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Precision genome engineering through adenine and cytosine base editing
Jin-Soo Kim1,2
1Center for Genome Engineering, Institute for Basic Science, Seoul, Republic of Korea. jskim01@snu.ac.kr.
Nature Plants
|February 28, 2018
Summary
Adenine base editors (ABEs) are new genome editing tools that enable precise single-nucleotide conversions. These tools, alongside cytosine base editors (CBEs), advance gene editing without causing DNA breaks.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- Adenine base editors (ABEs) are engineered molecular tools for precise DNA modification.
- CRISPR-Cas9 technology has been adapted for base editing applications.
Purpose of the Study:
- To introduce Adenine base editors (ABEs) as advanced tools for genome editing.
- To highlight the capabilities of ABEs in achieving single-nucleotide conversions.
Main Methods:
- Utilizing engineered deaminases fused with catalytically impaired CRISPR-Cas9 variants.
- Employing ABEs for targeted DNA modifications in cellular and organismal contexts.
Main Results:
- ABEs enable clean, efficient, and reversible single-nucleotide conversions.
- These base editors function without inducing double-stranded DNA cleavage.
Conclusions:
- Adenine base editors represent a significant advancement in genome editing technology.
- ABEs, along with cytosine base editors (CBEs), offer new dimensions for precise genetic manipulation.
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