Application of caged fluorescent nucleotides to live-cell RNA imaging

Application of caged fluorescent nucleotides to live-cell RNA imaging
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笼状荧光核苷酸在活细胞 RNA 成像中的应用

DOI:
10.1007/978-1-62703-535-4_24
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发表时间:
2013
期刊:
Methods Mol. Biol.
影响因子:
--
通讯作者:
A.
A.
中科院分区:
--
文献类型:
--
作者:
Okamoto;A.

文献摘要

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A caged fluorescent nucleic acid probe, which contains a nucleotide modified with one photolabile nitrobenzyl unit and two hybridization-sensitive thiazole orange units, has been synthesized for area-specific fluorescence imaging of RNA in a cell. The probe emits very weak fluorescence regardless of the presence of the complementary RNA, whereas it shows hybridization-sensitive fluorescence emission after photoirradiation for uncaging. Such probes are generated via several chemical synthetic steps and are applicable to area-specific RNA imaging in a cell. Only probes that exist in the defined irradiation area are activated via uncaging irradiation.