Coordination of Plastid and Light Signaling Pathways upon Development of Arabidopsis Leaves under Various Photoperiods

Plants synchronize their cellular and physiological functions according to the photoperiod （the length of the light period） in the cycle of 24 h. Photoperiod adjusts several traits in the plant life cycle, including flowering and senes- cence in annuals and seasonal growth cessation in perennials. P...

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Bibliographic Details
Published in:Molecular plant 2012-07, Vol.5 (4), p.799-816
Main Author: Anna Lepisto Eevi Rintamaki
Format: Article
Language:English
Subjects:
acclimation
Arabidopsis - cytology
Arabidopsis - growth & development
Arabidopsis - metabolism
Arabidopsis - radiation effects
chloroplast biology
circadian clock
leaf/vegetative development
Light
light signaling
photomorphogenesis
Photoperiod
Plant Leaves - cytology
Plant Leaves - growth & development
Plant Leaves - metabolism
Plant Leaves - radiation effects
plastid signaling
Plastids - metabolism
Plastids - radiation effects
Review
Signal Transduction - radiation effects
一年生植物
信号控制
信号转导通路
光周期调节
协调发展
叶片
拟南芥
质体
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Summary:Plants synchronize their cellular and physiological functions according to the photoperiod （the length of the light period） in the cycle of 24 h. Photoperiod adjusts several traits in the plant life cycle, including flowering and senes- cence in annuals and seasonal growth cessation in perennials. Photoperiodic development is controlled by the coordinated action of photoreceptors and the circadian clock. During the past 10 years, remarkable progress has been made in under- standing the molecular mechanism of the circadian clock, especially with regard to the transition of Arabidopsis from the vegetative growth to the reproductive phase. Besides flowering photoperiod also modifies plant photosynthetic struc- tures and traits. Light signals controlling biogenesis of chloroplasts and development of leaf photosynthetic structures are perceived both by photoreceptors and in chloroplasts. In this review, we provide evidence suggesting that the photope- riodic development of Arabidopsis leaves mimics the acclimation of plant to various light intensities. Furthermore, the chloroplast-to-nucleus retrograde signals that adjust acclimation to light intensity are proposed to contribute also to the signaling pathways that control photoperiodic acclimation of leaves.
ISSN:1674-2052
1752-9867
DOI:10.1093/mp/ssr106