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KMID : 0368420080510050321
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Journal of Plant Biology
2008 Volume.51 No. 5 p.321 ~ p.326
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Ambient temperature signaling in plants: An emerging field in the regulation of flowering time
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Lee Jeong-Hwan
Lee Jong-Seob
Ahn Ji-Hoon
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Abstract
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Plants show remarkable developmental plasticity to survive in a continually changing environment. One example is their capability to adjust flowering time in response to environmental changes. Ambient growth temperature, which is strongly affected by global temperature changes, has a profound effect on flowering time. However, those effects have been largely ignored in research. Recent molecular genetic studies ofArabidopsis as a model system have implicated several genes, and have identified a molecular mechanism underlying the responses of plants to changes in ambient temperature. Here, we describe recent discoveries related to ambient temperature signaling and the control of flowering time inArabidopsis. We also discuss current perspectives on how plants sense and respond to such changes.
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KEYWORD
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ambient temperature, flowering time, photoreceptor, temperature compensation, thermosensor, thermosensory pathway
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