
  journal={Plant physiology},
  year={2012},
  volume={158 4},
  pages={1705-14}
}
Reactive oxygen species (ROS) act as signal molecules for a variety of processes in plants. However, many questions about the roles of ROS in plants remain to be clarified. Here, we report the role of ROS in gibberellin (GA) and abscisic acid (ABA) signaling in barley (Hordeum vulgare) aleurone cells. The production of hydrogen peroxide (H2O2), a type of ROS, was induced by GA in aleurone cells but suppressed by ABA. Furthermore, exogenous H2O2 appeared to promote the induction of α-amylases by… CONTINUE READING

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