Two new approaches for SNP genotyping are described. The one is based on tandem site-selective RNA scission and the genotype is determined by MALDI-TOF / MS analyses of clipped short RNA. The other is visual SNP genotyping with combinations of peptide nucleic acid (PNA) and single-stranded DNA specific nucleases.
Keywords: snp genotyping, rna, pna, selective scission, acridine, nuclease
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