Efficient Discrimination of Single Nucleotide Polymorphisms (SNPs) Using Oligonucleotides Modified with C5‐Pyrene‐Functionalized DNA and Flanking Locked Nucleic Acid (LNA) Monomers | Zendy

Kaura Mamta | Zendy; Hrdlicka Patrick J. | Zendy

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Efficient Discrimination of Single Nucleotide Polymorphisms (SNPs) Using Oligonucleotides Modified with C5‐Pyrene‐Functionalized DNA and Flanking Locked Nucleic Acid (LNA) Monomers

Author(s) -

Kaura Mamta,

Hrdlicka Patrick J.

Publication year - 2016

Publication title -

chemistry – an asian journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.18

H-Index - 106

eISSN - 1861-471X

pISSN - 1861-4728

DOI - 10.1002/asia.201600200

Subject(s) - locked nucleic acid , oligonucleotide , monomer , fluorophore , dna , nucleotide , fluorescence , pyrene , nucleic acid , chemistry , single nucleotide polymorphism , combinatorial chemistry , microbiology and biotechnology , biochemistry , biology , gene , polymer , genotype , organic chemistry , physics , quantum mechanics

Oligodeoxyribonucleotides modified with 5‐[3‐(1‐pyrenecarboxamido)propynyl]‐2′‐deoxyuridine monomer X and proximal LNA monomers display higher affinity for complementary DNA, more pronounced increases in fluorescence emission upon DNA binding, and improved discrimination of SNPs at non‐stringent conditions, relative to the corresponding LNA‐free probes across a range of sequence contexts. The results reported herein suggest that the introduction of LNA monomers influences the position of nearby fluorophores via indirect conformational restriction, a characteristic that can be utilized to develop optimized fluorophore‐labeled probes for SNP‐discrimination studies.

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