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CRISPR interference and its applications | JoVE Visualize

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Information And Computing Sciences

CRISPR interference and its applications

Seyedkhashayar Ghavami¹, Amir Pandi²

¹Department of Biology, University of Groningen, Groningen, Netherlands.

Progress in Molecular Biology and Translational Science|May 3, 2021

View abstract on PubMed

Summary

CRISPR interference (CRISPRi) offers precise gene silencing by using a deactivated Cas9 enzyme and guide RNA to block transcription. This method is valuable for studying gene function in various cells.

Area of Science:

Molecular Biology
Genetics
Biotechnology

Background:

Gene expression control is crucial for understanding cellular functions.
CRISPR interference (CRISPRi) provides sequence-specific gene silencing.
CRISPRi utilizes a catalytically inactive Cas9 (dCas9) and guide RNA (sgRNA).

Purpose of the Study:

To discuss the structure, mechanism, and applications of CRISPR interference technology.
To highlight CRISPRi as a tool for studying gene function and cellular processes.

Main Methods:

Utilizing a catalytically inactivated Cas9 (dCas9) protein.
Employing a single guide RNA (sgRNA) for target DNA recognition.
The dCas9/sgRNA complex binds to target DNA, inhibiting transcription.

Main Results:

CRISPRi enables highly specific transcriptional silencing in prokaryotic and eukaryotic cells.
The dCas9/sgRNA complex physically obstructs transcription initiation or elongation.
This system allows for targeted gene knockdown without altering DNA sequence.

Conclusions:

CRISPRi is a versatile and powerful tool for functional genomics.
Understanding CRISPRi mechanism and structure facilitates its application in research.
CRISPRi opens new avenues for studying gene functions and cellular pathways.

Keywords:

CRISPR interference

Artificial Intelligence

Intelligent Robotics

Crispr Interference And Its Applications

Gene regulation