Circadian genomics reveal a role for post-transcriptional regulation in mammals

Shihoko Kojima, Carla B. Green

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

To maintain daily cycles, the circadian clock must tightly regulate the rhythms of thousands of mRNAs and proteins with the correct period, phase, and amplitude to ultimately drive the wide range of rhythmic biological processes. Recent genomic approaches have revolutionized our view of circadian gene expression and highlighted the importance of post-transcriptional regulation in driving mRNA rhythmicity. Even after transcripts are made from DNA, subsequent processing and regulatory steps determine when, where, and how much protein will be generated. These post-transcriptional regulatory mechanisms can add flexibility to overall gene expression and alter protein levels rapidly without requiring transcript synthesis and are therefore beneficial for cells; however, the extent to which circadian post-transcriptional mechanisms contribute to rhythmic profiles throughout the genome and the mechanisms involved have not been fully elucidated. In this review, we will summarize how circadian genomics have revealed new insights into rhythmic post-transcriptional regulation in mammals and discuss potential implications of such regulation in controlling many circadian-driven physiologies.

Original languageEnglish (US)
Pages (from-to)124-133
Number of pages10
JournalBiochemistry
Volume54
Issue number2
DOIs
StatePublished - Jan 20 2015

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Mammals
Genomics
Gene expression
Biological Phenomena
Gene Expression
Messenger RNA
Circadian Clocks
Proteins
Physiology
Periodicity
Clocks
Genes
Genome
DNA
Processing

ASJC Scopus subject areas

  • Biochemistry

Cite this

Circadian genomics reveal a role for post-transcriptional regulation in mammals. / Kojima, Shihoko; Green, Carla B.

In: Biochemistry, Vol. 54, No. 2, 20.01.2015, p. 124-133.

Research output: Contribution to journalArticle

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