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DOI :
10.3791/59202-v
•
11:37 min
February 26th, 2019
Chapters
0:04
Title
1:45
Positive and Negative Screening for Evolving Cas9
4:47
Delivery of Cas9 as an RNP with Truncated sgRNA
6:17
RNP Delivery
7:27
Transfection of Plasmids Encoding Sniper-Cas9 and sgRNA
9:01
Targeted Deep Sequencing for the Analysis of On-target and Potential Off-target Sites
9:29
Results: Analysis of Sniper-screen, On-target and Off-target Activities
10:37
Conclusion
在这里, 我们提出了一个优化 crispr-cas9 的协议, 以实现更高的特异性, 而不会丢失目标活动。我们使用一种称为狙击手屏幕的定向进化方法来查找具有所需特征的突变 cas9。sanicper-cas9 与截断的单导轨 rna 兼容, 并以核糖核酸蛋白格式交付, 这是实现更高特性的著名策略。
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