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. Author manuscript; available in PMC: 2014 Jun 10.
Published in final edited form as: Nat Methods. 2013 Oct;10(10):957–963. doi: 10.1038/nmeth.2649

Figure 3.

Figure 3

Platform for multiplex biological screens. To modulate multiple genomic sites, sgRNA libraries can be generated and delivered into target cells that also express orthogonal Cas9 effectors (nucleases, activators and/or repressors). This format enables multiplex ex vivo and in vivo genetic screens via targeted genome editing and/ or regulation.