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Notch around the clock.

¹Laboratoire de Génétique et de Physiologie du Développement (LGPD) CNRS-INSERM-Université de la Méditerranée - AP de Marseille Campus de Luminy, Case 907, 13288, Marseille,France. pourquie@ibdm.univ-mrs.fr

Current Opinion in Genetics & Development

|October 6, 1999

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Somitogenesis establishes the vertebrate segmental pattern through a molecular clock and Notch signaling. The Lunatic Fringe gene

Area of Science:

Developmental biology
Embryogenesis
Molecular biology

Background:

Somitogenesis is crucial for establishing the vertebrate segmental body plan.
Two key systems, a molecular clock and Notch signaling, are involved in somitogenesis.
The precise interplay between these systems remains an area of active research.

Purpose of the Study:

To investigate the link between the molecular clock and Notch signaling in somitogenesis.
To elucidate the role of the Lunatic Fringe gene in vertebrate segmentation.

Main Methods:

Analysis of gene expression patterns in the presomitic mesoderm.
Investigating the temporal dynamics of gene regulation during embryogenesis.

Main Results:

Related Experiment Videos

The Lunatic Fringe gene exhibits rhythmic expression in the presomitic mesoderm.
This rhythmic expression provides a direct link between the molecular clock and Notch signaling pathways.
Demonstrates a novel connection between two fundamental somitogenesis regulatory systems.

Conclusions:

The study establishes Lunatic Fringe as a key mediator connecting the molecular clock and Notch signaling during somitogenesis.
Provides new insights into the molecular mechanisms governing vertebrate segmentation.
Highlights the importance of dynamic gene expression in developmental processes.