Journal of Pest Science

, Volume 93, Issue 1, pp 449–459 | Cite as

Spray method application of transdermal dsRNA delivery system for efficient gene silencing and pest control on soybean aphid Aphis glycines

  • Shuo Yan
  • Jin Qian
  • Chong Cai
  • Zhongzheng Ma
  • Jianhao Li
  • Meizhen Yin
  • Binyuan Ren
  • Jie ShenEmail author
Original Paper


RNA interference (RNAi) has been recognized as a novel and safe strategy in pest management due to its high sequence-dependent specificity. However, the existing dsRNA delivery methods largely restrict the application of the RNAi-based pest management strategy; thus, we previously constructed a nanocarrier-based transdermal dsRNA delivery system on the soybean aphid Aphis glycines with the help of nanocarrier and detergent. In the current study, we improved our transdermal dsRNA delivery system with a smaller and cheaper nanocarrier to investigate the efficacy of spraying aphid-infested soybean seedlings to apply our RNA pesticide. A dsRNA/nanocarrier/detergent formulation was performed, and the dsRNA could penetrate the aphid body wall within 4 h with the help of nanocarrier through the topical application. Four potential RNAi target genes (TREH, ATPD, ATPE and CHS1) were selected and cloned, and their dsRNA fragments were synthesized and tested through the transdermal dsRNA delivery system. The delivered dsRNA efficiently silenced the target gene expression with the knockdown effects ranging from 86.86 to 58.87% and resulted in a high mortality up to 81.67% (dsATPD + dsATPE) through the topical application, when through the spray method, with the highest percent mortality of 78.50% (dsATPD + dsCHS1). Our novel transdermal dsRNA delivery system not only provides a powerful tool for gene functional analysis in laboratory, but also shows a great potential for the pest management in the field, which will promote the practice and development of RNAi-based pest management.


Aphis glycines Nanocarrier Pest management RNA pesticide dsRNA delivery system 



We would like to thank Dr. Dunlun Song and Dr. Zhen Li for providing the transcriptome data.


This research was supported by the Beijing Natural Science Foundation (6182020), National Key Research and Development Program (2017YFD0201200) and Natural Science Foundation of China (31900363).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Supplementary material

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Entomology and MOA Key Laboratory for Monitory and Green Control of Crop PestChina Agricultural UniversityBeijingPeople’s Republic of China
  2. 2.State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical MaterialsBeijing University of Chemical TechnologyBeijingPeople’s Republic of China
  3. 3.National Agricultural Technology Extension and Service CenterBeijingPeople’s Republic of China

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