ArticleScientific reports2021
Engineering of the genome editing protein Cas9 to slide along DNA.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- Single-molecule perspectives of CRISPR/Cas systems: target search, recognition, and cleavage.BMB reports · 2025Review
- Live-cell imaging reveals the trade-off between target search flexibility and efficiency for Cas9 and Cas12a.Nucleic acids research · 2024Article
- Designing Epigenome Editors: Considerations of Biochemical and Locus Specificities.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Single-molecule characterization of target search dynamics of DNA-binding proteins in DNA-condensed droplets.Nucleic acids research · 2023Article
- Structure-dependent recruitment and diffusion of guest proteins in liquid droplets of FUS.Scientific reports · 2022Article
- Molecular principles of recruitment and dynamics of guest proteins in liquid droplets.Scientific reports · 2021Article
- Single-Molecule Microscopy Meets Molecular Dynamics Simulations for Characterizing the Molecular Action of Proteins on DNA and in Liquid Condensates.Frontiers in molecular biosciences · 2021Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genome editing protein Cas9 faces engineering challenges in improving off-target DNA cleavage and low editing efficiency. In this study, we aimed to engineer Cas9 to be able to slide along DNA, which might facilitate genome editing and reduce off-target cleavage. We used two approaches to achieve this: reducing the sliding friction along DNA by removing the interactions of Cas9 residues with DNA and facilitating sliding by introducing the sliding-promoting tail of Nhp6A. Seven engineered mutants of Cas9 were prepared, and their performance was tested using single-molecule fluorescence microscopy. Comparison of the mutations enabled the identification of key residues of Cas9 to enhance the sliding along DNA in the presence and absence of single guide RNA (sgRNA). The attachment of the tail to Cas9 mutants enhanced sliding along DNA, particularly in the presence of sgRNA. Together, using the proposed approaches, the sliding ability of Cas9 was improved up to eightfold in the presence of sgRNA. A sliding model of Cas9 and its engineering action are discussed herein.
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