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Analysis of CLIP and iCLIP methods for nucleotide-resolution studies of protein-RNA interactions.


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Authors

Sugimoto, Yoichiro 
König, Julian 
Hussain, Shobbir 
Zupan, Blaž 
Curk, Tomaž 

Abstract

UV cross-linking and immunoprecipitation (CLIP) and individual-nucleotide resolution CLIP (iCLIP) are methods to study protein-RNA interactions in untreated cells and tissues. Here, we analyzed six published and two novel data sets to confirm that both methods identify protein-RNA cross-link sites, and to identify a slight uridine preference of UV-C-induced cross-linking. Comparing Nova CLIP and iCLIP data revealed that cDNA deletions have a preference for TTT motifs, whereas iCLIP cDNA truncations are more likely to identify clusters of YCAY motifs as the primary Nova binding sites. In conclusion, we demonstrate how each method impacts the analysis of protein-RNA binding specificity.

Description

Keywords

Animals, Antigens, Neoplasm, COS Cells, Chlorocebus aethiops, Gene Library, HeLa Cells, High-Throughput Nucleotide Sequencing, Humans, Immunoprecipitation, Methyltransferases, Mice, Molecular Sequence Annotation, Nerve Tissue Proteins, Neuro-Oncological Ventral Antigen, RNA, RNA-Binding Proteins, Sequence Analysis, DNA, Sequence Deletion

Journal Title

Genome Biol

Conference Name

Journal ISSN

1474-760X
1474-760X

Volume Title

Publisher

Springer Science and Business Media LLC
Sponsorship
Medical Research Council (G0800784)
Medical Research Council (G0801904)