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Norbormide-Based Probes and Their Application for Mitochondrial Imaging in Drosophila Melanogaster
Alessia Forgiarini1, Zifei Wang2, Sergio Bova1
1Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy.
Abstract:
Fluorescent live imaging on Drosophila melanogaster is a microscopy technique in rapid expansion. The growing number of probes available to detect cellular components and the relatively easy genetic manipulation of fruit fly make this model one of the most used for in vivo analysis of several physiological and/or pathological processes. Here we describe the chemical synthesis of two norbormide-derived BODIPY-conjugated fluorescent probes (NRBMC009 and NRBZLW0047). Moreover, we describe the larval dissection method, and subsequent live imaging acquisition. Both probes are able to label mitochondria in different Drosophila larval tissues, which allows for the characterization of mitochondrial morphological alterations by using a simple and quick method that avoids the fixation artefacts that often occur in immunofluorescence studies.
Insights
Researchers developed two novel BODIPY-conjugated fluorescent probes for live imaging in Drosophila melanogaster. These probes efficiently label mitochondria, enabling quick characterization of mitochondrial morphology without fixation artifacts.
Area of Science:
- Cell Biology
- Microscopy
- Biochemistry
Background:
- Fluorescent live imaging is a rapidly advancing microscopy technique.
- Drosophila melanogaster is a widely used model organism for in vivo analysis due to genetic manipulability.
- Existing methods for studying cellular components in vivo can be limited by fixation artifacts.
Purpose of the Study:
- To chemically synthesize two novel norbormide-derived BODIPY-conjugated fluorescent probes.
- To establish a method for larval dissection and live imaging acquisition in Drosophila.
- To evaluate the probes' efficacy in labeling mitochondria and characterizing morphological alterations.
Main Methods:
- Chemical synthesis of norbormide-derived BODIPY probes (NRBMC009 and NRBZLW0047).
- Larval dissection protocol for Drosophila melanogaster.
- Fluorescent live imaging microscopy acquisition.
- Analysis of mitochondrial morphology in different larval tissues.
Main Results:
- Successful synthesis of two novel fluorescent probes, NRBMC009 and NRBZLW0047.
- Demonstrated ability of both probes to label mitochondria in various Drosophila larval tissues.
- Enabled rapid and simple characterization of mitochondrial morphological alterations.
- Avoided fixation artifacts common in immunofluorescence studies.
Conclusions:
- The developed BODIPY-conjugated probes are effective tools for live mitochondrial imaging in Drosophila.
- This method provides a simple, quick, and artifact-free approach for studying mitochondrial dynamics in vivo.
- Facilitates the in vivo analysis of physiological and pathological processes affecting mitochondria.
