Spatiotemporal control of cell signalling using a light-switchable protein interaction Export

@article{citeulike:5786045, abstract = {Genetically encodable optical reporters, such as green fluorescent protein, have revolutionized the observation and measurement of cellular states. However, the inverse challenge of using light to control precisely cellular behaviour has only recently begun to be addressed; semi-synthetic chromophore-tethered receptors1 and naturally occurring channel rhodopsins have been used to perturb directly neuronal networks2, 3. The difficulty of engineering light-sensitive proteins remains a significant impediment to the optical control of most cell-biological processes. Here we demonstrate the use of a new genetically encoded light-control system based on an optimized, reversible protein–protein interaction from the phytochrome signalling network of Arabidopsis thaliana. Because protein–protein interactions are one of the most general currencies of cellular information, this system can, in principle, be generically used to control diverse functions. Here we show that this system can be used to translocate target proteins precisely and reversibly to the membrane with micrometre spatial resolution and at the second timescale. We show that light-gated translocation of the upstream activators of Rho-family GTPases, which control the actin cytoskeleton, can be used to precisely reshape and direct the cell morphology of mammalian cells. The light-gated protein–protein interaction that has been optimized here should be useful for the design of diverse light-programmable reagents, potentially enabling a new generation of perturbative, quantitative experiments in cell biology.}, author = {Levskaya, Anselm and Weiner, Orion D. and Lim, Wendell A. and Voigt, Christopher A.}, citeulike-article-id = {5786045}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/nature08446}, citeulike-linkout-1 = {http://dx.doi.org/10.1038/nature08446}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/19749742}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=19749742}, day = {13}, doi = {10.1038/nature08446}, issn = {0028-0836}, journal = {Nature}, keywords = {protein\_protein\_interactions, synthetic\_biology}, month = {September}, number = {7266}, pages = {997--1001}, posted-at = {2009-10-19 06:26:50}, priority = {2}, publisher = {Nature Publishing Group}, title = {Spatiotemporal control of cell signalling using a light-switchable protein interaction}, url = {http://dx.doi.org/10.1038/nature08446}, volume = {461}, year = {2009} }

TY - JOUR ID - citeulike:5786045 L3 - citeulike-article-id:5786045 N2 - Genetically encodable optical reporters, such as green fluorescent protein, have revolutionized the observation and measurement of cellular states. However, the inverse challenge of using light to control precisely cellular behaviour has only recently begun to be addressed; semi-synthetic chromophore-tethered receptors1 and naturally occurring channel rhodopsins have been used to perturb directly neuronal networks2, 3. The difficulty of engineering light-sensitive proteins remains a significant impediment to the optical control of most cell-biological processes. Here we demonstrate the use of a new genetically encoded light-control system based on an optimized, reversible protein–protein interaction from the phytochrome signalling network of Arabidopsis thaliana. Because protein–protein interactions are one of the most general currencies of cellular information, this system can, in principle, be generically used to control diverse functions. Here we show that this system can be used to translocate target proteins precisely and reversibly to the membrane with micrometre spatial resolution and at the second timescale. We show that light-gated translocation of the upstream activators of Rho-family GTPases, which control the actin cytoskeleton, can be used to precisely reshape and direct the cell morphology of mammalian cells. The light-gated protein–protein interaction that has been optimized here should be useful for the design of diverse light-programmable reagents, potentially enabling a new generation of perturbative, quantitative experiments in cell biology. IS - 7266 JF - Nature SN - 0028-0836 EP - 1001 TI - Spatiotemporal control of cell signalling using a light-switchable protein interaction PB - Nature Publishing Group VL - 461 SP - 997 KW - protein_protein_interactions KW - synthetic_biology AU - Levskaya, Anselm AU - Weiner, Orion AU - Lim, Wendell AU - Voigt, Christopher PY - 2009/09/13/ UR - http://dx.doi.org/10.1038/nature08446 ER -