Mismatch tolerance of a gRNA for CRISPR-based gene activation confers broad activity critical for cell reprogramming
Samuel J. Reisman, Wei Zhu, Samantha E Miller, Dahlia Halabi, Nicholas Sangvai, Gregory E. Crawford, Raluca Gordân, Charles A. Gersbach
The paper identifies a CRISPRa gRNA with broad off-target activity that enables genome-wide transcriptional reprogramming, showing that mismatch tolerance and PAM-proximal bases determine binding specificity.
bioRxiv · Feb 3, 2026 · PreprintGenomics