High-throughput screens of PAM-flexible Cas9 variants for gene knock-out and transcriptional modulation
M. Legut, Z. Daniloski, X. Xue, D. McKenzie, X. Guo, H.-H. Wessels, N. E. Sanjana
The paper compares PAM-flexible Cas9 variants (xCas9 and Cas9-NG) and wild-type Cas9 across gene knock-out, activation, and suppression using a high-throughput screen, finding that PAM flexibility reduces targeting efficiency and that Cas9-NG outperforms xCas9.
bioRxiv · Jan 22, 2020Bioengineering