...control CRISPR activity. Acr proteins have evolved in phages and other mobile genetic elements to overcome the... edits. These proteins, like Cre recombinase or phage derived serine integrases, insert donor DNA at “... Tolar, J., Osborn, M. J., & Liu, D. R. (2023). Phage-assisted evolution and protein engineering yield...screens in E. coli identify essential genes and phage host factors. PLOS Genetics . 14 (11), e1007749...., Maxwell, K. L., & Davidson, A. R. (2013). Bacteriophage genes that inactivate the CRISPR/Cas bacterial..., J. (2017). Inhibition of CRISPR-Cas9 with Bacteriophage Proteins. Cell , 168 (1–2), 150-158.e10. PMID...Improved base excision repair inhibition and bacteriophage Mu Gam protein yields C:G-to-T:A base editors...