Novel analysis for single nucleotide polymorphism using cationic comb-type copolymers
Author(s) -
Naohiko Shimada,
Kunio Muraki,
Toyoaki Anai,
Arihiro Kano,
Atsushi Maruyama
Publication year - 2007
Publication title -
nucleic acids symposium series
Language(s) - English
Resource type - Journals
eISSN - 1746-8272
pISSN - 0261-3166
DOI - 10.1093/nass/nrm170
Subject(s) - cationic polymerization , dna , nucleotide , microbiology and biotechnology , betaine , copolymer , single nucleotide polymorphism , base pair , single strand , genetics , chemistry , biology , biophysics , biochemistry , polymer chemistry , gene , polymer , genotype , organic chemistry
We have focused on the DNA strand exchange reaction (SER) as a format of a single-base mismatch detection. We employed a partially double-stranded (PDS) DNA probe having a single-stranded (ss) portion. We could rapidly recognize a single-base mismatch by the SER rates between the PDS probes and target ss DNAs. In the presence of cationic comb-type copolymers (PLL-g-Dex) and betaine, the PDS probes could clearly discriminate between A:T matched and A:G mismatched targets. Furthermore, the PDS probes could discriminate among homo- and hetero-type alleles.
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