All scale bars, 1 ??m, except B, 5 ??m.Rab8a regulates the exocyst-mediated kiss-and-run discharge of the Dictyostelium contractile vacuoleMol Biol Cell. 2012 April 1;23(7):1267-1282.FIGURE 9:Expression of Rab8a CA reverts the CV phenotype of lvsA-null cells.