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gene editing

Gene editing is a revolutionary technique in biotechnology that allows scientists to make precise changes to the DNA of an organism. It involves the alteration, addition, or deletion of specific DNA sequences within the genome to modify the genetic information and thereby change the function of genes.

The development of gene editing technologies has been significantly advanced by the discovery and application of tools like CRISPR-Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-associated protein 9). CRISPR-Cas9 is a powerful gene-editing tool derived from the bacterial immune system, which allows researchers to target specific DNA sequences and make precise edits.

The basic steps of gene editing using CRISPR-Cas9 typically include:

1. Designing a guide RNA: A guide RNA (gRNA) is designed to match the DNA sequence of the target gene. It serves as a molecular guide for the CRISPR-Cas9 complex to find and bind to the specific region of the genome.

2. Cas9 nuclease activity: The CRISPR-Cas9 complex, consisting of the Cas9 enzyme and the guide RNA, scans the genome until it finds a match with the target DNA sequence. Once it binds, the Cas9 enzyme cuts the DNA at the desired location.

3. DNA repair: After the DNA is cut, the cell's natural repair mechanisms attempt to fix the break. The repair process can either introduce errors (resulting in gene disruption) or utilize a template (provided in the gene editing process) to guide the repair, leading to a specific modification in the DNA sequence.

Related Biology Tools

  • GenSmart™ Codon Optimization

    GenSmart Optimization is a free online tool for performing codon optimization to improve gene expression. GenScript's patented algorithms are integrated into the tool to optimize the computing capability of high-performance sequence generation.

    Learn More

  • DNA Construct Design Tool

    GenSmart™ Design is a free online DNA construct design tool developed by GenScript. GenSmart™ Design has two design modules, the Create Construct module for individual plasmid design and the Create Library module for DNA library design.

    Learn More

  • Codon Frequency Tables

    This online tool shows commonly used genetic codon frequency table in expression host organisms including Escherichia coli and other common host organisms.

    Learn More

Service and Products

CRISPR Services

Improve genome editing efficiency and accuracy with GenScript’s comprehensive CRISPR/Cas9 genome editing services.

Synthetic sgRNA and crRNA Service

Synthetic CRISPR/Cas9 RNA reagents for genome editing with higher cleavage efficiency and fewer off-target effects.

CRISPR Cell Lines

GenScript’s CRISPR customized stable knockout cell line service will create specific gene knockout in your cell line of interest.

Microbial Gene Editing Services

Highly efficient, seamless genome editing in E.coli using CRISPR technology

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