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Conversion of capillary electrophoresis microchip genotyping data for analysis with Genetic Profiler software
G J Wedemayer1, I Medintz, W W Wong
1University of California at Berkeley, Berkeley, CA, USA.
Biotechniques
|February 24, 2001
Summary
This study presents a method to convert 4-color fluorescent genotyping data from microchip electrophoresis into a format compatible with Genetic Profiler software. This enables rapid DNA fragment analysis using robust commercial tools.
Area of Science:
- Genetics
- Bioinformatics
- Analytical Chemistry
Background:
- Capillary array electrophoresis microchip devices generate 4-color fluorescent genotyping data.
- Existing data formats can be challenging for rapid analysis with commercial software like Genetic Profiler.
Purpose of the Study:
- To develop a method for converting microchip electrophoresis data into a format suitable for Genetic Profiler.
- To enable rapid and efficient analysis of DNA fragment sizing data.
Main Methods:
- Fluorescence intensity data were collected and stored as tab-delimited text files.
- A C utility program, TEXT-to-ESD, converted text files to electrophoretic signal data (ESD) files.
- Multiple ESD files were assembled into run folders for import into Genetic Profiler.
Main Results:
- The TEXT-to-ESD program successfully converted microchip data into ESD files.
- Genetic Profiler software could efficiently analyze the converted data, generating 4-color electropherograms.
- The workflow facilitated rapid DNA fragment sizing analysis.
Conclusions:
- The developed data conversion method streamlines the analysis of high-throughput genotyping data.
- This approach enhances the utility of microchip electrophoresis devices for genetic analysis.
- The conversion program supports data preprocessed by third-party software, increasing flexibility.
