Multifaceted mammalian transcriptome

Piero Carninci, Jun Yasuda, Yoshihide Hayashizaki

Research output: Contribution to journalReview articlepeer-review

69 Citations (Scopus)


Despite surprisingly a small number of protein-coding gene in mammalian genomes, a large variety of different RNAs is being produced. These RNAs are amazingly different in their number, size, cell localization, and mechanism of actions. Although new classes of short RNAs (sRNAs) are being continuously discovered, it is not yet obvious how many of the sRNAs are originated. Altogether, the research in the recent few years has identified an unexpectedly rich variety of mechanisms by which noncoding RNAs act, suggesting that we have identified probably only few of the many potential functional mechanism and more investigation will be needed to comprehensively understand the complex nature and biology of mammalian RNAome. Here, we focus on various aspects of the diversity of the biological role of these nonprotein-coding RNAs (ncRNAs), with emphasis on functional mechanisms recently elucidated.

Original languageEnglish
Pages (from-to)274-280
Number of pages7
JournalCurrent Opinion in Cell Biology
Issue number3
Publication statusPublished - 2008 Jun
Externally publishedYes

ASJC Scopus subject areas

  • Cell Biology


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