Chemical methods for the modification of RNA. 2019

Marie Flamme, and Luke K McKenzie, and Ivo Sarac, and Marcel Hollenstein
Institut Pasteur, Department of Structural Biology and Chemistry, Laboratory for Bioorganic Chemistry of Nucleic Acids, CNRS UMR3523, 28, rue du Docteur Roux, 75724 Paris Cedex 15, France; Sorbonne Université, Collège doctoral, F-75005 Paris, France.

RNA is often considered as being the vector for the transmission of genetic information from DNA to the protein synthesis machinery. However, besides translation RNA participates in a broad variety of fundamental biological roles such as gene expression and regulation, protein synthesis, and even catalysis of chemical reactions. This variety of function combined with intricate three-dimensional structures and the discovery of over 100 chemical modifications in natural RNAs require chemical methods for the modification of RNAs in order to investigate their mechanism, location, and exact biological roles. In addition, numerous RNA-based tools such as ribozymes, aptamers, or therapeutic oligonucleotides require the presence of additional chemical functionalities to strengthen the nucleosidic backbone against degradation or enhance the desired catalytic or binding properties. Herein, the two main methods for the chemical modification of RNA are presented: solid-phase synthesis using phosphoramidite precursors and the enzymatic polymerization of nucleoside triphosphates. The different synthetic and biochemical steps required for each method are carefully described and recent examples of practical applications based on these two methods are discussed.

UI MeSH Term Description Entries
D009841 Oligonucleotides Polymers made up of a few (2-20) nucleotides. In molecular genetics, they refer to a short sequence synthesized to match a region where a mutation is known to occur, and then used as a probe (OLIGONUCLEOTIDE PROBES). (Dorland, 28th ed) Oligonucleotide
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012313 RNA A polynucleotide consisting essentially of chains with a repeating backbone of phosphate and ribose units to which nitrogenous bases are attached. RNA is unique among biological macromolecules in that it can encode genetic information, serve as an abundant structural component of cells, and also possesses catalytic activity. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed) RNA, Non-Polyadenylated,Ribonucleic Acid,Gene Products, RNA,Non-Polyadenylated RNA,Acid, Ribonucleic,Non Polyadenylated RNA,RNA Gene Products,RNA, Non Polyadenylated
D052157 Aptamers, Nucleotide Nucleotide sequences, generated by iterative rounds of SELEX APTAMER TECHNIQUE, that bind to a target molecule specifically and with high affinity. DNA Aptamer,DNA Aptamers,RNA Aptamers,Rna Aptamer,Nucleotide Aptamers,Oligonucleotide Ligands, DNA,Oligonucleotide Ligands, RNA,Aptamer, DNA,Aptamer, Rna,Aptamers, DNA,Aptamers, RNA,DNA Oligonucleotide Ligands,RNA Oligonucleotide Ligands
D060327 Solid-Phase Synthesis Techniques Techniques used to synthesize chemicals using molecular substrates that are bound to a solid surface. Typically a series of reactions are conducted on the bound substrate that results in either the covalent attachment of specific moieties or the modification of existing function groups. These techniques offer an advantage to those involving solution reactions in that the substrate compound does not have to be isolated and purified between the reaction steps. Solid-Phase Synthesis,Peptide Synthesis, Solid-Phase,Solid-Phase Nucleotide Synthesis,Solid-Phase Nucleotide Synthesis Techniques,Solid-Phase Peptide Synthesis,Solid-Phase Peptide Synthesis Techniques,Solid-Phase Synthesis Methods,Synthesis, Solid-Phase,Method, Solid-Phase Synthesis,Methods, Solid-Phase Synthesis,Nucleotide Syntheses, Solid-Phase,Nucleotide Synthesis, Solid-Phase,Peptide Syntheses, Solid-Phase,Peptide Synthesis, Solid Phase,Solid Phase Nucleotide Synthesis,Solid Phase Nucleotide Synthesis Techniques,Solid Phase Peptide Synthesis,Solid Phase Peptide Synthesis Techniques,Solid Phase Synthesis,Solid Phase Synthesis Methods,Solid Phase Synthesis Techniques,Solid-Phase Nucleotide Syntheses,Solid-Phase Peptide Syntheses,Solid-Phase Syntheses,Solid-Phase Synthesis Method,Solid-Phase Synthesis Technique,Syntheses, Solid-Phase,Syntheses, Solid-Phase Nucleotide,Syntheses, Solid-Phase Peptide,Synthesis Method, Solid-Phase,Synthesis Methods, Solid-Phase,Synthesis Technique, Solid-Phase,Synthesis Techniques, Solid-Phase,Synthesis, Solid Phase,Synthesis, Solid-Phase Nucleotide,Synthesis, Solid-Phase Peptide,Technique, Solid-Phase Synthesis,Techniques, Solid-Phase Synthesis

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