Related Experiment Video
Updated: Dec 29, 2025

Microbead Implantation in the Zebrafish Embryo
Published on: July 30, 2015
Rabs in Signaling and Embryonic Development
Sonya Nassari1, Tomas Del Olmo1, Steve Jean1
1Faculté de Médecine et des Sciences de la Santé, Department of Immunology and Cell Biology, Université de Sherbrooke, 3201 Rue Jean Mignault, Sherbrooke, QC J1E 4K8, Canada.
Rab GTPases are vital for cell signaling and membrane trafficking, crucial for embryonic development. This review details their roles in animal embryogenesis and future research directions.
Area of Science:
- Cellular Biology
- Developmental Biology
- Molecular Biology
Background:
- Rab GTPases are key regulators of membrane trafficking and intracellular signaling.
- These processes are fundamental for embryonic development, involving cellular changes in shape, position, and function.
- Recent research highlights novel signaling roles of Rab GTPases and their importance in embryogenesis.
Purpose of the Study:
- To provide a comprehensive overview of Rab GTPase contributions during animal embryogenesis.
- To summarize the signaling roles of Rab GTPases.
- To highlight the role of Rab proteins in metazoan development and discuss future in vivo investigation methods.
Main Methods:
- Literature review focusing on Rab GTPase functions in cellular processes.
- Analysis of studies detailing Rab protein involvement in embryonic development.
- Synthesis of information on Rab signaling and their impact on metazoan development.
Main Results:
- Rab GTPases are essential for membrane trafficking and intracellular signaling pathways.
- These functions are critical for the complex cellular events during embryogenesis.
- Rab proteins play significant roles throughout metazoan development.
Conclusions:
- Rab GTPases are indispensable for successful animal embryogenesis.
- Understanding Rab functions provides insights into developmental processes.
- New in vivo approaches will advance the study of Rab GTPase functions.
More Related Videos
09:32Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development
Published on: June 15, 2017
07:34The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
Published on: February 16, 2017
Related Concept Videos
Hedgehog Signaling Pathway
Determination
Notch Signaling Pathway
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
Rab Proteins
Rab proteins switch between a cytosolic, GDP-bound inactive state and a membrane-anchored, GTP-bound active state. By themselves, Rabs show slow rates of GDP/GTP exchange and GTP hydrolysis. Thus, Rab proteins are considered...
Rab Cascades