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Updated: Jun 24, 2026

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
Published on: December 29, 2021
Incorporation of an inducible nucleotide analog into DNA by DNA polymerases
Md Monsur Ali1, Shuhei Imoto, Yingfu Li
1Department of Biochemistry and Biomedical Sciences, McMaster University, 1200 Main Street West, Hamilton, Canada ON L8N 3Z5.
Abstract:
Non-natural nucleotides with diverse functionalities are highly useful in many areas of basic research and practical applications. We have previously developed an efficient method for post-synthetic modifications of 2-amino-6-vinylpurine (AVP)-containing oligonucleotides, which permits conjugations of a variety of useful functional appendages to the AVP moiety in DNA. Here we report an investigation on the ability of various DNA polymerases to use 5'-triphosphate of 2'-deoxyribosyl-2-amino-6-(2-methylthioethyl)purine (a stable precursor of AVP) as the substrate for templated DNA synthesis.
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