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Zinc Finger Rna-Binding Protein Zn72d Regulates Adar-Mediated Rna Editing In Neurons., Anne L Sapiro, Emily C Freund, Lucas Restrepo, Huan-Huan Qiao, Amruta Bhate, Qin Li, Jian-Quan Ni, Timothy J Mosca, Jin Billy Li
Zinc Finger Rna-Binding Protein Zn72d Regulates Adar-Mediated Rna Editing In Neurons., Anne L Sapiro, Emily C Freund, Lucas Restrepo, Huan-Huan Qiao, Amruta Bhate, Qin Li, Jian-Quan Ni, Timothy J Mosca, Jin Billy Li
Department of Neurology Faculty Papers
Adenosine-to-inosine RNA editing, catalyzed by adenosine deaminase acting on RNA (ADAR) enzymes, alters RNA sequences from those encoded by DNA. These editing events are dynamically regulated, but few trans regulators of ADARs are known in vivo. Here, we screen RNA-binding proteins for roles in editing regulation with knockdown experiments in the Drosophila brain. We identify zinc-finger protein at 72D (Zn72D) as a regulator of editing levels at a majority of editing sites in the brain. Zn72D both regulates ADAR protein levels and interacts with ADAR in an RNA-dependent fashion, and similar to ADAR, Zn72D is necessary to maintain proper neuromuscular …