CRISPR/Cas9-mediated gene knockout is insensitive to target copy number but is dependent on guide RNA potency and Cas9/sgRNA threshold expression level.
Nucleic Acids Research
Yuen, Garmen G; Khan, Fehad J FJ; Gao, Shaojian S; Stommel, Jayne M JM; Batchelor, Eric E; Wu, Xiaolin X; Luo, Ji J