Abstract
Transportation of organelles and biomolecules is vital for many cellular processes. Single-molecule (SM) fluorescence microscopy can expose molecular aspects of the dynamics that remain unresolved in ensemble experiments. For example, trajectories of individual, moving biomolecules can reveal velocity and changes therein, including pauses. We use SM imaging to study the dynamics of motor proteins and their cargo in the cilia of living C. elegans. To this end, we employ standard fluorescent proteins, an epi-illuminated, wide-field fluorescence microscope and mostly open-source software. This chapter describes the setup we use, the preparation of samples, a protocol for single-molecule imaging in C. elegans and data analysis.
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Acknowledgements
We thank Bram Prevo, Jona Mijalkovic, Felix Oswald and Seyda Acar for their involvement in this project and discussions. This work is part of the research programme of the Foundation for Fundamental Research on Matter (FOM), which is part of the Netherlands Organisation for Scientific Research (NWO).
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van Krugten, J., Peterman, E.J.G. (2018). Single-Molecule Fluorescence Microscopy in Living Caenorhabditis elegans . In: Peterman, E. (eds) Single Molecule Analysis. Methods in Molecular Biology, vol 1665. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7271-5_8
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DOI: https://doi.org/10.1007/978-1-4939-7271-5_8
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