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Variation in a Poaceae-conserved fatty acid metabolic gene cluster controls rice yield by regulating male fertility

Author

Listed:
  • Chenkun Yang

    (Hainan University
    Yazhouwan National Laboratory)

  • Shuangqian Shen

    (Yazhouwan National Laboratory)

  • Chuansong Zhan

    (Yazhouwan National Laboratory)

  • Yufei Li

    (Hainan University
    Hainan Seed Industry Laboratory)

  • Ran Zhang

    (Hainan University)

  • Yuanyuan Lv

    (Yazhouwan National Laboratory)

  • Zhuang Yang

    (Hainan University)

  • Junjie Zhou

    (Hainan University)

  • Yuheng Shi

    (Yazhouwan National Laboratory)

  • Xianqing Liu

    (Hainan University)

  • Jianxin Shi

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Dabing Zhang

    (Shanghai Jiao Tong University
    Shanghai Jiao Tong University)

  • Alisdair R. Fernie

    (Max Planck Institute of Molecular Plant Physiology)

  • Jie Luo

    (Hainan University
    Yazhouwan National Laboratory)

Abstract

A wide variety of metabolic gene clusters exist in eukaryotic genomes, but fatty acid metabolic gene clusters have not been discovered. Here, combining with metabolic and phenotypic genome-wide association studies, we identify a major locus containing a six-gene fatty acid metabolic gene cluster on chromosome 3 (FGC3) that controls the cutin monomer hydroxymonoacylglycerols (HMGs) contents and rice yield, possibly through variation in the transcription of FGC3 members. We show that HMGs are sequentially synthesized in the endoplasmic reticulum by OsFAR2, OsKCS11, OsGPAT6, OsCYP704B2 and subsequently transported to the apoplast by OsABCG22 and OsLTPL82. Mutation of FGC3 members reduces HMGs, leading to defective male reproductive development and a significant decrease in yield. OsMADS6 and OsMADS17 directly regulate FGC3 and thus influence male reproduction and yield. FGC3 is conserved in Poaceae and likely formed prior to the divergence of Pharus latifolius. The eukaryotic fatty acid and plant primary metabolic gene cluster we identified show a significant impact on the origin and evolution of Poaceae and has potential for application in hybrid crop breeding.

Suggested Citation

  • Chenkun Yang & Shuangqian Shen & Chuansong Zhan & Yufei Li & Ran Zhang & Yuanyuan Lv & Zhuang Yang & Junjie Zhou & Yuheng Shi & Xianqing Liu & Jianxin Shi & Dabing Zhang & Alisdair R. Fernie & Jie Luo, 2024. "Variation in a Poaceae-conserved fatty acid metabolic gene cluster controls rice yield by regulating male fertility," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51145-8
    DOI: 10.1038/s41467-024-51145-8
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    References listed on IDEAS

    as
    1. Zheyong Xue & Xia Xu & Yuan Zhou & Xiaoning Wang & Yingchun Zhang & Dan Liu & Binbin Zhao & Lixin Duan & Xiaoquan Qi, 2018. "Deficiency of a triterpene pathway results in humidity-sensitive genic male sterility in rice," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
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