Related Experiment Videos
Uniform band intensities in fluorescent dye terminator sequencing
S Kumar1, C W Fuller, S Nampalli
1Amersham Pharmacia Biotech, Cleveland, OH 44128, USA.
Nucleosides & Nucleotides
|August 5, 1999
Summary
Cyanine dye-labeled terminators enhance DNA sequencing accuracy and read length. This method also improves the detection of single base heterozygotes in sequencing data.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Dye-terminator sequencing is a common method for DNA analysis.
- Optimizing dye-labeled terminators is crucial for improving sequencing efficiency and accuracy.
Purpose of the Study:
- To evaluate the effectiveness of Cyanine dye (Cy5 and Cy5.5) labeled dideoxy terminators in DNA sequencing.
- To assess the impact of these terminators on sequence read-length, accuracy, and heterozygote detection.
Main Methods:
- Utilizing Thermo Sequenase DNA polymerase with Cyanine dye (Cy5 and Cy5.5) labeled dideoxy terminators.
- Performing DNA sequencing experiments to analyze results.
Main Results:
- The use of Cyanine dye-labeled terminators resulted in uniform band intensity.
- Significant improvements were observed in DNA sequence read-length and accuracy.
- The method enhanced the detection of single base heterozygotes.
Conclusions:
- Cyanine dye-labeled dideoxy terminators offer substantial advantages for DNA sequencing.
- This approach leads to more reliable and accurate sequencing results, including improved heterozygote identification.