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Curr Top Microbiol Immunol. 2012;353:61-90. doi: 10.1007/82_2011_157.

Editing of neurotransmitter receptor and ion channel RNAs in the nervous system.

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  • 1Training Program in Cellular and Molecular Neuroscience, Vanderbilt University School of Medicine, Nashville, TN 37232-8548, USA.


The central dogma of molecular biology defines the major route for the transfer of genetic information from genomic DNA to messenger RNA to three-dimensional proteins that affect structure and function. Like alternative splicing, the post-transcriptional conversion of adenosine to inosine (A-to-I) by RNA editing can dramatically expand the diversity of the transcriptome to generate multiple, functionally distinct protein isoforms from a single genomic locus. While RNA editing has been identified in virtually all tissues, such post-transcriptional modifications have been best characterized in RNAs encoding both ligand- and voltage-gated ion channels and neurotransmitter receptors. These RNA processing events have been shown to play an important role in the function of the encoded protein products and, in several cases, have been shown to be critical for the normal development and function of the nervous system.

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