1. Genome Engineering Program Strategic Innovative Research‐Domain Toyota Central R&D Laboratories, Inc Nagakute Aichi480‐1192Japan
2. Department of Life Sciences Graduate School of Arts and Sciences The University of Tokyo Komaba 3‐8‐1 Tokyo153‐8902Japan
3. Universal Biology InstituteThe University of Tokyo Hongo 7‐3‐1 Tokyo113‐0033Japan