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CRISPR/Cas9 Editing of the C. elegans rbm-3.2 Gene using the dpy-10 Co-CRISPR Screening Marker and Assembled Ribonucleoprotein Complexes.
Published on: December 11, 2020
C to U RNA editing mediated by APOBEC1 requires RNA-binding protein RBM47
Nicolas Fossat1, Karin Tourle2, Tania Radziewic2
1Embryology Unit, Children's Medical Research Institute, Westmead, NSW, Australia Discipline of Medicine, Sydney Medical School University of Sydney, Sydney, NSW, Australia nfossat@cmri.org.au.
Abstract:
Cytidine (C) to Uridine (U) RNA editing is a post-transcriptional modification that is accomplished by the deaminase APOBEC1 and its partnership with the RNA-binding protein A1CF. We identify and characterise here a novel RNA-binding protein, RBM47, that interacts with APOBEC1 and A1CF and is expressed in tissues where C to U RNA editing occurs. RBM47 can substitute for A1CF and is necessary and sufficient for APOBEC1-mediated editing in vitro. Editing is further impaired in Rbm47-deficient mutant mice. These findings suggest that RBM47 and APOBEC1 constitute the basic machinery for C to U RNA editing.
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