Circadian clocks: A tale of two feedback loops

Ravi Allada*

*Corresponding author for this work

Research output: Contribution to journalShort surveypeer-review

45 Scopus citations


Circadian clocks in a wide range of organisms are thought to consist of two interdependent transcriptional feedback loops. In Drosophila, the first loop has been well characterized and controls rhythmic period expression. In this issue of Cell, Cyran et al. (2003) define a role for a transcriptional activator and a repressor in the second feedback loop.

Original languageEnglish (US)
Pages (from-to)284-286
Number of pages3
Issue number3
StatePublished - Feb 7 2003

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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