期刊
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
卷 49, 期 1, 页码 28-34出版社
WILEY
DOI: 10.1111/j.1744-7909.2006.00411.x
关键词
circadian clock; CONSTANS; light signaling; photoperiodic flowering; photoreceptors
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.
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