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Overlapping transcripts, double-stranded RNA and antisense regulation: A genomic perspective

Overlapping transcripts, double-stranded RNA and antisense regulation: A genomic perspective Bioinformatic analysis of the transcriptomes of diverse eukaryotes has demonstrated the ubiquity and structural diversity of complementary antisense RNAs. These include both trans-encoded microRNAs and a large population of cis-encoded antisense RNAs that encompasses both coding and non-coding RNAs. Antisense regulation has previously been characterized primarily as a post-transcriptional response affecting RNA stability, nuclear processing, export, or translation. However, the formation of double-stranded (ds) RNAs by base-pairing between complementary RNAs may elicit regulatory responses at the transcriptional level as well. Analysis of antisense transcription at several imprinted loci has suggested a number of other mechanisms that may not require formation of dsRNA. Understanding the integration of transcriptional and post-transcriptional regulatory mechanisms represents a major challenge for understanding antisense regulation in eukaryotes. Such insight is also essential for understanding general principles of genetic regulation within the complex genomes characteristic of mouse and man as well as those of other eukaryotes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cellular and Molecular Life Sciences Springer Journals

Overlapping transcripts, double-stranded RNA and antisense regulation: A genomic perspective

Cellular and Molecular Life Sciences , Volume 63 (18) – Jul 17, 2006

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References (210)

Publisher
Springer Journals
Copyright
Copyright © 2006 by Birkhäuser Verlag, Basel
Subject
Life Sciences; Biomedicine general; Life Sciences, general; Biochemistry, general; Cell Biology
ISSN
1420-682X
eISSN
1420-9071
DOI
10.1007/s00018-006-6070-2
pmid
16847578
Publisher site
See Article on Publisher Site

Abstract

Bioinformatic analysis of the transcriptomes of diverse eukaryotes has demonstrated the ubiquity and structural diversity of complementary antisense RNAs. These include both trans-encoded microRNAs and a large population of cis-encoded antisense RNAs that encompasses both coding and non-coding RNAs. Antisense regulation has previously been characterized primarily as a post-transcriptional response affecting RNA stability, nuclear processing, export, or translation. However, the formation of double-stranded (ds) RNAs by base-pairing between complementary RNAs may elicit regulatory responses at the transcriptional level as well. Analysis of antisense transcription at several imprinted loci has suggested a number of other mechanisms that may not require formation of dsRNA. Understanding the integration of transcriptional and post-transcriptional regulatory mechanisms represents a major challenge for understanding antisense regulation in eukaryotes. Such insight is also essential for understanding general principles of genetic regulation within the complex genomes characteristic of mouse and man as well as those of other eukaryotes.

Journal

Cellular and Molecular Life SciencesSpringer Journals

Published: Jul 17, 2006

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