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The precise molecular architecture of synaptic active zones (AZs) gives rise to different structural and functional AZ states that fundamentally shape chemical neurotransmission. However, elucidating the nanoscopic protein arrangement at AZs is impeded by the diffraction-limited resolution of conventional light microscopy. Here we introduce new approaches(More)
Synaptonemal complexes (SCs) are meiosis-specific multiprotein complexes that are essential for synapsis, recombination, and segregation of homologous chromosomes, but the molecular organization of SCs remains unclear. We used immunofluorescence labeling in combination with super-resolution imaging and average position determination to investigate the(More)
Besides being versatile and fast, rapidSTORM is easy to use, deploy, inspect and extend. It is open source and based on widespread, mature, portable and open technologies such as C++, the GNU tool chain and wxWidgets. A graphical user interface and user manual allow quick acquaintance. Automated prerelease validation and wide use on a range of biological(More)
Super-resolution fluorescence imaging can provide insights into cellular structure and organization with a spatial resolution approaching virtually electron microscopy. Among all the different super-resolution methods single-molecule-based localization microscopy could play an exceptional role in the future because it can provide quantitative information,(More)
Crystal clear: The authors introduce a miniaturized localization microscopy setup based on cost-effective components. They demonstrate its feasibility for subdiffraction resolution fluorescence imaging in resolving different cellular nanostructures. The setup can be used advantageously in practical courses for training students in super-resolution(More)
Swelling-activated pathways for myo-inositol, one of the most abundant organic osmolytes in mammalian cells, have not yet been identified. The present study explores the SLC5A3 protein as a possible transporter of myo-inositol in hyponically swollen HEK293 cells. To address this issue, we examined the relationship between the hypotonicity-induced changes in(More)
In recent years three-dimensional (3D) super-resolution fluorescence imaging by single-molecule localization (localization microscopy) has gained considerable interest because of its simple implementation and high optical resolution. Astigmatic and biplane imaging are experimentally simple methods to engineer a 3D-specific point spread function (PSF), but(More)
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