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Review
. 2017 Jul;33(7):464-478.
doi: 10.1016/j.tig.2017.04.004. Epub 2017 May 20.

The Dimensions, Dynamics, and Relevance of the Mammalian Noncoding Transcriptome

Ira W Deveson  1 , Simon A Hardwick  2 , Tim R Mercer  2 , John S Mattick  3
Affiliations
Review

The Dimensions, Dynamics, and Relevance of the Mammalian Noncoding Transcriptome

Ira W Deveson et al. Trends Genet. 2017 Jul.

Abstract

The combination of pervasive transcription and prolific alternative splicing produces a mammalian transcriptome of great breadth and diversity. The majority of transcribed genomic bases are intronic, antisense, or intergenic to protein-coding genes, yielding a plethora of short and long non-protein-coding regulatory RNAs. Long noncoding RNAs (lncRNAs) share most aspects of their biogenesis, processing, and regulation with mRNAs. However, lncRNAs are typically expressed in more restricted patterns, frequently from enhancers, and exhibit almost universal alternative splicing. These features are consistent with their role as modular epigenetic regulators. We describe here the key studies and technological advances that have shaped our understanding of the dimensions, dynamics, and biological relevance of the mammalian noncoding transcriptome.

Keywords: RNA regulation; alternative splicing; long noncoding RNAs (lncRNAs); pervasive transcription.

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