Setting the tempo in development: An investigation of the zebrafish somite clock mechanism
2007

Understanding the Zebrafish Somite Clock Mechanism

publication Evidence: high

Author Information

Author(s): Giudicelli François, Özbudak Ertuğrul M, Wright Gavin J, Lewis Julian

Primary Institution: Cancer Research UK London Research Institute

Hypothesis

How do genes set the tempo of embryonic development in zebrafish somite formation?

Conclusion

The study confirms a mathematical model of the zebrafish somite clock mechanism, showing that specific genes regulate the timing of somite formation.

Supporting Evidence

  • The somite segmentation clock is regulated by oscillating gene expression.
  • Transgenic zebrafish were used to manipulate gene expression and observe effects on somite formation.
  • Mathematical modeling provided insights into the timing mechanisms of somite segmentation.

Takeaway

This study looks at how zebrafish embryos form body segments called somites, showing that certain genes work like a clock to control the timing of this process.

Methodology

The researchers used mathematical modeling and transgenic zebrafish to test the dynamics of gene expression related to somite formation.

Limitations

The study does not measure all parameters directly, such as the exact timing of transcriptional delays.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0050150

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication