Nature Communications (Sep 2019)

Mitigation of off-target toxicity in CRISPR-Cas9 screens for essential non-coding elements

  • Josh Tycko,
  • Michael Wainberg,
  • Georgi K. Marinov,
  • Oana Ursu,
  • Gaelen T. Hess,
  • Braeden K. Ego,
  • Aradhana,
  • Amy Li,
  • Alisa Truong,
  • Alexandro E. Trevino,
  • Kaitlyn Spees,
  • David Yao,
  • Irene M. Kaplow,
  • Peyton G. Greenside,
  • David W. Morgens,
  • Douglas H. Phanstiel,
  • Michael P. Snyder,
  • Lacramioara Bintu,
  • William J. Greenleaf,
  • Anshul Kundaje,
  • Michael C. Bassik

DOI
https://doi.org/10.1038/s41467-019-11955-7
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 14

Abstract

Read online

Off-target effects in CRISPR screens for essential regulatory elements have not been systematically evaluated. Here the authors find Cas9 nuclease, CRISPRi/a each have distinct off-target effects, and that these can be accurately identified and removed using the GuideScan sgRNA specificity score.