Subcellular localization of AtDOF4.7. Transient expression in onion epidermal cells of free GFP and AtDOF4.7::GFP fusion proteins. A, Localization of free GFP fluorescence in onion epidermal cells. B, Localization of AtDOF4.7::GFP fluorescence in onion epidermal cells. Left to right: GFP fluorescence image (I), DAPI staining image (II), transmission image (III), and merged image (IV). Bar = 100 μm.