Light-driven translocation of signaling proteins in vertebrate photoreceptors
The dynamic localization of proteins within cells is often determined by environmental stimuli. In retinal photoreceptors, light exposure results in the massive translocation of three key signal transduction proteins, transducin, arrestin and recoverin, into and out of the outer segment compartment...
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| Veröffentlicht in: | Trends in cell biology 2006-11, Vol.16 (11), p.560-568 |
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| container_title | Trends in cell biology |
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| creator | Calvert, Peter D. Strissel, Katherine J. Schiesser, William E. Pugh, Edward N. Arshavsky, Vadim Y. |
| description | The dynamic localization of proteins within cells is often determined by environmental stimuli. In retinal photoreceptors, light exposure results in the massive translocation of three key signal transduction proteins, transducin, arrestin and recoverin, into and out of the outer segment compartment where phototransduction takes place. This phenomenon has rapidly taken the center stage of photoreceptor cell biology, thanks to the introduction of new quantitative and transgenic approaches. Here, we discuss evidence that intracellular protein translocation contributes to adaptation of photoreceptors to diurnal changes in ambient light intensity and summarize the current debate on whether it is driven by diffusion or molecular motors. |
| doi_str_mv | 10.1016/j.tcb.2006.09.001 |
| format | Article |
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| subjects | Animals Diffusion Humans Intracellular Signaling Peptides and Proteins - metabolism Light Molecular Motor Proteins Photoreceptor Cells, Vertebrate - chemistry Protein Transport |
| title | Light-driven translocation of signaling proteins in vertebrate photoreceptors |
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