Efficient construction of sequence-specific TAL effectors for modulating mammalian transcription.
Efficient construction of sequence-specific TAL effectors for modulating mammalian transcription.
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DOI:
10.1038/nbt.1775
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发表时间:
2011-02
影响因子:
46.9
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中科院分区:
文献类型:
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The ability to direct functional domains to specific DNA sequences is a long sought-after goal for studying and engineering biological processes. Transcription activator like effectors (TALEs) from Xanthomonas sp. present a promising platform for designing sequence-specific DNA binding proteins. Here we describe a robust and rapid method for overcoming the difficulty of constructing TALE repeat domains. We synthesized 17 designer TALEs (dTALEs) that are customized to recognize specific DNA binding sites, and demonstrate that dTALEs can specifically modulate transcription of endogenous genes (Sox2 and Klf4) from the native genome in human cells. dTALEs provide a designable DNA targeting platform for the interrogation and engineering of biological systems.
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