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Quick validation of genetic quality for conditional alleles in mice
Hatsumi Nakata1, Tomomi Hashimoto1, Atsushi Yoshiki1
1Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Japan.
Genes to Cells : Devoted to Molecular & Cellular Mechanisms
|February 4, 2021
Summary
Researchers can now quickly validate gene editing in conditional knockout mice using universal PCR primers for Cre-loxP and Flp-FRT systems. This ensures genetic quality and reproducibility in experiments studying gene function and disease mechanisms.
Area of Science:
- Genetics
- Molecular Biology
- Genomics
Background:
- Conditional gene inactivation using Cre-loxP and Flp-FRT systems is crucial for studying gene function and disease mechanisms in vivo.
- The increasing complexity of conditional alleles in mouse models necessitates robust validation methods.
- Ensuring the genetic integrity of alleles is vital for the reproducibility of experimental results.
Purpose of the Study:
- To develop a rapid and reliable method for validating the genetic quality of conditional alleles.
- To provide researchers with a tool to confirm the correct integration of loxP or FRT sites before commencing experiments.
Main Methods:
- Design of universal PCR primers specifically targeting loxP and FRT sequences.
- Modification of primer 5' ends with 6-base restriction endonuclease recognition sites.
- Testing the primer set to detect genomic intervals between cis-integrated loxP or FRT sites.
Main Results:
- Successful design and validation of universal PCR primers for loxP and FRT sequences.
- The primer set effectively detects genomic intervals, confirming the presence and location of these sites.
- Demonstrated utility in quickly validating various floxed and Flrted alleles in conditional mouse models.
Conclusions:
- The developed universal primer set offers a quick and efficient method for validating conditional alleles.
- This tool enhances the reproducibility of experiments utilizing conditional gene targeting in mice.
- Facilitates the accurate genetic assessment of mouse models for gene function and disease research.
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