Development of Light-Activated CRISPR Using Guide RNAs with Photocleavable Protectors.

Development of Light-Activated CRISPR Using Guide RNAs with Photocleavable Protectors.
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DOI:
10.1002/anie.201606123
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发表时间:
2016-09-26
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Bhatia SN
Bhatia SN
中科院分区:
其他
文献类型:
--
作者:
Jain PK;Ramanan V;Schepers AG;Dalvie NS;Panda A;Fleming HE;Bhatia SN

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远程触发CRISPR/Cas9活性的能力将使新的策略能够以更高的精度和复杂性研究细胞事件。我们开发了一种方法来光笼化向导RNA的活性,称为“CRISPR-plus”(CRISPR-precise light-mediated unveiling of sgRNA)。我们的CRISPR-plus方法的光活化能力与同时靶向多个DNA序列兼容,并支持许多修饰,这些修饰可以使引导RNA标记用于成像和机械研究。用光打开CRISPR:通过将单个嵌合向导RNA(sgRNA)与其含有光可裂解基团的互补寡核苷酸(保护寡核苷酸)杂交,可以简单地将CRISPR置于光的控制之下。这些受保护的sgRNA(p-sgRNA)保持无活性,阻断CRISPR活性,直到保护寡核苷酸被远程光触发剂切割。
The ability to remotely trigger CRISPR/Cas9 activity would enable new strategies to study cellular events with greater precision and complexity. We developed a method to photocage the activity of the guide RNA called ‘CRISPR-plus’ (CRISPR-precise light-mediated unveiling of sgRNAs). The photoactivatable capability of our CRISPR-plus method is compatible with simultaneous targeting of multiple DNA sequences and supports numerous modifications that can enable guide RNA labeling for use in imaging and mechanistic inquiries. Turn ‘ON’ CRISPR with light: CRISPR can be brought under the control of light simply by hybridizing a single chimeric guide RNAs (sgRNA) with its complementary oligonucleotide containing photocleavable groups (protector oligonucleotide). These protected sgRNA (p-sgRNA) remain inactive, blocking CRISPR activity, until the protector oligonucleotides are cleaved by a remote light trigger.
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