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Subcellular localization analysis of PtrPRP. GFP (A,C) or PtrPRP-GFP (B,D) was transiently expressed in onion epidermal cells by Agrobacterium-mediated transfection, and the onion cells were observed under a confocal microscope (A,B) or fluorescence microscope (C,D). Images taken under bright (left) or dark (middle) field were shown, while the merged images are shown on the right.
