Brassinosteroid signaling regulates leaf erectness in Oryza sativa via the control of a specific U-type cyclin and cell proliferation.

@article{Sun2015BrassinosteroidSR,
  title={Brassinosteroid signaling regulates leaf erectness in Oryza sativa via the control of a specific U-type cyclin and cell proliferation.},
  author={Shiyong Sun and Donghong Chen and Xiaoming Li and Shenglong Qiao and Chaonan Shi and Chengxiang Li and Hongyun Shen and Xuelu Wang},
  journal={Developmental cell},
  year={2015},
  volume={34 2},
  pages={220-8}
}
Leaf erectness is key in determining plant architecture and yield, particularly in cereal crops. Brassinosteroids (BRs) play a unique role in controlling this trait in monocots, but the underlying cellular and molecular mechanisms remain big mysteries. Here we report that the abaxial sclerenchyma cell number of rice lamina joints (LJs) is closely related to leaf erectness, and BR signaling tightly regulates their proliferation. We identified a rice U-type cyclin CYC U4;1 enriched in rice LJs… CONTINUE READING
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Brassinosteroid Signaling Regulates Leaf Erectness in Oryza sativa via the Control of a Specific U-Type Cyclin and Cell Proliferation

  • Sun
  • Developmental Cell (2015),
  • 2015
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