Abstract:Simple and rapid methods for the detection of single nucleotide polymorphisms (SNPs) are required to analyze the genetic information. We have previously isolated DNA aptamers that bind to cholic acid by an in vitro selection method. A common feature of the sequences of the aptamers was that they included a secondary structure, a three-way junction, in which three stems were connected at the junction. It was also revealed that three-way junctions with fully matched three stems bind cholic acid whereas single-ba… Show more
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