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Updated: Aug 10, 2026
12:04
Mouse Genome Engineering Using Designer Nucleases
Published on: April 2, 2014
Introducing defined chromosomal rearrangements into the mouse genome
B Zheng1, A A Mills, A Bradley
1Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030, USA.
Methods (San Diego, Calif.)
|May 1, 2001
Summary
Researchers developed a new method to create marked chromosomal rearrangements in mice, enabling large-scale genetic screens. This technique enhances mouse genetics to match Drosophila
Area of Science:
- Genetics
- Genomics
- Molecular Biology
Background:
- Chromosomal rearrangements are crucial tools in genetic research, particularly in Drosophila, for mapping and mutagenesis.
- Marked rearrangements like deletions and inversions are vital for uncovering recessive mutations and maintaining chromosome integrity.
- Current mouse genetics research is limited by a lack of accessible marked chromosomal rearrangements for many genome regions.
Purpose of the Study:
- To describe a novel method for generating defined chromosomal rearrangements in mice.
- To enable the creation of visibly marked rearrangements for genetic screens.
- To advance manipulative mouse genetics capabilities.
Main Methods:
- Utilized the Cre-loxP recombination system based on a published strategy.
- Engineered various chromosomal rearrangements including deletions, duplications, inversions, and translocations.
- Incorporated visible markers, such as coat color genes, into the rearrangements.
Main Results:
- Successfully generated defined chromosomal rearrangements in mice.
- Demonstrated the ability to visibly mark these rearrangements.
- Developed essential reagents for large-scale recessive genetic screens in mice.
Conclusions:
- The Cre-loxP strategy provides a versatile method for generating diverse, marked chromosomal rearrangements in mice.
- This technique significantly enhances the potential for functional genomic studies in the mouse.
- The ability to create these marked rearrangements elevates mouse genetics to a level comparable to Drosophila genetics.
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