Journal of Virology & Antiviral ResearchISSN: 2324-8955

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Commentary, J Virol Antivir Res Vol: 10 Issue: 1

RNA Interference Technique

Bharathi Bhusurapalli *

Department of pharmacy, Avanti college Pharmaceutics, Guntur, Andhra Pradesh, India

*Corresponding author

Department of pharmacy, Avanti college Pharmaceutics, Guntur, Andhra Pradesh, India

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Received: January 06, 2019 Accepted: January 20, 2020 Published: January 27, 2020

Citation: Bhusurapalli B (2021) RNA Interference Technique. J Virol Antivir Res 10:1,207.


RNA interference is a biological proceeding in which RNA molecules inhibit gene expression or translation by offsetting attacked mRNA molecules. Double-stranded RNA-mediated interference (RNAi) is a simple and prompt method of silencing gene expression in a extent of organisms. The silencing of a gene is a outcome of deteoriation of RNA into short RNAs that activate ribonucleases to target homologous mRNA. The resulting phenotypes either are interchangeable to those of genetic null mutants or resemble an allelic series of mutants. Specific gene silencing has been shown to be related to two formaer processes, suppression in plants and quelling in fungi and has also been associated with risk management processes such as transposon silencing, protease inhibitor defence implements, gene regulation, and chromosomal reduction.

Keywords: RNA; Interference Technique; Caenorhabditis


RNAi was first discovered in Caenorhabditis elegant and plants but it can also be utilized to generate gene silencing in a miscellaneous range of organisms including fungi, protozoans and metazoan animals. Indeed, the same proteins are required for RNAi in progressions of diverse organisms, suggesting that RNAi is an ancient and conserved pathway frequent to most eukaryotes. The researcher proposed that interferon induction results from the accumulation of unprocessed or atypical processed polymerase III transcripts when the siRNA processing pathway becomes saturated. Attribute the structure and function interconnection to a gene and modulating its appearance to manifest the desired phenotype have been major provocations for scientists. In order to elucidate the phenotypes associated with a given gene, various gene-targeting techniques have been tried with mixed success. Most operative genomic experiments only indirectly scrutinize gene function. For example RNA expression profiling and protein interchange mapping associate candidate genes that may be involved in a particular process but these candidates require subsequent assessment validation.

By contrast, genetic strategies can immediate identify genes essential for a biological process but are limited in their through put by the requirement to identify the mutations contractible for a particular phenotype.


The natural RNAi biology of eukaryotic cells offers a protection mechanism against foreign nucleic acids; however, only in the recent past has the exploitation of its mechanistic details sparked a revolution in the investigation of cellular gene functions. Transcriptional adjustment with the dsRNA technology produces an easy means to identify cellular features in response to both internal and external portions. Desirable applications of this technique include experimental and cell type-specific expression patterns. Complete plant genome sequences has brought new dimensions in genetic modification to develop plant characteristics. Scientists believed that they could assemble any gene products by just introducing distant genes in plants, which was not always the case.


As people gain more insight into the mechanisms, more effective methods for analysis of gene functions may evolve. People may learn more about geriatrics, nervous diseases and genetic imprints, nuclear dominance in plants and so on and thus might wield control over such processes in the future. Plant biologists found out that introducing numerous copies of a gene that codes for purple petunia flowers led not as anticipated to a deeper purple hue but rather to plants with white or variegated flowers. Through an unknown mechanism, the introduced transgenes were silenced as well as the plant’s ‘purple-flower’ gene. In another research, gene silencing was also observed when plants were contaminating with RNA viruses engineered to contain fragments of the plant gene.

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