Fig. 1
Cav1 and caveolae localize to the basolateral and lateral PM of enterocytes. (A) Live imaging of Tg(hsp70l:cav1-eGFP) (6?dpf) zebrafish larvae shows localization of Cav1-eGFP to the lateral and basolateral plasma membranes (PM) of enterocytes, but not the luminal brush border. One enterocyte is outlined. (B) Mean fluorescence intensity, in relative units, of Cav1-eGFP in subcellular regions of larval enterocytes. Data is meanąs.e.m, n=3: nine fish per replicate, three areas of each region per fish; groups with different letters are significantly different (one-way ANOVA, P<0.05). (C,D) Representative EM images of caveola vesicles observed on the basolateral and lateral PMs of larval (6?dpf) (C) and adult (D) zebrafish enterocytes. BB, brush border; L, lateral membrane; B, basolateral membrane; I, intracellular; c, caveolae. Scale bars: 100?nm.