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Use of Galleria mellonella as a Model Organism to Study Legionella pneumophila Infection
Published on: November 22, 2013
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Mitochondrial Dynamics and Activity in Legionella-Infected Cells
Ok-Ryul Song1, Priscille Brodin1, Carmen Buchrieser2,3
1University Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 8204-CIIL-Center for Infection and Immunity of Lille, Lille, France.
Methods in Molecular Biology (Clifton, N.J.)
|January 30, 2019
Summary
New methods now allow detailed analysis of how Legionella pneumophila bacteria affect host mitochondria during macrophage infection. This research quantifies mitochondrial dynamics and activity in real-time.
Area of Science:
- Cell Biology
- Infectious Diseases
- Mitochondrial Biology
Background:
- Legionella pneumophila infection impacts host cell functions, particularly mitochondria.
- Analyzing host-pathogen interactions at the mitochondrial level has been challenging due to technical limitations.
Purpose of the Study:
- To present advanced methodologies for studying host mitochondrial responses during Legionella pneumophila infection.
- To quantitatively assess mitochondrial dynamics and activity in living human primary macrophages infected with Legionella.
Main Methods:
- Adaptation of high-content microscopy for visualizing mitochondrial parameters in infected cells.
- Utilization of mitochondrial respiration assays (e.g., Seahorse) for quantitative analysis of mitochondrial function.
- Application of these techniques to living human primary macrophages during Legionella infection.
Main Results:
- Established state-of-the-art methods for analyzing mitochondrial dynamics during Legionella infection.
- Enabled quantitative assessment of mitochondrial activity in real-time within infected macrophages.
- Provided a framework for deeper understanding of pathogen-induced mitochondrial alterations.
Conclusions:
- Advanced microscopy and respiration assays offer powerful tools to study Legionella-mitochondria interactions.
- These methods overcome historical limitations in analyzing mitochondrial parameters during infection.
- The presented techniques facilitate a more comprehensive understanding of host-pathogen dynamics at the mitochondrial level.
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