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Cited by 770

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

All-optical electrophysiology in mammalian neurons using engineered microbial rhodopsins

Open access
Hochbaum, Daniel R, Zhao, Yongxin, Farhi, Samouil L, Klapoetke, Nathan, Werley, Christopher A, Kapoor, Vikrant, Zou, Peng, Kralj, Joel M, Maclaurin, Dougal, Smedemark-Margulies, Niklas, Saulnier, Jessica L, Boulting, Gabriella L, Straub, Christoph, Cho, Yong Ku, Melkonian, Michael, Wong, Gane Ka-Shu, Harrison, D Jed, Murthy, Venkatesh N, Sabatini, Bernardo L, Boyden, Edward S, Campbell, Robert E, Cohen, Adam E·2014·Nature Methods

Abstract

All-optical electrophysiology—spatially resolved simultaneous optical perturbation and measurement of membrane voltage—would open new vistas in neuroscience research. We evolved two archaerhodopsin-based voltage indicators, QuasAr1 and QuasAr2, which show improved brightness and voltage sensitivity, have microsecond response times and produce no photocurrent. We engineered a channelrhodopsin actuator, CheRiff, which shows high light sensitivity and rapid kinetics and is spectrally orthogonal to the QuasArs. A coexpression vector, Optopatch, enabled cross-talk–free genetically targeted all-optical electrophysiology. In cultured rat neurons, we combined Optopatch with patterned optical excitation to probe back-propagating action potentials (APs) in dendritic spines, synaptic transmission, subcellular microsecond-timescale details of AP propagation, and simultaneous firing of many neurons in a network. Optopatch measurements revealed homeostatic tuning of intrinsic excitability in human stem cell–derived neurons. In rat brain slices, Optopatch induced and reported APs and subthreshold events with high signal-to-noise ratios. The Optopatch platform enables high-throughput, spatially resolved electrophysiology without the use of conventional electrodes.

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Crossref · 10.1038/nmeth.3000

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Metadata

Authors
Hochbaum, D. R., Zhao, Y., Farhi, S. L., Klapoetke, N., Werley, C. A., Kapoor, V., Zou, P., Kralj, J. M., Maclaurin, D., Smedemark-Margulies, N., Saulnier, J. L., Boulting, G. L., Straub, C., Cho, Y. K., Melkonian, M., Wong, G. K.-S., Harrison, D. J., Murthy, V. N., Sabatini, B. L., Boyden, E. S., Campbell, R. E., & Cohen, A. E.
Venue
Nature Methods
Published
2014-06-22
Volume
11
Issue
8
Pages
825-833
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2145909957
Cited by
770
References
5
FWCI
29.79
Type
journal article
Language
en
Open access
bronze

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