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Linkage analysis with multiplexed short tandem repeat polymorphisms using infrared fluorescence and M13 tailed
W S Oetting1, H K Lee, D J Flanders
1Department of Medicine, University of Minnesota, Minneapolis 55455, USA.
Genomics
|December 10, 1995
Summary
Multiplexing Short Tandem Repeat Polymorphisms with Tailed Primers (MSTP) simplifies genetic linkage analysis. This method reduces polymerase chain reaction (PCR) reactions and costs for analyzing numerous STRP markers efficiently.
Area of Science:
- Genetics
- Molecular Biology
- Bioinformatics
Background:
- Short tandem repeat polymorphisms (STRPs) are crucial genetic markers for linkage analysis.
- Automated fluorescence detection enhances STRP analysis efficiency and data processing.
- Existing methods can be complex and costly.
Purpose of the Study:
- To develop a simplified and cost-effective fluorescence STRP analysis technique.
- To reduce the number of polymerase chain reaction (PCR) reactions required for STRP analysis.
- To improve the efficiency of genetic linkage analysis using STRP markers.
Main Methods:
- Developed Multiplexing STRPs with Tailed Primers (MSTP) technique.
- Utilized tailed primers with a 19-bp extension compatible with M13 sequencing primers.
- Employed M13 primer-dye conjugate for fluorescence detection, eliminating direct dye conjugation to STRP primers.
- Multiplexed up to five primer pairs in a single PCR amplification.
Main Results:
- MSTP significantly reduces the number of PCR reactions needed for STRP analysis.
- A set of 148 STRP markers can be analyzed in 37 multiplexed reactions.
- Developed automated software for STRP banding pattern detection, size determination, and data export for linkage analysis.
Conclusions:
- MSTP offers a streamlined, cost-effective approach to fluorescence STRP analysis.
- This method enhances the efficiency of genetic linkage studies.
- Automated analysis further optimizes the use of STRPs in genetic research.