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Applying Live Cell Imaging and Cryo-Electron Tomography to Resolve Spatiotemporal Features of the Legionella pneumophila Dot/Icm Secretion System
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Applying Live Cell Imaging and Cryo-Electron Tomography to Resolve Spatiotemporal Features of the Legionella pneumophila Dot/Icm Secretion System
Chapters
- 00:04Introduction
- 00:55Live Cell Imaging of L. pneumophila with Fluorescently Tagged Dot/Icm Components
- 02:47Quantification of Polar Localization and Dynamics of Dot/Icm Components
- 05:36Detection of sfGFP Mass Density with Cryo-ET
- 06:23Results: Imaging Dot/Icm Secretion Systems in Intact Bacteria
- 08:17Conclusion
Imaging of bacterial cells is an emerging systems biology approach focused on defining static and dynamic processes that dictate the function of large macromolecular machines. Here, integration of quantitative live cell imaging and cryo-electron tomography is used to study Legionella pneumophila type IV secretion system architecture and functions.
