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© Research
Publication : Chemical Society Reviews

Recent progress in non-native nucleic acid modifications

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Chemical Society Reviews - 27 Apr 2021

Luke K. McKenzie, Roberto El-Khoury, James D. Thorpe, Masad J. Damha* and Marcel Hollenstein*

Link to DOI – 10.1039/d0cs01430c

Chem. Soc. Rev. 2021, 50, 5126–5164

While Nature harnesses RNA and DNA to store, read and write genetic information, the inherent
programmability, synthetic accessibility and wide functionality of these nucleic acids make them
attractive tools for use in a vast array of applications. In medicine, antisense oligonucleotides (ASOs),
siRNAs, and therapeutic aptamers are explored as potent targeted treatment and diagnostic modalities,
while in the technological field oligonucleotides have found use in new materials, catalysis, and data
storage. The use of natural oligonucleotides limits the possible chemical functionality of resulting
technologies while inherent shortcomings, such as susceptibility to nuclease degradation, provide
obstacles to their application. Modified oligonucleotides, at the level of the nucleobase, sugar and/or
phosphate backbone, are widely used to overcome these limitations. This review provides the reader
with an overview of non-native modifications and the challenges faced in the design, synthesis,
application and outlook of novel modified oligonucleotides.

https://pubs.rsc.org/en/content/articlehtml/2021/CS/D0CS01430C