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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 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.
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Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
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Related Experiment Video

Updated: Mar 13, 2026

Author Spotlight: Advancing Gene Silencing Research in Silkworms with dsRNA Delivery Through Feeding Chitosan Nanoparticles
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RNA Interference in Moths: Mechanisms, Applications, and Progress.

Jin Xu1,2, Xia-Fei Wang3, Peng Chen4

  • 1State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China. xujin2798@126.com.

Genes
|October 25, 2016
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Summary

RNA interference (RNAi) shows promise for moth pest control and gene function studies. Despite challenges, recent advancements have led to successful applications in over 25 moth species.

Keywords:
RNAidsRNAgene functionmothspest control

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Area of Science:

  • Entomology
  • Molecular Biology
  • Genetics

Background:

  • Moths (Lepidoptera) present significant agricultural and forestry challenges, yet some species like the silkworm offer economic benefits.
  • RNA interference (RNAi), discovered in 1998, utilizes double-stranded RNA (dsRNA) to silence specific genes, offering potential for both research and pest management.

Approach:

  • This review synthesizes recent progress in applying RNAi technology to various moth species.
  • It examines diverse dsRNA delivery methods used for gene function analysis and pest control strategies.

Key Points:

  • Over 100 studies across 10 families and 25 moth species demonstrate successful RNAi applications since 2007.
  • RNAi effectively silences target genes, aiding in understanding larval development, reproduction, and immunity.
  • Laboratory and field trials confirm RNAi's potential as a viable moth pest management strategy.

Conclusions:

  • RNAi technology is increasingly effective in moths for both fundamental research and practical pest control.
  • Continued research and development of dsRNA delivery methods will further enhance RNAi applications in Lepidoptera.