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Planthopper salivary sheath protein LsSP1 contributes to manipulation of rice plant defenses

Author

Listed:
  • Hai-Jian Huang

    (Ningbo University
    Ningbo University)

  • Yi-Zhe Wang

    (Ningbo University
    Ningbo University)

  • Li-Li Li

    (Ningbo University
    Ningbo University)

  • Hai-Bin Lu

    (Ningbo University
    Ningbo University)

  • Jia-Bao Lu

    (Ningbo University
    Ningbo University)

  • Xin Wang

    (Ningbo University
    Ningbo University)

  • Zhuang-Xin Ye

    (Ningbo University
    Ningbo University)

  • Ze-Long Zhang

    (Ningbo University
    Ningbo University)

  • Yu-Juan He

    (Ningbo University
    Ningbo University)

  • Gang Lu

    (Ningbo University
    Ningbo University)

  • Ji-Chong Zhuo

    (Ningbo University
    Ningbo University)

  • Qian-Zhuo Mao

    (Ningbo University
    Ningbo University)

  • Zong-Tao Sun

    (Ningbo University
    Ningbo University)

  • Jian-Ping Chen

    (Ningbo University
    Ningbo University)

  • Jun-Min Li

    (Ningbo University
    Ningbo University)

  • Chuan-Xi Zhang

    (Ningbo University
    Ningbo University)

Abstract

Salivary elicitors secreted by herbivorous insects can be perceived by host plants to trigger plant immunity. However, how insects secrete other salivary components to subsequently attenuate the elicitor-induced plant immunity remains poorly understood. Here, we study the small brown planthopper, Laodelphax striatellus salivary sheath protein LsSP1. Using Y2H, BiFC and LUC assays, we show that LsSP1 is secreted into host plants and binds to salivary sheath via mucin-like protein (LsMLP). Rice plants pre-infested with dsLsSP1-treated L. striatellus are less attractive to L. striatellus nymphs than those pre-infected with dsGFP-treated controls. Transgenic rice plants with LsSP1 overexpression rescue the insect feeding defects caused by a deficiency of LsSP1 secretion, consistent with the potential role of LsSP1 in manipulating plant defenses. Our results illustrate the importance of salivary sheath proteins in mediating the interactions between plants and herbivorous insects.

Suggested Citation

  • Hai-Jian Huang & Yi-Zhe Wang & Li-Li Li & Hai-Bin Lu & Jia-Bao Lu & Xin Wang & Zhuang-Xin Ye & Ze-Long Zhang & Yu-Juan He & Gang Lu & Ji-Chong Zhuo & Qian-Zhuo Mao & Zong-Tao Sun & Jian-Ping Chen & Ju, 2023. "Planthopper salivary sheath protein LsSP1 contributes to manipulation of rice plant defenses," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36403-5
    DOI: 10.1038/s41467-023-36403-5
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    References listed on IDEAS

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    1. Kelley Clark & Jessica Yvette Franco & Simon Schwizer & Zhiqian Pang & Eva Hawara & Thomas W. H. Liebrand & Deborah Pagliaccia & Liping Zeng & Fatta B. Gurung & Pengcheng Wang & Jinxia Shi & Yinsheng , 2018. "An effector from the Huanglongbing-associated pathogen targets citrus proteases," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    2. Hai-Jun Xu & Jian Xue & Bo Lu & Xue-Chao Zhang & Ji-Chong Zhuo & Shu-Fang He & Xiao-Fang Ma & Ya-Qin Jiang & Hai-Wei Fan & Ji-Yu Xu & Yu-Xuan Ye & Peng-Lu Pan & Qiao Li & Yan-Yuan Bao & H. Frederik Ni, 2015. "Two insulin receptors determine alternative wing morphs in planthoppers," Nature, Nature, vol. 519(7544), pages 464-467, March.
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    Cited by:

    1. Xin Wang & Haibo Wu & Zhongkai Yu & Jing Wu & Chengcong Lu & Taiyun Wei & Qian Chen, 2024. "Plant viruses exploit insect salivary GAPDH to modulate plant defenses," Nature Communications, Nature, vol. 15(1), pages 1-21, December.

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