Photoswitchable fluorescent proteins: ten years of colorful chemistry and exciting applications.

Photoswitchable fluorescent proteins: ten years of colorful chemistry and exciting applications.
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DOI:
10.1016/j.cbpa.2013.05.031
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发表时间:
2013-08
影响因子:
7.8
通讯作者:
Lin, Michael Z.
Lin, Michael Z.
中科院分区:
生物学2区
文献类型:
--
作者:
Zhou, Xin X.;Lin, Michael Z.

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可逆可光转换荧光蛋白(RSFP)是荧光蛋白,其荧光在特定波长激发时,可以通过光以可逆的方式打开或关闭。在过去的十年里,许多新的RSFP已经开发出来,并在细胞成像中发现了依赖于其光开关特性的新应用。本文将介绍可逆光开关的机制和最近的应用研究RSFPs。虽然顺-反异构化的生色团被认为是最RSFP的一般机制,结构研究揭示了多样性的细节的光开关机制,包括不同的影响质子化,生色团平面性,口袋的灵活性。RSFP的应用包括新型的活细胞超分辨率成像,蛋白质运动和相互作用的跟踪,信息存储和蛋白质活性的光学控制。
Reversibly photoswitchable fluorescent proteins (RSFPs) are fluorescent proteins whose fluorescence, upon excitation at a certain wavelength, can be switched on or off by light in a reversible manner. In the last ten years, many new RSFPs have been developed and novel applications in cell imaging discovered that rely on their photoswitching properties. This review will describe research on the mechanisms of reversible photoswitching and recent applications using RSFPs. While cis-trans isomerization of the chromophore is believed to be the general mechanism for most RSFPs, structural studies reveal diversity in the details of photoswitching mechanisms, including different effects of protonation, chromophore planarity, and pocket flexibility. Applications of RSFPs include new types of live-cell superresolution imaging, tracking of protein movements and interactions, information storage, and optical control of protein activity.
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