Spinach RNA aptamer detects lead(II) with high selectivity.

Spinach RNA aptamer detects lead(II) with high selectivity.
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DOI:
10.1039/c5cc01526j
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发表时间:
2015-05-28
期刊:
Chemical communications (Cambridge, England)
影响因子:
--
通讯作者:
Piccirilli JA
Piccirilli JA
中科院分区:
其他
文献类型:
--
作者:
DasGupta S;Shelke SA;Li NS;Piccirilli JA

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菠菜 RNA 适体含有 G-四链体基序,可作为 GFP 样荧光团的结合和荧光激活平台。在这里,我们证明 Pb2+ 诱导菠菜 G-四链体的形成,并以高选择性和灵敏度激活荧光。该设备建立了第一个基于 RNA 的传感器示例,为 Pb2+ 检测提供了一种简单且廉价的工具。
Spinach RNA aptamer contains a G-quadruplex motif that serves as a platform for binding and fluorescence activation of a GFP-like fluorophore. Here we show that Pb2+ induces formation of Spinach’s G-quadruplex and activates fluorescence with high selectivity and sensitivity. This device establishes the first example of an RNA-based sensor that provides a simple and inexpensive tool for Pb2+ detection.