Abstract
Understanding the dynamics of chemoattractant signaling is key to our understanding of the mechanisms underlying the directed migration of cells, including that of neutrophils to sites of infections and of cancer cells during metastasis. A model frequently used for deciphering chemoattractant signal transduction is the social amoeba Dictyostelium discoideum. However, the methods available to quantitatively measure chemotactic signaling are limited. Here, we describe a protocol to quantitatively study chemoattractant signal transduction in Dictyostelium by monitoring protein–protein interactions and conformational changes using Bioluminescence Resonance Energy Transfer (BRET).
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Acknowledgements
We are thankful to Michel Bouvier for providing BRET2 donor and acceptor cDNAs, to Chris Jenetopoulos for providing the Dictyostelium Gα2 and Gβ cDNAs, and to Billy Breton for constructive discussions and critical reading of the manuscript.
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Islam, A.F.M.T., Stepanski, B.M., Charest, P.G. (2016). Studying Chemoattractant Signal Transduction Dynamics in Dictyostelium by BRET. In: Jin, T., Hereld, D. (eds) Chemotaxis. Methods in Molecular Biology, vol 1407. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3480-5_5
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DOI: https://doi.org/10.1007/978-1-4939-3480-5_5
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