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Lanthanum(III) triggers AtrbohD- and jasmonic acid-dependent systemic endocytosis in plants

Author

Listed:
  • Mengzhu Cheng

    (Nanjing Normal University)

  • Lihong Wang

    (Nanjing Normal University
    Jiangnan University)

  • Qing Zhou

    (Jiangnan University)

  • Daiyin Chao

    (Chinese Academy of Sciences)

  • Shingo Nagawa

    (Fujian Agriculture and Forestry University
    Chinese Academy of Sciences)

  • Ding He

    (Jiangnan University)

  • Jiazhi Zhang

    (Jiangnan University)

  • Hui Li

    (Chinese Academy of Sciences
    East China Normal University)

  • Li Tan

    (Chinese Academy of Sciences)

  • Zhenhong Gu

    (Chinese Academy of Sciences)

  • Xiaohua Huang

    (Nanjing Normal University)

  • Zhenbiao Yang

    (Fujian Agriculture and Forestry University
    University of California)

Abstract

Trivalent rare earth elements (REEs) are widely used in agriculture. Aerially applied REEs enter leaf epidermal cells by endocytosis and act systemically to improve the growth of the whole plant. The mechanistic basis of their systemic activity is unclear. Here, we show that treatment of Arabidopsis leaves with trivalent lanthanum [La(III)], a representative of REEs, triggers systemic endocytosis from leaves to roots. La(III)-induced systemic endocytosis requires AtrbohD-mediated reactive oxygen species production and jasmonic acid. Systemic endocytosis impacts the accumulation of mineral elements and the development of roots consistent with the growth promoting effects induced by aerially applied REEs. These findings provide insights into the mechanistic basis of REE activity in plants.

Suggested Citation

  • Mengzhu Cheng & Lihong Wang & Qing Zhou & Daiyin Chao & Shingo Nagawa & Ding He & Jiazhi Zhang & Hui Li & Li Tan & Zhenhong Gu & Xiaohua Huang & Zhenbiao Yang, 2021. "Lanthanum(III) triggers AtrbohD- and jasmonic acid-dependent systemic endocytosis in plants," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24379-z
    DOI: 10.1038/s41467-021-24379-z
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