High-resolution sequencing and modeling identifies distinct dynamic RNA regulatory strategies.

High-resolution sequencing and modeling identifies distinct dynamic RNA regulatory strategies.
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DOI:
10.1016/j.cell.2014.11.015
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发表时间:
2014-12-18
期刊:
影响因子:
64.5
通讯作者:
Regev A
Regev A
中科院分区:
生物学1区
文献类型:
--
作者:
Rabani M;Raychowdhury R;Jovanovic M;Rooney M;Stumpo DJ;Pauli A;Hacohen N;Schier AF;Blackshear PJ;Friedman N;Amit I;Regev A

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Cells control dynamic transitions in transcript levels by regulating transcription, processing and/or degradation through an integrated regulatory strategy. Here, we combine RNA metabolic labeling, rRNA-depleted RNA-seq, and DRiLL, a novel computational framework, to quantify the level, editing sites, and transcription, processing and degradation rates of each transcript at a splice junction resolution during the LPS response of mouse dendritic cells. Four key regulatory strategies, dominated by RNA transcription changes, generate most temporal gene expression patterns. Non-canonical strategies that also employ dynamic posttranscriptional regulation control only a minority of genes, but provide unique signal processing features. We validate Tristetraprolin (TTP) as a major regulator of RNA degradation in one non-canonical strategy. Applying DRiLL to the regulation of non-coding RNAs and to zebrafish embryogenesis demonstrates its broad utility. Our study provides a new quantitative approach to discover transcriptional and post-transcriptional events that control dynamic changes in transcript levels using RNA-Seq data.
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