Microsatellite fragment analysis using the ABI PRISM ® 377 DNA sequencer.

Area of Science:

• Genetics
• Molecular Biology
• Bioinformatics

Background:

• The ABI PRISM 377 DNA Sequencer is a widely used platform for microsatellite-based research.
• High-throughput genotyping is crucial for various genetic studies.
• Optimizing existing platforms is key to efficient research.

Purpose of the Study:

• To present a detailed protocol for microsatellite analysis using the ABI PRISM 377 DNA Sequencer.
• To offer guidance on optimizing genotyping efficiency through multiplexing and tail-labeling.
• To provide troubleshooting information for common issues encountered with the ABI 377.

Main Methods:

• Utilizing the ABI PRISM 377 DNA Sequencer for DNA sequencing.
• Implementing multiplexing strategies for analyzing multiple microsatellite loci simultaneously.
• Employing tail-labeling techniques for enhanced marker screening.
• Documenting and analyzing common operational challenges and their solutions.

Main Results:

• A standardized protocol for microsatellite analysis on the ABI 377 is established.
• Demonstrated cost-effectiveness and high-throughput capabilities of the ABI 377 for genotyping.
• Identified key optimization strategies including multiplexing and tail-labeling.
• Compiled a comprehensive troubleshooting guide for ABI 377 users.

Conclusions:

• The ABI PRISM 377 DNA Sequencer offers a viable and economical solution for high-throughput microsatellite genotyping.
• Optimized protocols enhance the efficiency of screening large marker sets.
• Effective troubleshooting is essential for reliable and consistent results in microsatellite analysis.