期刊
CRISPR JOURNAL
卷 5, 期 5, 页码 642-659出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/crispr.2022.0052
关键词
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资金
- EPSRC & BBSRC Centrefor Doctoral Training in Synthetic Biology, University of Oxford
- EvOX Therapeutics [EP/L016494/1]
- Wadham College
- WellcomeTrust Senior Research Fellow
- [215615/Z/19/Z]
CRISPR-Cas9 has become a major tool for genome manipulation. Recent studies have shown that the activity of CRISPR can be controlled by sensing the expression levels of endogenous transcripts, which is of great significance for studying cell types, disease states, and environmental challenges.
CRISPR-Cas9 has emerged as a major genome manipulation tool. As Cas9 can cause off-target effects, several methods for controlling the expression of CRISPR systems were developed. Recent studies have shown that CRISPR activity could be controlled by sensing expression levels of endogenous transcripts. This is particularly interesting, as endogenous RNAs could harbor important information about the cell type, disease state, and environmental challenges cells are facing. Single-guide RNA (sgRNA) engineering played a major role in the development of RNA-responsive CRISPR systems. Following further optimizations, RNA-responsive sgRNAs could enable the development of novel therapeutic and research applications. This review introduces engineering strategies that could be employed to modify Streptococcus pyogenes sgRNAs with a focus on recent advances made toward the development of RNA-responsive sgRNAs. Future directions and potential applications of these technologies are also discussed.
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