D. Subcellular localization of BES1-CFP in roots of 7-day-old plants after heat shock. 35S:BES1-CFP seedlings were grown at 21°C and either left untreated or exposed for 60 minutes to 45°C. Left: representative photos. Right: quantification of the nuclear/cytoplasmic signal. Data show the mean ±SD. n=25. The asterisks indicate significant differences to the untreated plants by Student's t-test (***P≤0.001). 