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Accession IconSRP041343

A high resolution sequencing and modeling identifies distinct dynamic RNA regulatory strategies

Organism Icon Danio rerio, Mus musculus
Sample Icon No Downloadable Samples
Technology Badge IconIllumina HiSeq 2000

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To monitor the relative regulatory contributions of RNA production, processing and degradation, we sampled RNA from mouse DCs every 15 minutes, for the first 3 hours of their response to LPS (13 samples in total), following a short (10 minute) metabolic labeling pulse with 4sU preceding the sampled time point. We isolated RNA from each of these samples in two ways. First, to comprehensively measure total RNA regardless of its transcription time, we isolated RNA depleted of rRNA. Second, to measure only newly made RNA, we isolated 4sU-labeled RNA, which could only have been transcribed during the 10 minute labeling pulse and is thus enriched for short-lived transcripts, including mRNA precursors and processing intermediates. We deeply sequenced each isolated RNA population to provide the necessary depth to study exons, introns, and splicing junctions across the transcriptome. We showed our approach general utility by also applying it to lincRNAs and early zebrafish development data Overall design: Time-course mRNA profiles of mouse DCs that were stimulated with LPS, and labeled with a short (10 minute) 4sU pulse (0-3 hours, 15 min. intervals, 13 time points).
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