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Efficient CRISPR-based genome editing using tandem guide RNAs and editable surrogate reporters
Wuqing Liu1, Shifeng Li1, Yunbin Zhang1
1State Key Laboratory of Cell Biology Shanghai Key Laboratory of Molecular Andrology CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Science University of Chinese Academy of Science Shanghai China.
FEBS Open Bio
|July 11, 2018
Summary
This study enhances clustered regularly interspaced short palindromic repeat (CRISPR) gene editing efficiency using tandem guide RNAs and surrogate reporters. This method significantly boosts editing outcomes and the proportion of modified cells.
Area of Science:
- Molecular Biology
- Gene Editing Technologies
- Biotechnology
Background:
- Clustered regularly interspaced short palindromic repeat (CRISPR)-based gene editing efficiency is crucial, especially with low-activity guide RNAs.
- Optimizing CRISPR-Cas9 systems is essential for effective genome modification.
Purpose of the Study:
- To enhance gene-editing efficiency in challenging scenarios using CRISPR technology.
- To develop a novel strategy for improving the success rate of CRISPR-mediated genetic modifications.
Main Methods:
- Packaging tandem guide RNAs and single-strand annealing-based surrogate reporter cassettes into the CRISPR/CRISPR-associated protein 9 vector.
- Evaluating the impact of this packaging strategy on gene-editing efficiency and cell modification rates.
Main Results:
- Gene-editing efficiency increased by 4.94-6.31-fold compared to standard methods.
- The proportion of genetically modified cells was significantly enriched using the described strategy.
- Demonstrated improved performance of CRISPR/CRISPR-associated protein 9 systems.
Conclusions:
- The developed strategy substantially improves genome-editing efficiency for demanding applications.
- Tandem guide RNAs and surrogate reporters offer a promising approach to enhance CRISPR-based gene editing outcomes.
- This method holds potential for advancing various fields reliant on precise genetic modification.
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