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Ethylene-triggered subcellular trafficking of CTR1 enhances the response to ethylene gas

Author

Listed:
  • Hye Lin Park

    (Purdue University
    Purdue University)

  • Dong Hye Seo

    (Purdue University
    Purdue University
    Yonsei University)

  • Han Yong Lee

    (Purdue University
    Purdue University
    Chosun University)

  • Arkadipta Bakshi

    (University of Tennessee
    UW-Madison)

  • Chanung Park

    (Purdue University
    Purdue University)

  • Yuan-Chi Chien

    (Purdue University
    Purdue University)

  • Joseph J. Kieber

    (University of North Carolina)

  • Brad M. Binder

    (University of Tennessee)

  • Gyeong Mee Yoon

    (Purdue University
    Purdue University)

Abstract

The phytohormone ethylene controls plant growth and stress responses. Ethylene-exposed dark-grown Arabidopsis seedlings exhibit dramatic growth reduction, yet the seedlings rapidly return to the basal growth rate when ethylene gas is removed. However, the underlying mechanism governing this acclimation of dark-grown seedlings to ethylene remains enigmatic. Here, we report that ethylene triggers the translocation of the Raf-like protein kinase CONSTITUTIVE TRIPLE RESPONSE1 (CTR1), a negative regulator of ethylene signaling, from the endoplasmic reticulum to the nucleus. Nuclear-localized CTR1 stabilizes the ETHYLENE-INSENSITIVE3 (EIN3) transcription factor by interacting with and inhibiting EIN3-BINDING F-box (EBF) proteins, thus enhancing the ethylene response and delaying growth recovery. Furthermore, Arabidopsis plants with enhanced nuclear-localized CTR1 exhibited improved tolerance to drought and salinity stress. These findings uncover a mechanism of the ethylene signaling pathway that links the spatiotemporal dynamics of cellular signaling components to physiological responses.

Suggested Citation

  • Hye Lin Park & Dong Hye Seo & Han Yong Lee & Arkadipta Bakshi & Chanung Park & Yuan-Chi Chien & Joseph J. Kieber & Brad M. Binder & Gyeong Mee Yoon, 2023. "Ethylene-triggered subcellular trafficking of CTR1 enhances the response to ethylene gas," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-35975-6
    DOI: 10.1038/s41467-023-35975-6
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    References listed on IDEAS

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    1. Yoko Hattori & Keisuke Nagai & Shizuka Furukawa & Xian-Jun Song & Ritsuko Kawano & Hitoshi Sakakibara & Jianzhong Wu & Takashi Matsumoto & Atsushi Yoshimura & Hidemi Kitano & Makoto Matsuoka & Hitoshi, 2009. "The ethylene response factors SNORKEL1 and SNORKEL2 allow rice to adapt to deep water," Nature, Nature, vol. 460(7258), pages 1026-1030, August.
    2. Wangshu Mou & Yun-Ting Kao & Erwan Michard & Alexander A. Simon & Dongdong Li & Michael M. Wudick & Michael A. Lizzio & José A. Feijó & Caren Chang, 2020. "Ethylene-independent signaling by the ethylene precursor ACC in Arabidopsis ovular pollen tube attraction," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
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    Cited by:

    1. Yi-Hua Huang & Jia-Qi Han & Biao Ma & Wu-Qiang Cao & Xin-Kai Li & Qing Xiong & He Zhao & Rui Zhao & Xun Zhang & Yang Zhou & Wei Wei & Jian-Jun Tao & Wan-Ke Zhang & Wenfeng Qian & Shou-Yi Chen & Chao Y, 2023. "A translational regulator MHZ9 modulates ethylene signaling in rice," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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