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Nat Neurosci. 2015 Sep;18(9):1213-25. doi: 10.1038/nn.4091.

Optogenetics: 10 years of microbial opsins in neuroscience.

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Departments of Bioengineering and of Psychiatry and Behavioral Sciences and the Howard Hughes Medical Institute, Stanford University, Stanford, California, USA.


Over the past 10 years, the development and convergence of microbial opsin engineering, modular genetic methods for cell-type targeting and optical strategies for guiding light through tissue have enabled versatile optical control of defined cells in living systems, defining modern optogenetics. Despite widespread recognition of the importance of spatiotemporally precise causal control over cellular signaling, for nearly the first half (2005-2009) of this 10-year period, as optogenetics was being created, there were difficulties in implementation, few publications and limited biological findings. In contrast, the ensuing years have witnessed a substantial acceleration in the application domain, with the publication of thousands of discoveries and insights into the function of nervous systems and beyond. This Historical Commentary reflects on the scientific landscape of this decade-long transition.

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