Fluorescence imaging of cellular metabolites with RNA.

Fluorescence imaging of cellular metabolites with RNA.
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DOI:
10.1126/science.1218298
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发表时间:
2012-03-09
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Jaffrey SR
Jaffrey SR
中科院分区:
其他
文献类型:
--
作者:
Paige JS;Nguyen-Duc T;Song W;Jaffrey SR

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遗传编码传感器是成像细胞内代谢物和信号分子的有力工具。然而,开发传感器是具有挑战性的,因为它们需要在结合所需靶分子时经历构象变化的蛋白质。我们描述了一种基于Spinach的荧光传感器的生成方法,Spinach是一种结合并激活小分子荧光团荧光的RNA序列。我们表明,这些传感器可以检测各种不同的小分子在体外和活细胞。这些RNA构成了一种用于小分子荧光成像的通用方法,并且具有检测基本上任何细胞生物分子的潜力。
Genetically encoded sensors are powerful tools for imaging intracellular metabolites and signaling molecules. However, developing sensors is challenging because they require proteins that undergo conformational changes upon binding the desired target molecule. We describe an approach for generating fluorescent sensors based on Spinach, an RNA sequence that binds and activates the fluorescence of a small-molecule fluorophore. We show that these sensors can detect a variety of different small molecules in vitro and in living cells. These RNAs constitute a versatile approach for fluorescence imaging of small molecules and have the potential to detect essentially any cellular biomolecule.
DOI: 10.1126/science.1207339
发表时间: 2011-07-29
期刊: Science (New York, N.Y.)
影响因子: --
作者:
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通讯作者: Jaffrey SR
DOI: 10.1038/nchembio.620
发表时间: 2011-08-01
影响因子: 14.8
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