Read more about the newest CRISPR-BEST paper in PNAS here . This work has been done by Yaojun Tong, Christopher M. Whitford, Helene L. Robertsen, Kai Blin, Tue S. Jørgensen, Andreas K. Klitgaard, Tetiana Gren, Xinglin Jiang, Tilmann Weber and Sang Yup Lee.