Abstract
Nearly all cells in plants show self-sustained circadian oscillation, which is generated through expression of clock genes and interacts each other via the diffusion of materials. Therefore, the plant can be considered as a coupled oscillator system. In general, the coupled oscillator system can regulate itself and produces various spatiotemporal dynamics. Such behavior can be described by use of the coupled oscillator model.
In this presentation, I introduce the experiments of the spatiotemporal dynamics in plant circadian clocks using transgenic Arabidopsis thaliana CCA1::LUC with the clock gene CCA1 fused to a modified firefly luciferase gene. I explain the mathematics of the plant circadian clocks as a coupled oscillator system, and then discuss about the emergence principles of plant systems with regarded to the circadian clock.