... DNA, which scientists have modified for a wide range of genome engineering techniques . Collectively,... often found in plants, expanding the targeting range for plant genome engineering. Read more about Cas9...non-specifically. Cas12a also has an expanded targeting range to AT-rich regions, as it recognizes TTTV (V = A.... R., Maxwell, K. L., & Doudna, J. A. (2017). A Broad-Spectrum inhibitor of CRISPR-Cas9. Cell , 170 (6...& Liu, D. R. (2018). Evolved Cas9 variants with broad PAM compatibility and high DNA specificity. Nature...screens in E. coli identify essential genes and phage host factors. PLOS Genetics . 14 (11), e1007749. PMID...with increased activities and improved targeting ranges for gene, epigenetic and base editing. Nature Biotechnology...