Related Experiment Video
Updated: Jun 24, 2026

12:39
Rapid Genotyping of Mouse Tissue Using Sigma's Extract-N-Amp Tissue PCR Kit
Published on: January 22, 2008
[Somatic mosaicism in mice detected using the RAPD-PCR method].
Molekuliarnaia Genetika, Mikrobiologiia I Virusologiia
|March 14, 2009
Summary
Researchers used random amplified polymorphic DNA (RAPD) analysis to detect genetic variations in mouse tissues. This molecular technique identified differences in DNA profiles, suggesting potential mutations or epigenetic changes.
Area of Science:
- Molecular Biology
- Genetics
- Genomics
Context:
- Investigating genetic diversity within individuals.
- Utilizing PCR amplification with random primers for DNA analysis.
- Examining 99 DNA samples from 18 mice across various organs and tissues.
Purpose:
- To identify stable and reproducible DNA amplification profiles.
- To detect variations in Random Amplified Polymorphic DNA (RAPD) profiles within and between mouse tissues.
- To explore potential causes of observed DNA profile differences.
Summary:
- Out of 27 random primers, 4 were selected for their ability to produce stable amplification profiles.
- Analysis using two selected primers revealed variations in RAPD profiles across different tissues in several mice.
- Observed differences included changes in fragment mobility and the presence or absence of DNA fragments, indicative of genomic alterations.
Impact:
- Highlights the utility of RAPD analysis for detecting subtle genetic variations.
- Suggests that observed DNA profile differences may stem from genomic rearrangements, mutations, or epigenetic modifications.
- Provides a foundation for further research into the genetic and epigenetic landscape of differentiated tissues.

