vLUME is a virtual reality software package designed to render large three-dimensional single-molecule localization microscopy datasets. vLUME features include visualization, segmentation, bespoke analysis of complex local geometries and exporting features. vLUME can perform complex analysis on real three-dimensional biological samples that would otherwise be impossible by using regular flat-screen visualization programs.
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All the experimental data used in the present communication can be found in the Supplementary Software.
vLUME is available as Supplementary Software. Updated versions of the software can also be found at https://github.com/lumevr/vLume/releases, vLUME software for Windows (with manual, license, samples and scripts). Open-source plugins for vLUME and a forum for collaborative creation and improvement can be found at https://github.com/lumevr/vLume_OpenSourcePlugins.
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We thank M. Lee, J. Yoon and M. Lee from the laboratory of W.E. Moerner (Stanford) for kindly providing the C. crescentus datasets (Fig. 1d,e left). We thank the laboratory of J. Ries (EMBL Heidelberg) for the publicly available NPC data shown in Fig. 1c and for the microtubule datasets shown in Fig. 1d,e, left. We thank F. Boroni-Rueda and K. Friedl for preparation of the neuron samples. D.E.-F. thanks the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement no, 712949 (TECNIOspring Plus) and the Agency for Business Competitiveness of the Government of Catalonia for the research funding leading to these results. A.H. thanks the Engineering and Physical Sciences Research Council (EP/N509620/1). We thank the Royal Society for S.F.L.’s University Research Fellowship (no. UF120277). R.H. was funded by grants from the UK Biotechnology and Biological Sciences Research Council (no. BB/S507532/1), Wellcome Trust (no. 203276/Z/16/Z) and core funding by the MRC Laboratory for Molecular Cell Biology, University College London (grant no. MC_UU12018/7). We thank The Imagination Group, Imagination Europe and Imagination Labs for their support.
Peer review information Rita Strack was the primary editor on this article and managed its editorial process and peer review in collaboration with the rest of the editorial team.
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Two-channel data of Microtubules (purple) and Clathrin (green) in COS cells from dataset 5. Scale bar is approximately 1 um. a, A ‘birds- eye’ projection of the two channels in vLUME. b, The same data set from a different point of view closer to the ground to show the 3D nature of the data. To achieve this superposition the first channel has to be opened in vLUME and the color changed. Then the second channel also needs to be opened and changed in color. Subsequently with simple data translation of one of the datasets the two axes need to be overlapped (this task is very simple in VR, manual). The 3D nature of the oblique figure makes it difficult to render a scale bar.
Nearest Neighbor plot using the C# script (CalcNearestNeighbour.cs) after selecting Caulobacter crescentus’ stalk from dataset 4 of the Supplementary Information (Fig. 1d, e, left). The red to blue gradient of the image shows an increasing density of nearest neighbors within a radius of 50 nm (user defined). The color-gradient scale bar goes from 0 to 34 neighbors. Scale bar is approximately 200 nm.
Supplementary Table 1, videos and references.
Overview of vLUME. Overview of the main GUI and functionality in vLUME. The video shows a variety of datasets and the ease of going from the micron scale to nanoscale regions.
Selecting and annotating data. Demonstration of a user isolating a single microtubule from a complex tangle in vLUME to be saved as isolated data.
Loading and filtering data. Demonstration of a user isolating a stalk from a predivision stage of a C. crescentus in vLUME to be saved as isolated data.
Manipulation of data. Data manipulation features of vLUME on a single C. crescentus, showing the user actions simultaneously.
Selecting data and running scripts. Maximum and minimum distances, and nearest neighbor script application to a NPC dataset.
Outputting a video. Setting waypoints in the 3D space using vLUME and saving these points as a video.
Case study. Exploring annotating and analyzing spectrin rings in plated neurons.
vLume software for Windows.
Sample datasets for resubmission.
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Spark, A., Kitching, A., Esteban-Ferrer, D. et al. vLUME: 3D virtual reality for single-molecule localization microscopy. Nat Methods 17, 1097–1099 (2020). https://doi.org/10.1038/s41592-020-0962-1
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