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OsMADS17 simultaneously increases grain number and grain weight in rice

Author

Listed:
  • Yuanjie Li

    (China Agricultural University
    Hunan Academy of Agricultural Sciences
    Tsinghua University)

  • Sheng Wu

    (China Agricultural University
    Tsinghua University)

  • Yongyu Huang

    (China Agricultural University)

  • Xin Ma

    (China Agricultural University)

  • Lubin Tan

    (China Agricultural University)

  • Fengxia Liu

    (China Agricultural University)

  • Qiming Lv

    (Hunan Academy of Agricultural Sciences)

  • Zuofeng Zhu

    (China Agricultural University)

  • Meixia Hu

    (Hunan Academy of Agricultural Sciences)

  • Yongcai Fu

    (China Agricultural University)

  • Kun Zhang

    (China Agricultural University)

  • Ping Gu

    (China Agricultural University)

  • Daoxin Xie

    (Tsinghua University)

  • Hongying Sun

    (China Agricultural University)

  • Chuanqing Sun

    (China Agricultural University
    Hunan Academy of Agricultural Sciences)

Abstract

During the processes of rice domestication and improvement, a trade-off effect between grain number and grain weight was a major obstacle for increasing yield. Here, we identify a critical gene COG1, encoding the transcription factor OsMADS17, with a 65-bp deletion in the 5′ untranslated region (5′ UTR) presented in cultivated rice increasing grain number and grain weight simultaneously through decreasing mRNA translation efficiency. OsMADS17 controls grain yield by regulating multiple genes and that the interaction with one of them, OsAP2-39, has been characterized. Besides, the expression of OsMADS17 is regulated by OsMADS1 directly. It indicates that OsMADS1-OsMADS17-OsAP2-39 participates in the regulatory network controlling grain yield, and downregulation of OsMADS17 or OsAP2-39 expression can further improve grain yield by simultaneously increasing grain number and grain weight. Our findings provide insights into understanding the molecular basis co-regulating rice yield-related traits, and offer a strategy for breeding higher-yielding rice varieties.

Suggested Citation

  • Yuanjie Li & Sheng Wu & Yongyu Huang & Xin Ma & Lubin Tan & Fengxia Liu & Qiming Lv & Zuofeng Zhu & Meixia Hu & Yongcai Fu & Kun Zhang & Ping Gu & Daoxin Xie & Hongying Sun & Chuanqing Sun, 2023. "OsMADS17 simultaneously increases grain number and grain weight in rice," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38726-9
    DOI: 10.1038/s41467-023-38726-9
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    References listed on IDEAS

    as
    1. Xing Huo & Shuang Wu & Zuofeng Zhu & Fengxia Liu & Yongcai Fu & Hongwei Cai & Xianyou Sun & Ping Gu & Daoxin Xie & Lubin Tan & Chuanqing Sun, 2017. "NOG1 increases grain production in rice," Nature Communications, Nature, vol. 8(1), pages 1-11, December.
    2. Qian Liu & Ruixi Han & Kun Wu & Jianqing Zhang & Yafeng Ye & Shuansuo Wang & Jianfeng Chen & Yajun Pan & Qi Li & Xiaopeng Xu & Jiawu Zhou & Dayun Tao & Yuejin Wu & Xiangdong Fu, 2018. "G-protein βγ subunits determine grain size through interaction with MADS-domain transcription factors in rice," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    3. Yongzhen Wu & Shuangshuang Zhao & Xianran Li & Bosen Zhang & Liyun Jiang & Yanyan Tang & Jie Zhao & Xin Ma & Hongwei Cai & Chuanqing Sun & Lubin Tan, 2018. "Deletions linked to PROG1 gene participate in plant architecture domestication in Asian and African rice," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
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