Chapter title |
A Pipeline for PAR-CLIP Data Analysis.
|
---|---|
Chapter number | 12 |
Book title |
Post-Transcriptional Gene Regulation
|
Published in |
Methods in molecular biology, January 2016
|
DOI | 10.1007/978-1-4939-3067-8_12 |
Pubmed ID | |
Book ISBNs |
978-1-4939-3066-1, 978-1-4939-3067-8
|
Authors |
Jens, Marvin, Marvin Jens |
Editors |
Erik Dassi |
Abstract |
Photo-activatable ribonucleoside cross-linking and immunoprecipitation (PAR-CLIP) is a method to detect binding sites of RNA-binding proteins (RBPs) transcriptome-wide. This chapter covers the computational analysis of the high-throughput sequencing reads generated from PAR-CLIP experiments. It explains how the reads are mutated due to UV cross-linking and how to appropriately pre-process and align them to a reference sequence. Aligned reads are then aggregated into clusters which represent putative RBP-binding sites. Mapping artifacts are a source of false positives, which can be controlled by means of a mapping decoy and adaptive quality filtering of the read clusters. A step-by-step explanation of this procedure is given. All necessary tools are open source, including the scripts presented and used in this chapter. |
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Unknown | 12 | 30% |