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Related Concept Videos

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Related Experiment Video

Updated: Feb 12, 2026

Single-cell Photoconversion in Living Intact Zebrafish
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Published on: March 19, 2018

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Single-cell Photoconversion in Living Intact Zebrafish.

Lauren Green1, Cody J Smith2

  • 1Department of Biological Sciences, University of Notre Dame; Center for Stem Cells and Regenerative Medicine, University of Notre Dame.

Journal of Visualized Experiments : Jove
|April 3, 2018
PubMed
Summary

Scientists developed single-cell photoconversion to visualize individual cells in living zebrafish tissues. This technique allows detailed study of cell interactions, fate, and migration within complex biological systems.

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Area of Science:

  • Cell Biology
  • Developmental Biology
  • Microscopy Techniques

Background:

  • Tissues comprise distinct cell populations interacting dynamically.
  • Investigating cell behavior in intact tissues is crucial for understanding development and disease.
  • Existing methods sometimes lack the precision for single-cell or small-group visualization.

Purpose of the Study:

  • To demonstrate and validate single-cell photoconversion for visualizing specific cells within living tissues.
  • To provide a method for detailed observation of cellular dynamics at the single-cell level.
  • To showcase applications in studying cell-cell interactions, fate, and migration.

Main Methods:

  • Utilizing fluorescent proteins (specifically Eos) within cells.
  • Directing UV light to photoconvert specific Eos-expressing cells in live zebrafish.
  • Imaging photoconverted cells 24 hours post-photoconversion to observe changes.

Main Results:

  • Successfully demonstrated single-cell photoconversion in living zebrafish.
  • Showcased the ability to visualize and track individual cells and small cell populations over time.
  • Validated the technique's utility for observing cellular dynamics post-photoconversion.

Conclusions:

  • Single-cell photoconversion is an effective technique for precise visualization of cells in intact tissues.
  • This method enables detailed studies of cell migration, differentiation, and interactions.
  • Applicable to a wide range of biological questions in developmental and cell biology.