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Copine proteins are required for brassinosteroid signaling in maize and Arabidopsis

Author

Listed:
  • Teng Jing

    (Henan Agricultural University)

  • Yuying Wu

    (Henan Agricultural University)

  • Yanwen Yu

    (Henan Agricultural University)

  • Jiankun Li

    (Henan Agricultural University)

  • Xiaohuan Mu

    (Henan Agricultural University)

  • Liping Xu

    (Henan Agricultural University)

  • Xi Wang

    (China Agricultural University)

  • Guang Qi

    (Henan Agricultural University)

  • Jihua Tang

    (Henan Agricultural University
    The Shennong Laboratory)

  • Daowen Wang

    (Henan Agricultural University)

  • Shuhua Yang

    (China Agricultural University)

  • Jian Hua

    (Cornell University)

  • Mingyue Gou

    (Henan Agricultural University
    The Shennong Laboratory)

Abstract

Copine proteins are highly conserved and ubiquitously found in eukaryotes, and their indispensable roles in different species were proposed. However, their exact function remains unclear. The phytohormone brassinosteroids (BRs) play vital roles in plant growth, development and environmental responses. A key event in effective BR signaling is the formation of functional BRI1-SERK receptor complex and subsequent transphosphorylation upon ligand binding. Here, we demonstrate that BONZAI (BON) proteins, which are plasma membrane-associated copine proteins, are critical components of BR signaling in both the monocot maize and the dicot Arabidopsis. Biochemical and molecular analyses reveal that BON proteins directly interact with SERK kinases, thereby ensuring effective BRI1-SERK interaction and transphosphorylation. This study advances the knowledge on BR signaling and provides an important target for optimizing valuable agronomic traits, it also opens a way to study steroid hormone signaling and copine proteins of eukaryotes in a broader perspective.

Suggested Citation

  • Teng Jing & Yuying Wu & Yanwen Yu & Jiankun Li & Xiaohuan Mu & Liping Xu & Xi Wang & Guang Qi & Jihua Tang & Daowen Wang & Shuhua Yang & Jian Hua & Mingyue Gou, 2024. "Copine proteins are required for brassinosteroid signaling in maize and Arabidopsis," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46289-6
    DOI: 10.1038/s41467-024-46289-6
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    References listed on IDEAS

    as
    1. Zhi-Yong Wang & Hideharu Seto & Shozo Fujioka & Shigeo Yoshida & Joanne Chory, 2001. "BRI1 is a critical component of a plasma-membrane receptor for plant steroids," Nature, Nature, vol. 410(6826), pages 380-383, March.
    2. Natalie M. Clark & Trevor M. Nolan & Ping Wang & Gaoyuan Song & Christian Montes & Conner T. Valentine & Hongqing Guo & Rosangela Sozzani & Yanhai Yin & Justin W. Walley, 2021. "Integrated omics networks reveal the temporal signaling events of brassinosteroid response in Arabidopsis," Nature Communications, Nature, vol. 12(1), pages 1-13, December.
    3. Michael Hothorn & Youssef Belkhadir & Marlene Dreux & Tsegaye Dabi & Joseph. P. Noel & Ian A. Wilson & Joanne Chory, 2011. "Structural basis of steroid hormone perception by the receptor kinase BRI1," Nature, Nature, vol. 474(7352), pages 467-471, June.
    4. Zhi-Yong Wang & Hideharu Seto & Shozo Fujioka & Shigeo Yoshida & Joanne Chory, 2001. "Erratum: BRI1 is a critical component of a plasma-membrane receptor for plant steroids," Nature, Nature, vol. 411(6834), pages 219-219, May.
    5. Ji She & Zhifu Han & Tae-Wuk Kim & Jinjing Wang & Wei Cheng & Junbiao Chang & Shuai Shi & Jiawei Wang & Maojun Yang & Zhi-Yong Wang & Jijie Chai, 2011. "Structural insight into brassinosteroid perception by BRI1," Nature, Nature, vol. 474(7352), pages 472-476, June.
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