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Recent advances and applications of base editing systems / 生物工程学报
Chinese Journal of Biotechnology ; (12): 2307-2321, 2021.
Article in Chinese | WPRIM | ID: wpr-887798
ABSTRACT
The CRISPR system is able to accomplish precise base editing in genomic DNA, but relies on the cellular homology-directed recombination repair pathway and is therefore extremely inefficient. Base editing is a new genome editing technique developed based on the CRISPR/Cas9 system. Two base editors (cytosine base editor and adenine base editor) were developed by fusing catalytically disabled nucleases with different necleobase deaminases. These two base editors are able to perform C>T (G>A) or A>G (T>C) transition without generating DNA double-stranded breaks. The base editing technique has been widely used in gene therapy, animal models construction, precision animal breeding and gene function analysis, providing a powerful tool for basic and applied research. This review summarized the development process, technical advantages, current applications, challenges and perspectives for base editing technique, aiming to help the readers better understand and use the base editing technique.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Adenine / Cytosine / DNA Breaks, Double-Stranded / CRISPR-Cas Systems / Gene Editing Limits: Animals Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Adenine / Cytosine / DNA Breaks, Double-Stranded / CRISPR-Cas Systems / Gene Editing Limits: Animals Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article