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Genome-wide associated study identifies NAC42-activated nitrate transporter conferring high nitrogen use efficiency in rice

Author

Listed:
  • Weijie Tang

    (Nanjing Agricultural University
    Jiangsu Plant Gene Engineering Research Center)

  • Jian Ye

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

  • Xiangmei Yao

    (Chinese Academy of Sciences)

  • Pingzhi Zhao

    (Chinese Academy of Sciences)

  • Wei Xuan

    (Nanjing Agricultural University)

  • Yunlu Tian

    (Nanjing Agricultural University)

  • Yuanyan Zhang

    (Nanjing Agricultural University)

  • Shuang Xu

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

  • Hongzhou An

    (Nanjing Agricultural University)

  • Gaoming Chen

    (Nanjing Agricultural University)

  • Jun Yu

    (Nanjing Agricultural University)

  • Wei Wu

    (Nanjing Agricultural University)

  • Yuwei Ge

    (Nanjing Agricultural University)

  • Xiaolan Liu

    (Nanjing Agricultural University)

  • Jin Li

    (Nanjing Agricultural University)

  • Hanzhi Zhang

    (Nanjing Agricultural University)

  • Yaqin Zhao

    (Nanjing Agricultural University)

  • Bing Yang

    (Nanjing Agricultural University)

  • Xingzhou Jiang

    (Nanjing Agricultural University)

  • Chao Peng

    (Nanjing Agricultural University)

  • Cong Zhou

    (Nanjing Agricultural University)

  • William Terzaghi

    (Wilkes University)

  • Chunming Wang

    (Nanjing Agricultural University
    Jiangsu Plant Gene Engineering Research Center)

  • Jianmin Wan

    (Nanjing Agricultural University
    Chinese Academy of Agricultural Sciences)

Abstract

Over-application of nitrogen fertilizer in fields has had a negative impact on both environment and human health. Domesticated rice varieties with high nitrogen use efficiency (NUE) reduce fertilizer for sustainable agriculture. Here, we perform genome-wide association analysis of a diverse rice population displaying extreme nitrogen-related phenotypes over three successive years in the field, and identify an elite haplotype of nitrate transporter OsNPF6.1HapB that enhances nitrate uptake and confers high NUE by increasing yield under low nitrogen supply. OsNPF6.1HapB differs in both the protein and promoter element with natural variations, which are differentially trans-activated by OsNAC42, a NUE-related transcription factor. The rare natural allele OsNPF6.1HapB, derived from variation in wild rice and selected for enhancing both NUE and yield, has been lost in 90.3% of rice varieties due to the increased application of fertilizer. Our discovery highlights this NAC42-NPF6.1 signaling cascade as a strategy for high NUE and yield breeding in rice.

Suggested Citation

  • Weijie Tang & Jian Ye & Xiangmei Yao & Pingzhi Zhao & Wei Xuan & Yunlu Tian & Yuanyan Zhang & Shuang Xu & Hongzhou An & Gaoming Chen & Jun Yu & Wei Wu & Yuwei Ge & Xiaolan Liu & Jin Li & Hanzhi Zhang , 2019. "Genome-wide associated study identifies NAC42-activated nitrate transporter conferring high nitrogen use efficiency in rice," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13187-1
    DOI: 10.1038/s41467-019-13187-1
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    Cited by:

    1. Qin Sun & Yunfu Li & Dianming Gong & Aoqing Hu & Wanshun Zhong & Hailiang Zhao & Qiang Ning & Zengdong Tan & Kun Liang & Luyao Mu & David Jackson & Zuxin Zhang & Fang Yang & Fazhan Qiu, 2022. "A NAC-EXPANSIN module enhances maize kernel size by controlling nucellus elimination," Nature Communications, Nature, vol. 13(1), pages 1-14, December.

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