CRISPR-based genome editing of zebrafish.

Area of Science:

• Genetics
• Molecular Biology
• Biotechnology

Background:

• CRISPR/Cas9, initially identified as a bacterial immune system, is now a revolutionary genetic engineering technology.
• Advancements have expanded its use in gene editing, therapies, developmental biology, and mutation analysis across model organisms.

Purpose of the Study:

• To provide an overview of CRISPR/Cas9 mechanisms and DNA modification strategies.
• To highlight the application of CRISPR/Cas9 in gene function analysis and disease modeling.
• To discuss translational applications, including drug screening.

Main Methods:

• CRISPR/Cas9-mediated gene editing techniques, including knock-out and knock-in approaches.
• Utilizing zebrafish as a model organism for functional gene studies.
• Phenotypic screening for gene expression and disease model development.

Main Results:

• CRISPR/Cas9 enables precise gene editing for loss-of-function studies.
• It facilitates the creation of disease models for comprehensive gene expression analysis.
• Zebrafish models are effective for assessing gene function and phenotypic outcomes.

Conclusions:

• CRISPR/Cas9 is a versatile tool for genetic research and therapeutic development.
• Its application in zebrafish models aids in understanding gene function and disease mechanisms.
• Future prospects include its use in drug toxicity and efficacy screening.