Journal
JOURNAL OF NEUROSCIENCE METHODS
Volume 191, Issue 1, Pages 90-93Publisher
ELSEVIER
DOI: 10.1016/j.jneumeth.2010.05.019
Keywords
Microfluidics; Optogenetics; C. elegans; Synaptic function; Channelrhodopsin
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Funding
- US National Science Foundation [DBI-0649833]
- National Institutes of Health [NS058465]
- Deutsche Forschungsgemeinschaft [G01011/2-1]
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Over the past several years, optogenetic techniques have become widely used to help elucidate a variety of neuroscience problems. The unique optical control of neurons within a variety of organisms provided by optogenetics allows researchers to probe neural circuits and investigate neuronal function in a highly specific and controllable fashion. Recently, optogenetic techniques have been introduced to investigate synaptic transmission in the nematode Caenorhabditis elegans. For synaptic transmission studies, although quantitative, this technique is manual and very low-throughput. As it is, it is difficult to apply this technique to genetic studies. In this paper, we enhance this new tool by combining it with microfluidics technology and computer automation. This allows us to increase the assay throughput by several orders of magnitude as compared to the current standard approach, as well as improving standardization and consistency in data gathering. We also demonstrate the ability to infuse drugs to worms during optogenetic experiments using microfluidics. Together, these technologies will enable high-throughput genetic studies such as those of synaptic function. (C) 2010 Elsevier B.V. All rights reserved.
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