The expanding role of split protein complementation in opsin-free optogenetics.

The expanding role of split protein complementation in opsin-free optogenetics.
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DOI:
10.1016/j.coph.2022.102236
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发表时间:
2022-08
影响因子:
4
通讯作者:
--
中科院分区:
医学3区
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对信号传导机制的全面理解有助于解释基本的生物学过程,并从病理条件下恢复细胞行为。信号传导结果不仅取决于每个信号传导组分的活性,还取决于它们在时间和空间上的动态相互作用,这仍然是通过生物化学和基于细胞的测定来探测的挑战。基于视蛋白的光遗传学通过其对可兴奋细胞活性的时空调节改变了神经科学研究。受这一优势的推动,无视蛋白的光遗传学将光的功率扩展到更大范围的信号分子。本文综述了常用的无视蛋白的光遗传学策略,介绍了分裂蛋白互补的历史概况,并强调了分裂蛋白重组作为光遗传学传感器和致动器的适应。
A comprehensive understanding of signaling mechanisms helps interpret fundamental biological processes and restore cell behavior from pathological conditions. Signaling outcome depends not only on the activity of each signaling component but also on their dynamic interaction in time and space, which remains challenging to probe by biochemical and cell-based assays. Opsin-based optogenetics has transformed neural science research with its spatiotemporal modulation of the activity of excitable cells. Motivated by this advantage, opsin-free optogenetics extends the power of light to a larger spectrum of signaling molecules. This review summarizes commonly used opsin-free optogenetic strategies, presents a historical overview of split protein complementation, and highlights the adaptation of split protein recombination as optogenetic sensors and actuators.
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