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Exploring tissue morphodynamics using the photoconvertible Kaede protein in amphioxus embryos.

Lydvina Meister1, Hector Escriva1, Stéphanie Bertrand1

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Summary

This study details a protocol for using the Kaede photoconvertible protein to track cells during the embryogenesis of Branchiostoma lanceolatum. This method aids cell lineage analysis in unconventional animal models, particularly marine species.

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Area of Science:

  • Developmental Biology
  • Cell Biology
  • Biotechnology

Background:

  • Photoconvertible proteins are essential tools for studying cell dynamics and organelles.
  • Their application has expanded to developmental biology for cell lineage and fate analysis during embryogenesis.
  • Unconventional animal models present challenges for traditional cell tracing methods.

Purpose of the Study:

  • To describe a protocol for using the Kaede photoconvertible protein for cell tracing in Branchiostoma lanceolatum embryogenesis.
  • To provide a method adaptable for cell lineage studies in other unconventional marine models.

Main Methods:

  • Utilized the Kaede photoconvertible protein, which irreversibly converts from green to red fluorescence upon UV light exposure.
  • Applied a cell tracing approach during the embryogenesis of the cephalochordate Branchiostoma lanceolatum.
  • Developed a protocol adaptable for marine animal models.

Main Results:

  • Successfully demonstrated the use of Kaede for tracking specific cells during Branchiostoma lanceolatum embryogenesis.
  • Established a practical protocol for photoconvertible protein-based cell tracing in this species.
  • Validated the adaptability of the protocol for other unconventional marine models.

Conclusions:

  • The Kaede protein offers a viable method for cell lineage tracing in the embryogenesis of Branchiostoma lanceolatum.
  • This protocol facilitates developmental studies in unconventional animal models, enhancing our understanding of embryonic development.
  • The described method contributes to the broader toolkit for cell tracing in marine biology research.