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Epigenetic modifications regulate cultivar-specific root development and metabolic adaptation to nitrogen availability in wheat

Author

Listed:
  • Hao Zhang

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

  • Zhiyuan Jin

    (Hebei Normal University
    Hebei Collaboration Innovation Center for Cell Signaling)

  • Fa Cui

    (Ludong University)

  • Long Zhao

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

  • Xiaoyu Zhang

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

  • Jinchao Chen

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

  • Jing Zhang

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

  • Yanyan Li

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Yongpeng Li

    (Chinese Academy of Sciences)

  • Yanxiao Niu

    (Hebei Normal University
    Hebei Collaboration Innovation Center for Cell Signaling)

  • Wenli Zhang

    (Nanjing Agricultural University)

  • Caixia Gao

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

  • Xiangdong Fu

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

  • Yiping Tong

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

  • Lei Wang

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Hong-Qing Ling

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Hainan Yazhou Bay Seed Laboratory)

  • Junming Li

    (Hebei Collaboration Innovation Center for Cell Signaling
    Ludong University
    Chinese Academy of Sciences)

  • Jun Xiao

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Centre of Excellence for Plant and Microbial Science (CEPAMS), JIC-CAS)

Abstract

The breeding of crops with improved nitrogen use efficiency (NUE) is crucial for sustainable agriculture, but the involvement of epigenetic modifications remains unexplored. Here, we analyze the chromatin landscapes of two wheat cultivars (KN9204 and J411) that differ in NUE under varied nitrogen conditions. The expression of nitrogen metabolism genes is closely linked to variation in histone modification instead of differences in DNA sequence. Epigenetic modifications exhibit clear cultivar-specificity, which likely contributes to distinct agronomic traits. Additionally, low nitrogen (LN) induces H3K27ac and H3K27me3 to significantly enhance root growth in KN9204, while remarkably inducing NRT2 in J411. Evidence from histone deacetylase inhibitor treatment and transgenic plants with loss function of H3K27me3 methyltransferase shows that changes in epigenetic modifications could alter the strategy preference for root development or nitrogen uptake in response to LN. Here, we show the importance of epigenetic regulation in mediating cultivar-specific adaptation to LN in wheat.

Suggested Citation

  • Hao Zhang & Zhiyuan Jin & Fa Cui & Long Zhao & Xiaoyu Zhang & Jinchao Chen & Jing Zhang & Yanyan Li & Yongpeng Li & Yanxiao Niu & Wenli Zhang & Caixia Gao & Xiangdong Fu & Yiping Tong & Lei Wang & Hon, 2023. "Epigenetic modifications regulate cultivar-specific root development and metabolic adaptation to nitrogen availability in wheat," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-44003-6
    DOI: 10.1038/s41467-023-44003-6
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    1. Xinping Chen & Zhenling Cui & Mingsheng Fan & Peter Vitousek & Ming Zhao & Wenqi Ma & Zhenlin Wang & Weijian Zhang & Xiaoyuan Yan & Jianchang Yang & Xiping Deng & Qiang Gao & Qiang Zhang & Shiwei Guo , 2014. "Producing more grain with lower environmental costs," Nature, Nature, vol. 514(7523), pages 486-489, October.
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