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Imaging C. elegans Embryos using an Epifluorescent Microscope and Open Source Software
Published on: March 24, 2011
Live imaging of cellular dynamics during Caenorhabditis elegans postembryonic development
Yongping Chai1, Wei Li, Guoxin Feng
1National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.
Nature Protocols
|November 10, 2012
Summary
This study presents a rapid 3-hour protocol for live-cell imaging of postembryonic development in Caenorhabditis elegans. The method utilizes triple-fluorescence imaging to observe crucial processes like neuritogenesis in larval stages.
Area of Science:
- Developmental Biology
- Cell Biology
- Microscopy
Background:
- Postembryonic development is crucial for organismal maturation but remains understudied using live-cell imaging.
- Existing live-cell imaging techniques have limitations in throughput for observing postembryonic development.
Purpose of the Study:
- To describe a novel protocol for live-cell imaging of postembryonic development in Caenorhabditis elegans.
- To enhance imaging throughput for studying larval development processes.
Main Methods:
- Development of a triple-fluorescence imaging approach using TagBFP, GFP, and mCherry in Caenorhabditis elegans.
- Protocol includes construction of fluorescent transgenic worms, larval immobilization, and time-lapse microscopy.
- Optimization for rapid imaging, completable within 3 hours.
Main Results:
- Demonstrated successful application of the protocol for imaging neuritogenesis in L1 larvae.
- The protocol is adaptable for analyzing neuroblast asymmetric division, migration, and apoptosis.
- Validated the utility of triple-fluorescence imaging for high-throughput analysis.
Conclusions:
- The described protocol offers a significant advancement for live-cell imaging of postembryonic development in C. elegans.
- This method can provide valuable insights into complex developmental processes during larval stages.
- Potential for broad applications in studying various aspects of postembryonic development.
