Synthesis of Site-Specific Crown Ether Adducts to DNA Abasic Sites: 8-Oxo-7,8-Dihydro-2'-Deoxyguanosine and 2'-Deoxycytidine

Overview

Journal Methods Mol Biol

Specialty Molecular Biology

Date 2019 Apr 25

PMID 31016693

Citations 2

Authors

Na An

Aaron M Fleming

Nicole C Rosecrans

Yi Liao

Cynthia J Burrows

Affiliations

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Abstract

Formation of adducts to DNA is of great benefit to DNA sequencing and damage detection technology and to enzymology. Here we describe the synthesis and characterization procedures of 18-crown-6 adducts formed to abasic (AP) sites, 8-oxo-7,8-dihydro-2'-deoxyguanosine (OG), and 2'-deoxycytidine (C) residues in DNA oligodeoxynucleotides. These crown ether adducts were used as site-specific modifications to facilitate nanopore technology. The methods described can be readily expanded to attach other suitable primary amines of interest.

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