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Measuring Protein Stability in Living Zebrafish Embryos Using Fluorescence Decay After Photoconversion (FDAP)
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Developmental Biology
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JoVE Journal Developmental Biology
Measuring Protein Stability in Living Zebrafish Embryos Using Fluorescence Decay After Photoconversion (FDAP)

Measuring Protein Stability in Living Zebrafish Embryos Using Fluorescence Decay After Photoconversion (FDAP)

DOI:
10.3791/52266-v

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09:45 min

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January 28, 2015

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, , ,
1Department of Molecular and Cellular Biology,Harvard University, 2Systems Biology of Development Group,Friedrich Miescher Laboratory of the Max Planck Society

Chapters

  • 00:05Title
  • 01:27Generating a Photoconvertible Fusion Construct and Injecting Dechorionated Zebrafish Embryos
  • 03:22Mounting Zebrafish Embryos for Photoconversion and Confocal Imaging
  • 04:37Photoconverting and Measuring the Decrease of the Photoconverted Signal
  • 06:47Analyzing the Data Using PyFDAP
  • 08:18Results: Half-life of Squint-Dendra2 as Determined by Fluorescence Decay After Photoconversion during Embryogenesis
  • 09:19Conclusion

Summary

Automatic Translation

Automatic Translation

Protein levels in cells and tissues are often tightly regulated by the balance of protein production and clearance. Using Fluorescence Decay After Photoconversion (FDAP), the clearance kinetics of proteins can be experimentally measured in vivo.

Tags

Keywords: Protein StabilityFluorescence Decay After PhotoconversionFDAPProtein Clearance KineticsPhotoconvertible Fluorescent ProteinZebrafish EmbryosCompartmental AnalysisIntra- And Extracellular Half-livesSecreted Signaling ProteinsIn Vivo Protein Dynamics

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