Abstract
Signaling pathways rely on the precise control of protein-protein interactions. Therefore, it is essential to be able to investigate such interactions with spatiotemporal resolution and in live cells. Here we describe a microscope-based fluorescence spectrometry technique to investigate homotypic interactions between GFP-labeled fusion proteins in a rapid and reproducible fashion using fluorescence anisotropy. This method is of great value for the study of protein complexes in live tissue with subcellular resolution.
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Acknowledgments
Our work is currently supported by grants SFB 924 (TPA2) and FOR2581 (TP7) from the German Research Council (DFG) to KS. We thank Ramón A. Torres-Ruiz for help with FA imaging and comments on the manuscript. We also thank Wanney Walja and Sebastian Scholz for sharing data. We further acknowledge support by the Center for Advanced Light Microscopy (CALM) of the TUM School of Life Sciences.
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Chaudhary, A., Schneitz, K. (2022). Using Steady-State Fluorescence Anisotropy to Study Protein Clustering. In: Benitez-Alfonso, Y., Heinlein, M. (eds) Plasmodesmata. Methods in Molecular Biology, vol 2457. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2132-5_16
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DOI: https://doi.org/10.1007/978-1-0716-2132-5_16
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