Strategies for development of optogenetic systems and their applications
2017
Abstract It has become clear that biological processes are highly dynamic and heterogeneous within and among cells. Conventional analytical tools and chemical or genetic manipulations are unsuitable for dissecting the role of their spatiotemporally dynamic nature. Recently, optical control of biomolecular signaling, a technology called “optogenetics,” has gained much attention. The technique has enabled spatial and temporal regulation of specific signaling pathways both in vitro and in vivo . This review presents strategies for optogenetic systems development and application for biological research. Combinations with other technologies and future perspectives are also discussed herein. Although many optogenetic approaches are designed to modulate ion channel conductivity, we mainly examine systems that target other biomolecular reactions such as gene expression, protein translocations, and kinase or receptor signaling pathways.
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