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Genome-wide maps of evolutionary constraint and large-scale compendia of epigenomic and transcription factor data provide complementary information for genome annotation. Here, the authors develop the Constrained Non-Exonic Predictor (CNEP) that enables better understanding of their relationship.
Imaging of lipid bilayers using light microscopy is challenging. Here the authors label cells using a short chain click-compatible ceramide to visualize mammalian and bacterial membranes with expansion microscopy.
CD40L-expressing chimeric antigen receptor (CAR) T cells show enhanced anti-tumor immunity, but the cellular mechanisms are still unclear. Here we show, by analyzing mice deficient of conventional dendritic cell type 1 (cDC1) that cDC1s are induced by CD40L+ CAR T cells to prime endogenous CD8 T cells for a stronger anti-tumor immune response.
Advances in our ability to manipulate genetics leads to deeper understanding of biological systems. In this Perspective, the authors argue that synthetic genomics facilitates complex modifications that open up new areas of research.
The effects of norepinephrine on sensory processing in cortical networks are altered by recreational drugs like ethanol. The authors show that ethanol suppresses the activation of astrocytes by inhibiting norepinephrine release which may contribute to the cognitive effects of alcohol intoxication.
Here the authors show a synchronized single-shot bi-modal x-ray and proton source based on laser-generated plasma. This source can be useful for radiographic and tomographic imaging.
DNA 5-hydroxymethylcytosine (5hmC) modification is associated with gene transcription and used as a mark of mammalian development. Here the authors report a comprehensive 5hmC tissue map and analysis of 5hmC genomic distributions in 19 human tissues derived from 10 organ systems, thus providing insights into the role of 5hmC in tissue-specific development.
Increasing the surface charge density of a triboelectric nanogenerator (TENG) under a single energy source is of wide interest. Here, the authors increase the surface charge density by comprehensively utilizing solar energy and tidal energy to develop a bioinspired photoelectric-electromechanical integrated TENG.
XylE is a bacterial xylose transporter and homologue of human glucose transporters GLUTs 1-4. HDX-MS, mutagenesis and MD simulations suggest that protonation of a conserved aspartate triggers conformational transition from outward- to inward facing state only in the presence of substrate xylose. In contrast, inhibitor glucose locks the transporter in the outward facing state.
The CCR4-NOT complex catalyzes mRNA deadenylation and hence regulates protein translation. Here the authors show that CNOT3 regulation of this complex is needed for positive selection of thymocytes via a mechanism involving inhibition of pro-apoptotic gene expression.
Designing efficient, rapid and low-cost diagnostic technologies targeting nucleic acids remains a challenge. Here the authors present a disposable silicon-based integrated Point-of-Need transducer produced in a standard wet lab and able to chemically-amplify and detect pathogen-specific sequences of nucleic acids quantitatively in real-time.
Theories predict a large thermopower and a quantized thermoelectric Hall conductivity in topological semimetals. Here, the authors observe an ultrahigh longitudinal thermopower and a giant power factor attributed to the quantized thermoelectric Hall effect in a Weyl semimetal TaP.
Cross-relaxation between neighbouring emitters usually limits the brightness of luminescence due to self-quenching. Here, the authors present single upconversion nanoparticle lasing where the cross relaxation modulates the brightness and ultra-low threshold lasing is achieved.
Winnie Byanyima is the Executive Director of UNAIDS and leads the United Nations’ efforts to end the AIDS epidemic by 2030. She is also a longstanding champion of social justice and gender equality having led Uganda’s first parliamentary women’s caucus where she championed gender equality provisions during her 11 years as an elected member of the Ugandan parliament. To mark World AIDS Day 2020, Nature Communications interviewed Winnie about how the COVID-19 pandemic has impacted the UNAIDS Fast Track targets, the impact of both epidemics on women around the world, and what is next in the fight against HIV.
Light scattering represents the main limitation to image at depth in biological microscopy. The authors present a strategy to characterize light propagation in and out of a scattering medium based on linear fluorescence feedback and from the same measurements exploit memory effect correlations to image and reconstruct extended objects.
Liverworts have a unique oil body organelle unrelated to lipid stores found in other eukaryotes. Here the authors show that oil body formation is analogous to that of cell plates, relying on periodic redirection of the secretory pathway and a syntaxin-1 homolog, and that oil bodies contribute to defence against herbivory.
The IMEx consortium provides one of the largest resources of curated, experimentally verified molecular interaction data. Here, the authors review how IMEx evolved into a fundamental resource for life scientists and describe how IMEx data can support biomedical research.
Regulatory and coding regions of genes are shaped by evolution to control expression levels. Here, the authors use deep learning to identify rules controlling gene expression levels and suggest that all parts of the gene regulatory structure interact in this.
The dentate gyrus is involved in synchronous discharges and seizures, but its microcircuit functional organization in TLE is unclear. Here, the authors show that interictal discharges recruit specific granule cell ensembles dominated by adult-born immature neurons.