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Annual Review of Biochemistry

Volume 92, 2023

The Proteins of mRNA Modification: Writers, Readers, and Erasers

Abstract

Over the past decade, mRNA modifications have emerged as important regulators of gene expression control in cells. Fueled in large part by the development of tools for detecting RNA modifications transcriptome wide, researchers have uncovered a diverse epitranscriptome that serves as an additional layer of gene regulation beyond simple RNA sequence. Here, we review the proteins that write, read, and erase these marks, with a particular focus on the most abundant internal modification, 6-methyladenosine (m6A). We first describe the discovery of the key enzymes that deposit and remove m6A and other modifications and discuss how our understanding of these proteins has shaped our views of modification dynamics. We then review current models for the function of m6A reader proteins and how our knowledge of these proteins has evolved. Finally, we highlight important future directions for the field and discuss key questions that remain unanswered.

Keyword(s): demethylase, epitranscriptome, m6A, methyltransferase, reader protein, RNA modifications
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/content/journals/10.1146/annurev-biochem-052521-035330
2023-06-20
2024-04-28
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The Proteins of mRNA Modification: Writers, Readers, and Erasers
Annual Review of Biochemistry 92, 145 (2023); https://doi.org/10.1146/annurev-biochem-052521-035330
/content/journals/10.1146/annurev-biochem-052521-035330
/content/journals/10.1146/annurev-biochem-052521-035330
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