Genome editing with retroelements.
Genome editing with retroelements.
复制标题
使用逆转录元素进行基因组编辑。
DOI:
10.1126/science.adi3183
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Sternberg,SamuelH
中科院分区:
文献类型:
--
作者:
Tang,Stephen;Sternberg,SamuelH
Genome editing methods generally involve two critical steps: targeting a DNA sequence of interest and introducing the desired genetic modification. Capabilities for programmable DNA targeting have advanced rapidly over the past decade, owing primarily to the retooling of bacterial RNA-guided CRISPR-Cas systems. However, efficient and precise modification of the target site remains challenging, particularly for large-scale perturbations such as the insertion of gene-sized DNA payloads. To address this limitation, an emerging body of research is now drawing inspiration from mobile genetic elements (MGEs), DNA segments that have exploited diverse targeting and integration strategies to propagate in the genomes of their hosts for billions of years. Of particular interest are retroelements, which mobilize using an RNA intermediate. Recent investigations into the structure and function of retro-elementencoded protein-RNA complexes have resolved key molecular details of their targeting and integration mechanisms (, ), unveiling exciting opportunities to reengineer them for programmable DNA insertion.
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