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Methods to Increase the Sensitivity of High Resolution Melting Single Nucleotide Polymorphism Genotyping in Malaria
Published on: November 10, 2015
Rapid SNP diagnostics using asymmetric isothermal amplification and a new mismatch-suppression technology
Yasumasa Mitani1, Alexander Lezhava, Yuki Kawai
1Genome Exploration Research Group (Genome Network Project Core Group), RIKEN Genomic Sciences Center (GSC), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan.
Nature Methods
|February 27, 2007
Summary
We developed a rapid single nucleotide polymorphism (SNP) detection system, SMAP 2, for precise allele identification. This isothermal technology provides results from whole blood in 30 minutes, aiding pharmacogenomics and diagnostics.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- Accurate single nucleotide polymorphism (SNP) detection is crucial for pharmacogenomics and molecular diagnostics.
- Existing methods may lack the speed or precision required for certain applications.
Purpose of the Study:
- To develop a rapid and highly precise SNP detection system.
- To introduce a novel isothermal DNA amplification technology for allele identification.
Main Methods:
- Developed the Smart Amplification Process version 2 (SMAP 2) system.
- Utilized two novel approaches to suppress background DNA amplification.
- Employed a new DNA polymerase (Aac pol) from Alicyclobacillus acidocaldarius.
- Created specific software for SMAP 2 primer design.
Main Results:
- SMAP 2 enables allele identification solely through DNA amplification with perfect primer matches.
- Achieved isothermal SNP detection from whole human blood in 30 minutes.
- Demonstrated high precision by suppressing mispriming events.
Conclusions:
- SMAP 2 offers a high-precision, rapid DNA amplification technology for SNP detection.
- The system is suitable for pharmacogenomic research and molecular diagnostics.
- Associated primer design software facilitates assay configuration.
