Locked nucleic acid (LNA) enhances binding affinity of triazole-linked DNA towards RNA.

Locked nucleic acid (LNA) enhances binding affinity of triazole-linked DNA towards RNA.
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DOI:
10.1039/c7cc05159j
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发表时间:
2017-08-03
期刊:
Chemical communications (Cambridge, England)
影响因子:
--
通讯作者:
Brown T
Brown T
中科院分区:
其他
文献类型:
--
作者:
Kumar P;El-Sagheer AH;Truong L;Brown T

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LNA改善三唑连接的DNA的RNA结合亲和力和酶稳定性。含有内部三唑-3 ′-LNA键的寡核苷酸与互补RNA的结合具有与未修饰的寡核苷酸相似的亲和力和特异性,并且显著优于仅含有三唑的寡核苷酸。相比之下,三唑5′-侧的LNA不稳定双链体。相对于单独的LNA,三唑-LNA赋予对酶促降解的极大抗性。
LNA improves the RNA-binding affinity and enzymatic stability of triazole-linked DNA. Oligonucleotides containing internal triazole–3′-LNA linkages bind to complementary RNA with similar affinity and specificity to unmodified oligonucleotides, and significantly better than oligonucleotides containing triazole alone. In contrast LNA on the 5′-side of the triazole does not stabilise duplexes. Triazole–LNA confers great resistance towards enzymatic degradation relative to LNA alone.
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