Genome-Wide CRISPR/Cas9 Screening for High-Throughput Functional Genomics in Human Cells

Area of Science:

• Molecular Biology
• Genetics
• Biotechnology

Background:

• Identifying gene function is crucial for understanding biological processes.
• High-throughput methods are needed to accelerate functional genomics research.
• The CRISPR/Cas9 system offers a powerful tool for genetic manipulation.

Purpose of the Study:

• To describe a general method for generating a genome-scale lentiviral single-guide RNA (sgRNA) library.
• To demonstrate pooled function-based screening in human cells using this library.
• To provide a protocol for rapid gene function identification.

Main Methods:

• Construction of a genome-scale lentiviral single-guide RNA (sgRNA) library.
• Pooled screening of the sgRNA library in human cell populations.
• Application of CRISPR/Cas9 technology for gene perturbation.

Main Results:

• Successful generation of a comprehensive sgRNA library.
• Demonstration of pooled screening for functional genomics.
• Identification of genes involved in various biological processes.

Conclusions:

• The described protocol enables high-throughput gene function identification.
• This method facilitates rapid discovery in diverse biological contexts.
• The CRISPR/Cas9-based approach is valuable for functional genomics research.