Augmenting CRISPR applications in Drosophila with tRNA-flanked sgRNAs.

Augmenting CRISPR applications in Drosophila with tRNA-flanked sgRNAs.
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DOI:
10.1038/nmeth.3972
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发表时间:
2016-10
期刊:
影响因子:
48
通讯作者:
Bullock, Simon L.
Bullock, Simon L.
中科院分区:
生物学1区
文献类型:
--
作者:
Port, Fillip;Bullock, Simon L.

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We present tRNA-based vectors for producing multiple clustered regularly-interspaced short palindromic repeats (CRISPR) sgRNAs from a single RNA polymerase II or III transcript in Drosophila. The system, which is based on liberation of sgRNAs by processing of flanking tRNAs, permits highly efficient multiplexing of Cas9-based mutagenesis. We also demonstrate that the tRNA-sgRNA system markedly increases the efficacy of conditional gene disruption by Cas9 and can promote editing by the recently discovered RNA-guided endonuclease Cpf1.
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