Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors
Type
Blog Post
Published
March 17, 2020, 1:32 p.m.
...deaminase. Base changes from C•G-to-T•A are mediated by cytosine base editors (CBEs) and base changes from A•T-to-G...capabilities. Base editors make specific DNA base changes and consist of a catalytically impaired Cas protein...target site, and the deaminase induces the DNA base change without a DNA double-strand break. But base editors...is that the editing domain must induce the base change before the Cas domain lets go of the DNA. ABEs ...hold on” long enough to the DNA to induce a base change. Because of this, ABEs are only weakly compatible... of the fetal hemoglobin gene, ABE8e made both changes simultaneously with 54% efficiency, about 7 times... DNA base swaps, so called point mutations that change C to T, G to A, A to G, and T to C, represent about...