Fig. 1
From: A modular cloning toolkit for genome editing in plants
Cartoons of level 2 CRISPR/Cas constructs for targeted mutagenesis using guide RNAs expressed under individual Pol III promoters. (a) represents a construct with one and (b) – with four guide RNAs. Information on available Pol II and Pol III promoters, nucleases and selectable markers can be found in Table S5 (Additional file 2) and Table S6 (Additional file 3)