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Dideoxy linear PCR on a commercial fluorescent automated DNA sequencer
M Manoni1, R Pergolizzi, M Luzzana
1Consiglio Nazionale delle Ricerche, Istituto di Tecnologie, Biomediche Avanzate, Milano, Italy.
Biotechniques
|January 1, 1992
Summary
This study introduces a linear PCR method for DNA sequencing, improving efficiency for large-scale analysis. The new protocol accurately sequences over 500 bases from minimal DNA, enhancing automated DNA sequencing systems.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- Automated fluorescent DNA sequencing and PCR-based methods are crucial for efficient large-scale DNA analysis.
- Optimizing DNA sequencing protocols is essential for advancing genomic research and applications.
Purpose of the Study:
- To demonstrate the application of linear PCR with a single fluorescent primer for DNA sequencing.
- To improve the sensitivity and performance of automated DNA sequencing systems.
Main Methods:
- Utilized linear PCR with a single fluorescent primer and dideoxynucleotide terminators.
- Performed sequencing reactions on the EMBL/Pharmacia fluorescent automated DNA sequencer.
- Optimized dideoxy/deoxynucleoside triphosphate ratios and linear amplification cycles.
Main Results:
- Achieved accurate DNA sequencing of up to and over 500 bases.
- Required only 400 ng of double-stranded DNA template.
- Eliminated the need for chemical denaturation of the DNA template.
Conclusions:
- The described linear PCR sequencing protocol enhances the sensitivity and performance of automated DNA sequencing.
- This method is suitable for efficient large-scale DNA analysis using minimal template DNA.
- The protocol offers an improved approach for automated DNA sequencing applications.