Single species RNA purification using DNA nanoswitches.

Single species RNA purification using DNA nanoswitches.
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DOI:
10.1016/j.tibs.2021.12.006
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发表时间:
2022-04
影响因子:
13.8
通讯作者:
Halvorsen, Ken
Halvorsen, Ken
中科院分区:
生物学1区
文献类型:
--
作者:
Chandrasekaran, Arun Richard;Zhou, Lifeng;Halvorsen, Ken

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RNA纯化是生物医学研究中的关键需求。分析RNA结构、功能和化学修饰的工具的发展已经超过了RNA纯化的工具。DNA纳米开关方法是一种新的“捕获和释放”方法,用于从复杂混合物中靶向纯化特定RNA序列。靶RNA的捕获将DNA纳米开关从线性“关闭”状态重新配置为环状“打开”状态。结合到纳米开关的RNA可以被定量和分离以获得单一序列的纯RNA。该方法可用于从细胞总RNA提取物中纯化特定的微小RNA、核糖体RNA和mRNA。
RNA purification is a critical need in biomedical research. The development of tools for analyzing structure, function and chemical modifications of RNA have outpaced those for RNA purification. The DNA nanoswitch method is a new “catch and release” approach for targeted purification of specific RNA sequences from complex mixtures. Capture of a target RNA reconfigures the DNA nanoswitch from the linear “off” state to the looped “on” state. The RNA bound to the nanoswitch can be quantified and isolated to obtain pure RNA of a single sequence. The method is useful in purifying specific microRNAs, ribosomal RNAs and mRNAs from cellular total RNA extracts.
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