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Fig. 11. Confocal analysis of GFP-Cdc42wt localization to EC vacuolar membranes and
lumenal structures. (A) Targeting of GFP-Cdc42wt to vacuolar (arrowheads) and
lumenal membranes (arrows). (B) Three-dimensional reconstruction of a
multicellular structure containing a lumen (L). Left: propidium iodide (PI)
staining of EC cultures indicating multiple cells interconnect to form a
lumenal compartment. Nuclei are indicated with arrowheads. Right: GFP-Cdc42wt
(shown in red) localizes to lumenal membranes (arrows).