ArticleNucleic acids research2024
Template-independent synthesis and 3'-end labelling of 2'-modified oligonucleotides with terminal deoxynucleotidyl transferases.
Article in Nucleic acids research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Engineered polymerase-mediated efficient synthesis of site-specifically functionalized RNA and 2'-modified RNA oligonucleotides via genetic alphabet expansion.Nature communications · 2026Article
- Advances and challenges in non-canonical nucleic acids data storage.Nature communications · 2026Review
- Aspergillus fumigatus PolX1 is an early ancestor of vertebrate terminal deoxynucleotidyl transferases.Nucleic acids research · 2026Article
- Enzymatic synthesis of key RNA therapeutic building blocks using simple phosphate donors.Nature communications · 2025Article
- A solid-phase enzymatic synthesis platform for the facile production of 2'-fluoroarabinonucleic acid (FANA) and chimeric XNA oligonucleotides using an evolved XNA polymerase.Nucleic acids research · 2025Article
- Template-independent enzymatic functionalization of DNA oligonucleotides with environment-sensitive nucleotide probes using terminal deoxynucleotidyl transferase.Nucleic acids research · 2025Article
- Design, Expression, and Purification of a Fusion Enzyme Containing Terminal Deoxynucleotidyl Transferase fromProtein and peptide letters · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
Xenobiotic nucleic acids (XNAs) are artificial genetic polymers with altered structural moieties and useful features, such as enhanced biological and chemical stability. Enzymatic synthesis and efficient labelling of XNAs are crucial for their broader application. Terminal deoxynucleotidyl transferases (TdTs) have been exploited for the de novo synthesis and labelling of DNA and demonstrated the capability of recognizing various substrates. However, the activities of TdTs for the synthesis and labelling of commonly used XNAs with 2' modifications have not been systematically explored. In this work, we explored and demonstrated the varied activities of three TdTs (bovine TdT, MTdT-evo and murine TdT) for the template-independent incorporation of 2'-methoxy NTPs, 2'-fluoro NTPs and 2'-fluoroarabino NTPs into the 3' ends of single- and double-stranded DNAs and the extension of 2'-modified XNAs with (d)NTPs containing a natural or unnatural nucleobase. Taking advantages of these activities, we established a strategy for protecting single-stranded DNAs from exonuclease I degradation by TdT-synthesized 2'-modified XNA tails and methods for 3'-end labelling of 2'-modified XNAs by TdT-mediated synthesis of G-quadruplex-containing tails or incorporation of nucleotides with a functionalized nucleobase. A DNA-2'-fluoroarabino nucleic acid (FANA) chimeric hydrogel was also successfully constructed based on the extraordinary activity of MTdT-evo for template-independent FANA synthesis.
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