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Custom Knock-Outs with Hairpin RNA-Mediated Gene Silencing

 Last Update: 2020-11-19
 Source: Internet
 Author: User

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rna degradation

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Hairpin (hpRNA)-mediated gene silencing exploits a cellular mechanism that recognizes double-stranded RNA (dsRNA) and subjects it and its corresponding mRNA to a sequence-specific degradation. This phenomenon is known as posttranscriptional gene silencing (PTGS) in plants and RNA interference (RNAi) in animals. dsRNA, when introduced into plant cells through hpRNA constructs, results in severe reduction of the target mRNA—the silencing effect being stably inherited over many generations. While hpRNA constructs can be made using conventional plasmids, use of generic vectors such as pHANNIBAL makes it more convenient to silence a number of genes simultaneously. Vectors, such as pHELLSGATE, that are based on the Gateway� technology are suitable for high-throughput gene silencing. The specificity of dsRNA silencing, it’s ability to simultaneously silence multiple genes combined with the availability of high-throughput silencing vectors enables the researcher to generate custom knockout plants.

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