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Rapid Alteration in IRX3-GFP Fluorescence during Xylem Development.
Two series of successive confocal images taken at 1-min intervals showing IRX3-GFP fluorescence in a developing xylem vessel. Arrows indicate a banded area of IRX3-GFP fluorescence that transiently exhibits a dramatic increase in brightness. Arrowheads indicate a region of IRX3-GFP fluorescence moving along a cell that transiently associates with the stable band of IRX3-GFP fluorescence. Bar = 15 μm.
