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Home/Products/Classic Line/OptoLid for FLIC System
OptoLid for FLIC SystemBrett Davis2023-03-17T16:21:56-07:00
OptoLid for FLIC System

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sable-flic-optolid-lid-and-screen

Features

  • Detailed control of optostimulation to allow for independent activation as well as many difference reinforcement paradigms
  • Two well-design choices (6-well vs.12-well)
  • Programmable light pulse frequency and duration
  • A high-intensity LED positioned directly above each feeding well
  • Three standard color light choices; Red (627nm), Green (530nm), and Blue (472nm) 
  • Custom wavelength LED maybe be accommodated based on the supply availability
  • Plug-in-play with the version 3 FLIC system 
  • Used as a drop-in replacement for the standard 6-well or 12-well chamber lid

Description

High-Throughput Optogenetics Studies on Flies

Optogenetics is the use of genetic engineering and optics to selectively monitor or control nerve cell activity through light. In Drosophila, transgenic methods are widely used to allow cell-specific gene expression of light-sensitive proteins. These proteins enable scientists to modulate neuronal activity by exposing transgenic flies to specific wavelengths of light. This then helps to assign cause-effect relationships to associated changes in physiology
or behavior. 

The FLIC OptoLid is one such peripheral device that provides optical stimulation to individual flies in individual wells in a flexible and programmable fashion, including a variety of open- and closed-looped designs. This lid works with and extends the capability of our FLIC system (version 3) which enables the study of Drosophila feeding behaviors.

When a particular light is coupled with flies expressing certain channelrhodopsins, one can achieve rapid neuronal activation or inhibition. As proof of principle, we created transgenic flies to express channelrhodopsins in neurons that express neuropeptide (npf+ neurons) and tested open loop and closed loop activation of npf+ neurons and monitored feeding interactions.

  • Open-loop configuration: Optogenetic activation of npf+ neurons, known to be involved in encoding hunger in insects, independent of feeding behavior increased feeding interactions.
  • Closed-loop configuration: Activation of npf+ neurons triggered during or immediately after a fly showing a feeding interaction, increased feeding behaviors by order of two magnitudes, suggesting npf+ neurons’ additional role in reward behavior.
     

12-well chamber OptoLid

6-well chamber OptoLid

 

May, Christina E., et al. “High dietary sugar reshapes sweet taste to promote feeding behavior in Drosophila melanogaster.” Cell reports 27.6 (2019): 1675-1685.

Munneke, Allyson S., et al. “The serotonin receptor 5-HT2A modulates lifespan and protein feeding in Drosophila melanogaster.” Frontiers in Aging 3 (2022): 126.

Contact Us

For a custom configuration, contact us and our specialists will help you configure the right system for your specific research needs.

Downloads

OptoLid Product Note

sable-flic-optolid-lid-and-screen
sable-flic-optolid-chart
sable-flic-optolid-chamber-wells

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