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High-efficiency green management of potato late blight by a self-assembled multicomponent nano-bioprotectant

Author

Listed:
  • Yuxi Wang

    (China Agricultural University)

  • Mingshan Li

    (China Agricultural University)

  • Jiahan Ying

    (China Agricultural University)

  • Jie Shen

    (China Agricultural University)

  • Daolong Dou

    (China Agricultural University
    Nanjing Agricultural University)

  • Meizhen Yin

    (Beijing University of Chemical Technology)

  • Stephen C. Whisson

    (James Hutton Institute)

  • Paul R. J. Birch

    (James Hutton Institute
    University of Dundee (at James Hutton Institute))

  • Shuo Yan

    (China Agricultural University)

  • Xiaodan Wang

    (China Agricultural University)

Abstract

Potato late blight caused by Phytophthora infestans is a devastating disease worldwide. Unlike other plant pathogens, double-stranded RNA (dsRNA) is poorly taken up by P. infestans, which is a key obstacle in using dsRNA for disease control. Here, a self-assembled multicomponent nano-bioprotectant for potato late blight management is designed based on dsRNA and a plant elicitor. Nanotechnology overcomes the dsRNA delivery bottleneck for P. infestans and extends the RNAi protective window. The protective effect of nano-enabled dsRNA against infection arises from a synergistic mechanism that bolsters the stability of dsRNA and optimizes its effective intracellular delivery. Additionally, the nano-enabled elicitor enhances endocytosis and amplifies the systemic defense response of the plants. Co-delivery of dsRNA and an elicitor provides a protective effect via the two aspects of pathogen inhibition and elevated plant defense mechanisms. The multicomponent nano-bioprotectant exhibits superior control efficacy compared to a commercial synthetic pesticide in field conditions. This work proposes an eco-friendly strategy to manage devastating plant diseases and pests.

Suggested Citation

  • Yuxi Wang & Mingshan Li & Jiahan Ying & Jie Shen & Daolong Dou & Meizhen Yin & Stephen C. Whisson & Paul R. J. Birch & Shuo Yan & Xiaodan Wang, 2023. "High-efficiency green management of potato late blight by a self-assembled multicomponent nano-bioprotectant," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41447-8
    DOI: 10.1038/s41467-023-41447-8
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    References listed on IDEAS

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