[Improvement on PCR-CTPP: a SNP genotyping approach based on mismatch technique].
2011
To explore the technique principle of PCR with confronting two-pair primers (PCR-CTPP) and improve the accuracy of SNP genotyping by taking the 1298 locus of human gene MTHFR as an example, the reliability between conventional PCR-CTPP and improved PCR-CTPP was compared using reconstructed PCR-CTPP detecting system in terms of designing appropriate primers and optimizing annealing temperature and the final concentration of primers. The improved PCR-CTPP detection system proved to be more accurate, which supported the viewpoint on the theoretical defects of conventional PCR-CTPP. The large-scale study verified the reliability of the improved method. It is expected that this improved technique would be widely used in the field of medicine and molecular biology.
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