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A translational regulator MHZ9 modulates ethylene signaling in rice

Author

Listed:
  • Yi-Hua Huang

    (Chinese Academy of Sciences)

  • Jia-Qi Han

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Biao Ma

    (College of Agriculture, South China Agricultural University)

  • Wu-Qiang Cao

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Xin-Kai Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Qing Xiong

    (Sichuan Agricultural University)

  • He Zhao

    (Chinese Academy of Sciences)

  • Rui Zhao

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Xun Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yang Zhou

    (Chinese Academy of Sciences)

  • Wei Wei

    (Chinese Academy of Sciences)

  • Jian-Jun Tao

    (Chinese Academy of Sciences)

  • Wan-Ke Zhang

    (Chinese Academy of Sciences)

  • Wenfeng Qian

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Shou-Yi Chen

    (Chinese Academy of Sciences)

  • Chao Yang

    (China Agricultural University)

  • Cui-Cui Yin

    (Chinese Academy of Sciences)

  • Jin-Song Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Ethylene plays essential roles in rice growth, development and stress adaptation. Translational control of ethylene signaling remains unclear in rice. Here, through analysis of an ethylene-response mutant mhz9, we identified a glycine-tyrosine-phenylalanine (GYF) domain protein MHZ9, which positively regulates ethylene signaling at translational level in rice. MHZ9 is localized in RNA processing bodies. The C-terminal domain of MHZ9 interacts with OsEIN2, a central regulator of rice ethylene signaling, and the N-terminal domain directly binds to the OsEBF1/2 mRNAs for translational inhibition, allowing accumulation of transcription factor OsEIL1 to activate the downstream signaling. RNA-IP seq and CLIP-seq analyses reveal that MHZ9 associates with hundreds of RNAs. Ribo-seq analysis indicates that MHZ9 is required for the regulation of ~ 90% of genes translationally affected by ethylene. Our study identifies a translational regulator MHZ9, which mediates translational regulation of genes in response to ethylene, facilitating stress adaptation and trait improvement in rice.

Suggested Citation

  • 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.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40429-0
    DOI: 10.1038/s41467-023-40429-0
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    References listed on IDEAS

    as
    1. He Zhao & Kai-Xuan Duan & Biao Ma & Cui-Cui Yin & Yang Hu & Jian-Jun Tao & Yi-Hua Huang & Wu-Qiang Cao & Hui Chen & Chao Yang & Zhi-Guo Zhang & Si-Jie He & Wan-Ke Zhang & Xiang-Yuan Wan & Tie-Gang Lu , 2020. "Histidine kinase MHZ1/OsHK1 interacts with ethylene receptors to regulate root growth in rice," Nature Communications, Nature, vol. 11(1), pages 1-13, December.
    2. Fan Zhang & Bin Qi & Likai Wang & Bo Zhao & Siddharth Rode & Nathaniel D. Riggan & Joseph R. Ecker & Hong Qiao, 2016. "EIN2-dependent regulation of acetylation of histone H3K14 and non-canonical histone H3K23 in ethylene signalling," Nature Communications, Nature, vol. 7(1), pages 1-14, December.
    3. 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.
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