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Related Concept Videos

Experimental RNAi02:15

Experimental RNAi

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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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RNA Interference01:23

RNA Interference

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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
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Related Experiment Video

Updated: Dec 22, 2025

Double-stranded RNA Oral Delivery Methods to Induce RNA Interference in Phloem and Plant-sap-feeding Hemipteran Insects
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Double-Stranded RNA Technology to Control Insect Pests: Current Status and Challenges.

Olivier Christiaens1, Steve Whyard2, Ana M Vélez3

  • 1Department of Plants and Crops, Ghent University, Ghent, Belgium.

Frontiers in Plant Science
|May 7, 2020
PubMed
Summary

RNA interference (RNAi) offers a promising pest control method by silencing essential insect genes. This review examines current RNAi products, delivery strategies, and barriers to efficacy, highlighting novel technologies for effective pest management.

Keywords:
RNA interferenceRNAidsRNAhost-induced gene silencing (HIGS)insect pestspest managementspray-induced gene silencing (SIGS)virus-induced gene silencing (VIGS)

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Area of Science:

  • Agricultural Entomology
  • Molecular Biology
  • Biotechnology

Background:

  • RNA interference (RNAi) is a gene silencing mechanism with potential for pest control.
  • Early commercial RNAi products are emerging, but broad application faces challenges.
  • Understanding delivery and barriers is crucial for effective RNAi-based pest management.

Purpose of the Study:

  • To review the current status of RNAi-based pest control products.
  • To discuss various delivery strategies for double-stranded RNA (dsRNA) in insects.
  • To identify physiological and cellular barriers affecting RNAi efficacy and explore novel delivery solutions.

Main Methods:

  • Literature review of RNAi technology in pest control.
  • Analysis of current commercial RNAi products and their applications.
  • Evaluation of different dsRNA delivery methods and their effectiveness.
  • Discussion of physiological and cellular barriers impacting RNAi efficacy.
  • Exploration of novel non-transgenic delivery systems.

Main Results:

  • RNAi is a viable strategy for pest control, with initial products entering the market.
  • Effective delivery of dsRNA molecules to target insects remains a key challenge.
  • Physiological and cellular barriers can significantly reduce RNAi efficacy in various insect species.
  • Novel delivery technologies show promise in overcoming these barriers.

Conclusions:

  • RNAi-based pest control holds significant promise but requires overcoming delivery and efficacy challenges.
  • Further research into advanced delivery systems is essential for widespread adoption.
  • Novel non-transgenic delivery technologies like nanoparticles and viral-like particles could enhance RNAi efficacy for sustainable pest management.