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Accession IconSRP036157

Novel Bioinformatics Method for Identification of Genome-Wide Non-Canonical Spliced Regions using RNA-Seq Data

Organism Icon Mus musculus
Sample Icon 4 Downloadable Samples
Technology Badge IconIllumina Genome Analyzer II, Illumina Genome Analyzer IIx

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Description
We developed a bioinformatics approach called the Read-Split-Walk (RSW) pipeline, and evaluated it using two Ire1a heterozygous and two Ire1a-null samples. The 26nt non-canonical splice site in Xbp1 was detected as the top hit by our RSW pipeline in heterozygous samples but not in the negative control Ire1a knockout samples. We compared the Xbp1 results from our approach with results using the alignment program BWA, STAR, Exonerate and the Unix “grep” command. We then applied our RSW pipeline to RNA-Seq data from the SKBR3 human breast cancer cell line. RSW reported a large number of non-canonical spliced regions for 108 genes in chromosome 17, which were identified by an independent study. Overall design: Identification of non-canonical spliced regions for mouse MEF samples (two Ire1a heterozygous and two Ire1a-null samples)
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