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Figure 4 | BMC Cell Biology

Figure 4

From: Examination of actin and microtubule dependent APC localisations in living mammalian cells

Figure 4

Detailed imaging of full-length GFP-APC in living COS-7 cells. Panel A. In subconfluent cells GFP-APC decorates the distal tips of microtubules at cell vertices (arrows, additional file 1, 5s time lapse). Panels B-D. GFP-APC clusters decorating distal tips of microtubules in fixed GFP-APC expressing cells. GFP-APC green, tubulin red and DAPI blue, panel D is a merged image. Panels E-H. GFP-APC puncta can be deposited at the cell cortex (arrows, additional file 2). Panels I-L. GFP-APC puncta could be seen undergoing retrograde movements at the cell periphery (arrowhead, additional file 3). Panels M-P. Part of an original GFP-APC puncta is lost from a shrinking tip while the remaining attached portion continues retrograde movement (arrowheads, additional file 4). Panels Q-T. Some shrinking microtubules tipped with GFP-APC puncta undergo re-growth after periods of shrinkage (arrowhead, move 5). Bars = 10 μm.

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