Timing of photoperiodic flowering: Light perception and circadian clock

Yun Zhou, Xiao Dong Sun, Min Ni

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Flowering symbolizes the transition of a plant from vegetative phase to reproductive phase and is controlled by fairly complex and highly coordinated regulatory pathways. Over the last decade, genetic studies in Arabidopsis have aided the discovery of many signaling components involved in these pathways. In this review, we discuss how the timing of flowering is regulated by photoperiod and the involvement of light perception and the circadian clock in this process. The specific regulatory mechanisms on CONSTANS expression and CONSTANS stability by the circadian clock and photoreceptors are described in detail. In addition, the roles of CONSTANS, FLOWERING LOCUS T, and several other light signaling and circadian-dependent components in photoperiodic flowering are also highlighted.

Original languageEnglish (US)
Pages (from-to)28-34
Number of pages7
JournalJournal of Integrative Plant Biology
Volume49
Issue number1
DOIs
StatePublished - Jan 2007

Keywords

  • CONSTANS
  • Circadian clock
  • Light signaling
  • Photoperiodic flowering
  • Photoreceptors

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