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  Automated analysis of sleep control via a single neuron active at sleep onset in C. elegans.

Urmersbach, B., Besseling, J., Spies, J. P., & Bringmann, H. (2016). Automated analysis of sleep control via a single neuron active at sleep onset in C. elegans. Genesis, 54(4), 212-219. doi:10.1002/dvg.22924.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1E22-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-2688-7
Genre: Journal Article

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Urmersbach, B.1, Author              
Besseling, J.1, Author              
Spies, J. P.1, Author              
Bringmann, H.1, Author              
Affiliations:
1Research Group of Sleep and Waking, MPI for biophysical chemistry, Max Planck Society, ou_578607              

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Free keywords: Caenorhabditis elegans; Sleep; Sleep-active neuron; Behavior
 Abstract: Longitudinal analyses are crucial for understanding long-term processes such as development and behavioral rhythms. For a complete understanding of such processes, both organism-level observations as well as single-cell observations are necessary. Sleep is an example for a long-term process that is under developmental control. This behavioral state is induced by conserved sleep-active neurons, but little is known about how sleep neurons control the physiology of an animal systemically. In the nematode C. elegans, sleep induction crucially requires the single RIS interneuron to actively induce a developmentally regulated sleep behavior. Here, we used RIS-induced sleep as an example of how longitudinal analyses can be automated. We developed methods to analyze both behavior and neural activity in larva across the sleep-wake cycle. To image behavior, we used an improved DIC contrast to extract the head and detect the nose. To image neural activity, we used GCaMP3 expression in a small number of neurons including RIS combined with a neuron discrimination algorithm. Thus, we present a comprehensive platform for automatically analyzing behavior and neural activity in C. elegans exemplified by using RIS-induced sleep during C. elegans development. This article is protected by copyright. All rights reserved.

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Language(s): eng - English
 Dates: 2016-04-072016-04
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1002/dvg.22924
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Title: Genesis
Source Genre: Journal
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Pages: - Volume / Issue: 54 (4) Sequence Number: - Start / End Page: 212 - 219 Identifier: -