Alt Event Finder: a tool for extracting alternative splicing events from RNA-seq data

BMC Genomics
Ao ZhouYunlong Liu

Abstract

Alternative splicing increases proteome diversity by expressing multiple gene isoforms that often differ in function. Identifying alternative splicing events from RNA-seq experiments is important for understanding the diversity of transcripts and for investigating the regulation of splicing. We developed Alt Event Finder, a tool for identifying novel splicing events by using transcript annotation derived from genome-guided construction tools, such as Cufflinks and Scripture. With a proper combination of alignment and transcript reconstruction tools, Alt Event Finder is capable of identifying novel splicing events in the human genome. We further applied Alt Event Finder on a set of RNA-seq data from rat liver tissues, and identified dozens of novel cassette exon events whose splicing patterns changed after extensive alcohol exposure. Alt Event Finder is capable of identifying de novo splicing events from data-driven transcript annotation, and is a useful tool for studying splicing regulation.

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Related Concepts

Nested Transcripts
Alcohols
Exons
Genome
Sequence Determinations, RNA
Proteome
Liver Parenchyma
Nuclear mRNA Cis Splicing, via Spliceosome
RNA Splicing
Genome, Human

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