BEAR reveals that increased fidelity variants can successfully reduce the mismatch tolerance of adenine but not cytosine base editors

A Tálas, DA Simon, PI Kulcsár, É Varga… - Nature …, 2021 - nature.com
Adenine and cytosine base editors (ABE, CBE) allow for precision genome engineering.
Here, Base Editor Activity Reporter (BEAR), a plasmid-based fluorescent tool is introduced …

A Cas9-mediated adenosine transient reporter enables enrichment of ABE-targeted cells

N Brookhouser, T Nguyen, SJ Tekel, K Standage-Beier… - BMC biology, 2020 - Springer
Background Adenine base editors (ABE) enable single nucleotide modifications without the
need for double-stranded DNA breaks (DSBs) induced by conventional CRIPSR/Cas9 …

nCas9 Engineering for Improved Target Interaction Presents an Effective Strategy to Enhance Base Editing

G Zhang, Z Song, S Huang, Y Wang, J Sun… - Advanced …, 2024 - Wiley Online Library
Base editors (BEs) are a recent generation of genome editing tools that couple a cytidine or
adenosine deaminase activity to a catalytically impaired Cas9 moiety (nCas9) to enable …

Expanding the genome-targeting scope and the site selectivity of high-precision base editors

J Tan, F Zhang, D Karcher, R Bock - Nature communications, 2020 - nature.com
Base editors (BEs) are RNA-guided CRISPR-Cas-derived genome editing tools that induce
single-nucleotide changes. The limitations of current BEs lie in their low precision …

A new compact adenine base editor generated through deletion of HNH and REC2 domain of SpCas9

Y Qian, D Wang, W Niu, D Zhao, J Li, Z Liu, X Gao… - BMC biology, 2023 - Springer
Abstract Background Adenine base editors (ABEs) are promising therapeutic gene editing
tools that can efficiently convert targeted A• T to G• C base pairs in the genome. However …

A rationally engineered cytosine base editor retains high on-target activity while reducing both DNA and RNA off-target effects

E Zuo, Y Sun, T Yuan, B He, C Zhou, W Ying, J Liu… - Nature …, 2020 - nature.com
Cytosine base editors (CBEs) offer a powerful tool for correcting point mutations, yet their
DNA and RNA off-target activities have caused concerns in biomedical applications. We …

Hyperactive Nickase Activity Improves Adenine Base Editing

AP Gandadireja, PD Vos, SJ Siira… - ACS Synthetic …, 2024 - ACS Publications
Base editing technologies enable programmable single-nucleotide changes in target DNA
without double-stranded DNA breaks. Adenine base editors (ABEs) allow precise …

Circularly permuted and PAM-modified Cas9 variants broaden the targeting scope of base editors

TP Huang, KT Zhao, SM Miller, NM Gaudelli… - Nature …, 2019 - nature.com
Base editing requires that the target sequence satisfy the protospacer adjacent motif
requirement of the Cas9 domain and that the target nucleotide be located within the editing …

Phage-assisted evolution of an adenine base editor with improved Cas domain compatibility and activity

MF Richter, KT Zhao, E Eton, A Lapinaite… - Nature …, 2020 - nature.com
Applications of adenine base editors (ABEs) have been constrained by the limited
compatibility of the deoxyadenosine deaminase component with Cas homologs other than …

Cas9 variants expand the targeting scope of base editing systems in bacteria

RM Shelake, JY Kim - The Nucleus, 2024 - Springer
Base editors (BEs) consist of partially active Cas9 homologs fused to nucleobase-converting
DNA deaminases along with certain accessory proteins. The effectiveness of BE tools …