Interstrand crosslinking of homologous repair template DNA enhances gene editing in human cells.
Interstrand crosslinking of homologous repair template DNA enhances gene editing in human cells.
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DOI:
10.1038/s41587-022-01654-y
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发表时间:
2023-10
影响因子:
46.9
通讯作者:
Richardson, Chris D.
中科院分区:
文献类型:
--
作者:
Ghasemi, Hannah I.;Bacal, Julien;Yoon, Amanda C.;Tavasoli, Katherine U.;Cruz, Carmen;Vu, Jonathan T.;Gardner, Brooke M.;Richardson, Chris D.
We describe a strategy to boost the efficiency of gene editing via homology-directed repair (HDR) by covalently modifying the template DNA with interstrand crosslinks. Crosslinked templates (xHDRTs) increase Cas9-mediated editing efficiencies by up to fivefold in K562, HEK293T, U2OS, iPS and primary T cells. Increased editing from xHDRTs is driven by events on the template molecule and requires ataxia telangiectasia and Rad3-related (ATR) kinase and components of the Fanconi anemia pathway. The efficiency of homologous recombination is increased by crosslinking template DNA.
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