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| Open AccessÅngström-resolution fluorescence microscopy
The authors introduce a single-molecule DNA-barcoding method, resolution enhancement by sequential imaging, that improves the resolution of fluorescence microscopy down to the Ångström scale using off-the-shelf fluorescence microscopy hardware and reagents.
- Susanne C. M. Reinhardt
- , Luciano A. Masullo
- & Ralf Jungmann
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Article
| Open AccessStructural basis of NINJ1-mediated plasma membrane rupture in cell death
Structural, biochemical and mutagenesis studies indicate that, in dying cells, the membrane protein NINJ1 assembles into filaments, disrupting the cell membrane.
- Morris Degen
- , José Carlos Santos
- & Sebastian Hiller
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Formin-mediated nuclear actin at androgen receptors promotes transcription
Functional mutations identified in patients with androgen insensitivity syndrome, in the formin and actin nucleator DAAM2, uncover signal-regulated nuclear actin assembly at a steroid hormone receptor necessary for transcription.
- Julian Knerr
- , Ralf Werner
- & Nadine C. Hornig
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Multiview confocal super-resolution microscopy
A combination of multiview imaging, structured illumination, reconstruction algorithms and deep-learning predictions realizes spatial- and temporal-resolution improvements in fluorescence microscopy to produce super-resolution images from diffraction-limited input images.
- Yicong Wu
- , Xiaofei Han
- & Hari Shroff
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Article
| Open AccessRecA finds homologous DNA by reduced dimensionality search
Observations of rapid repair of double-stranded DNA breaks in sister choromosomes in Escherichia coli are consistent with a reduced-dimensionality-search model of RecA-mediated repair.
- Jakub Wiktor
- , Arvid H. Gynnå
- & Johan Elf
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Direct imaging of single-molecule electrochemical reactions in solution
Optical imaging of single-molecule electrochemical reactions in aqueous solution enables super-resolution electrochemiluminescence microscopy, which can be used to monitor the adhesion dynamics of live cells with high spatiotemporal resolution.
- Jinrun Dong
- , Yuxian Lu
- & Jiandong Feng
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Article |
Actin cables and comet tails organize mitochondrial networks in mitosis
During mitosis, complementary actin-based mechanisms ensure equal and random distributions of mitochondria among daughter cells following symmetrical cell division.
- Andrew S. Moore
- , Stephen M. Coscia
- & Erika L. F. Holzbaur
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Stabilization of chromatin topology safeguards genome integrity
Super-resolution microscopy demonstrates how changes in the 3D organization of chromatin protect DNA against excessive degradation following damage.
- Fena Ochs
- , Gopal Karemore
- & Claudia Lukas
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Letter |
Transcriptome-scale super-resolved imaging in tissues by RNA seqFISH+
seqFISH+, an evolution of sequential fluorescence in situ hybridization with super-resolution imaging capabilities, is used to image mRNAs of 10,000 genes in cultured cells and mouse brain slices, demonstrating the ability to generate spatial atlases and to perform discovery-driven studies in situ.
- Chee-Huat Linus Eng
- , Michael Lawson
- & Long Cai
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Letter |
Amplified stimulated emission in upconversion nanoparticles for super-resolution nanoscopy
Super-resolution optical microscopy based on stimulated emission depletion effects can now be performed at much lower light intensities than before by using bright upconversion emission from thulium-doped nanoparticles.
- Yujia Liu
- , Yiqing Lu
- & Dayong Jin
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Letter |
A trans-synaptic nanocolumn aligns neurotransmitter release to receptors
Synaptic vesicle fusion, as evoked by action potentials, is confined to presynaptic protein nanoclusters, which are closely aligned with concentrated postsynaptic receptors and their scaffolding proteins—an organization termed a ‘nanocolumn’.
- Ai-Hui Tang
- , Haiwen Chen
- & Thomas A. Blanpied
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Letter |
Hemi-fused structure mediates and controls fusion and fission in live cells
Super-resolution imaging provides direct evidence in live cells that membrane fusion and fission are mediated through an intermediate hemi-fused structure, where fusion and calcium/dynamin-dependent fission mechanisms compete to determine the transition of the intermediate to fusion or fission.
- Wei-Dong Zhao
- , Edaeni Hamid
- & Ling-Gang Wu
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Letter |
Super-resolution imaging reveals distinct chromatin folding for different epigenetic states
Using super-resolution imaging to directly observe the three-dimensional organization of Drosophila chromatin at a scale spanning sizes from individual genes to entire gene regulatory domains, the authors find that transcriptionally active, inactive and Polycomb-repressed chromatin states each have a distinct spatial organisation.
- Alistair N. Boettiger
- , Bogdan Bintu
- & Xiaowei Zhuang
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Ultrafast ultrasound localization microscopy for deep super-resolution vascular imaging
Conventional clinical ultrasound imaging has, at best, sub-millimetre-scale resolution, but now a new ultrasound technique is demonstrated that is based on fast tracking of transient signals from a sub-wavelength contrast agent and has sufficiently high resolution to map the microvasculature deep into organs.
- Claudia Errico
- , Juliette Pierre
- & Mickael Tanter