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Fig. 1. Wingless is found in Rab5 and Rab7 endosomes. Wing imaginal discs
ubiquitously expressing moderate levels of CFP-Rab5 and YFP-Rab7 stained with
antibodies against Wg. Panels depict the different channels from a single
confocal section 4 µm below the apical surface (including a small part of
the Wg expression domain, at bottom of panel). Yellow arrowheads indicate
co-localization between Wg and CFP-Rab5, blue arrowheads co-localization
between Wg and YFP-Rab7. Scale bar: 20 µm.