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. 2014 May 16;289(26):18526–18534. doi: 10.1074/jbc.M114.571224

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© 2014 by The American Society for Biochemistry and Molecular Biology, Inc.

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FIGURE 5. — Arr1-eGFP undergoes light-dependent endocytosis in pupal but not in adult photoreceptors. In adult photoreceptors, blue light triggers redistribution of Arr1-eGFP to the rhabdomeres (A). After an additional 4 min of blue light exposure, Arr1-eGFP remains associated with rhabdomeres (B). In pupal eyes, rhabdomere-localized Arr1-eGFP (C) quickly internalized as vesicles emerge in the adjacent cytoplasm (D). Upon continued blue light illumination, Arr1-eGFP in the rhabdomeres was greatly reduced (E), and Arr1-GFP could be detected only near the base of rhabdomeres after 4 min of light exposure (F). See supplemental Movie 2 for the light-dependent endocytosis in pupae. Scale bar, 5 μm.