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How does saliva function in planthopper-host interactions?

Hai-Jian Huang1, Chuan-Xi Zhang2, Xiao-Yue Hong1

  • 1Department of Entomology, Nanjing Agricultural University, Nanjing, Jiangsu, China.

Archives of Insect Biochemistry and Physiology
|January 23, 2019
PubMed
Summary
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Planthopper saliva plays a key role in damaging rice crops and transmitting viruses. Recent research on planthopper saliva components offers insights into pest performance and new control strategies.

Keywords:
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Area of Science:

  • Agricultural Entomology
  • Molecular Biology
  • Plant Pathology

Background:

  • Planthoppers are significant agricultural pests, causing substantial damage to rice crops.
  • These insects transmit viral diseases and feed on plant phloem sap.
  • Planthopper saliva is crucial for feeding and plant-insect interactions.

Purpose of the Study:

  • To review recent advances in understanding planthopper saliva.
  • To discuss how salivary components affect planthopper performance.
  • To highlight the importance of saliva in planthopper-plant interactions for pest control.

Main Methods:

  • Genomic, transcriptomic, and proteomic approaches have advanced the study of planthopper saliva.
  • Analysis of salivary components and their functions.
  • Review of recent literature on planthopper-plant interactions.

Main Results:

  • Planthopper saliva is complex and plays a vital role in phloem sap feeding.
  • Salivary components facilitate nutrient uptake and can influence plant defense responses.
  • Recent studies have elucidated specific salivary proteins involved in planthopper performance.

Conclusions:

  • Understanding the molecular mechanisms of planthopper saliva is key to comprehending insect-plant interactions.
  • Saliva research provides insights into planthopper evolution and performance.
  • This knowledge can lead to novel strategies for managing planthopper pests in agriculture.