Auxin-inducible degron system: an efficient protein degradation tool to study protein function

Area of Science:

• Molecular Biology
• Cell Biology
• Genetics

Background:

• Targeted protein degradation allows for rapid depletion of specific proteins, enabling the study of acute cellular changes.
• The auxin-inducible degron (AID) system facilitates rapid, inducible degradation of tagged proteins in the presence of auxin.

Purpose of the Study:

• To review the development, advancements, applications, and drawbacks of the AID system.
• To compare the AID system with other available protein degradation technologies.
• To highlight the utility of the AID system in studying essential genes and dynamic biological processes.

Main Methods:

• The review synthesizes existing literature on the AID system.
• It discusses the adaptation of the AID system across diverse model organisms including yeast, *C. elegans*, *Drosophila*, zebrafish, and mammalian cell lines.
• Comparative analysis with other protein degradation systems is presented.

Main Results:

• The AID system's inducible nature allows investigation of essential genes and dynamic processes like cell differentiation, cell cycle, and genome organization.
• Researchers have utilized the AID system to uncover novel functions of essential proteins, overcoming challenges posed by early lethality in developmental studies.
• The system has demonstrated broad applicability across a wide range of model organisms.

Conclusions:

• The AID system is a powerful tool for targeted protein degradation with significant applications in fundamental biological research.
• Its adaptability and effectiveness make it invaluable for studying complex biological phenomena.
• Understanding its advantages and limitations is crucial for selecting appropriate protein degradation strategies.