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Rare disease DEDSSH1-associated DPH1 mutations impair eEF2 diphthamide modification that leads to eEF2 as a transcriptional coactivator for p53 to enhance expression of the cell proliferation inhibitor p21, resulting in birth defects.
Oxygen is an essential requirement for aerobic organisms. Here the authors explore the role of oxygen in the antiviral innate response in multiple models of infection and suggest oxygen enhances the antiviral innate response via EGLN1 hydroxylation of IRF3.
The human papillomavirus (HPV) E6 oncoprotein hijacks the ligase activity of the host E6AP to ubiquitinate the tumor suppressor p53. Here, the authors show how the presence of the HPV E6 oncoprotein transforms the inactive E6AP monomer into an active dimer, providing a structural understanding of the physiological and pathophysiological mechanisms of E6AP function.
Manipulating the electronic properties of topological semimetals is a central goal of modern condensed matter physics research. Here, the authors demonstrate how a high-entropy engineering approach allows for the tuning of the crystal structure and the electronic states in a Dirac semimetal.
Glutamine synthetase (GS) relies on Adenosine triphosphate (ATP) to activate glutamate (Glu) and are vital for maintaining ammonia and Glu homeostasis, but GS function is impaired during ATP-deficient neurotoxic events. Here the authors report polyphosphate-manganese nanosheets having GS-like activity independent of ATP to promote the conversion of Glu to glutamine in excitatory neurotoxic cells.
vdW assembly of low-dimensional materials has proven the capability of creating structures with on-demand properties. Here, the authors report on the structural collapse of CNTs in conjunction with a metal-semiconductor junction induced by the VdW encapsulation.
Wind has a large impact on the safety and efficiency of small uncrewed aerial vehicles. Here, the authors present a neural network-based method for estimating the wind at meter-scale resolution around complex terrain solely based on terrain knowledge and local onboard wind observations.
Here, the authors show that elevating fiber intake in humans alters their gut microbiota, which, upon transplantation into mice, enhances intestinal mucus function, and identify a crucial role played by the commensal bacterium Blautia and its fermentation products.
Many clock proteins contain intrinsically disordered regions, but how these regions mediate protein interactions is poorly understood. Here, the authors identify charge blocks within a disordered clock protein that regulate circadian timing.
In this study, the authors report that bat H9N2 influenza A virus replicates and transmits in ferrets, efficiently infects human lung explant cultures, evades MxA antiviral activity in mice, and has low antigenic similarity to seasonal N2, meeting pre-pandemic criteria.
The authors investigate the local/regional nature and associated oxidative potential of PM2.5 emission sources in northern India and show that reducing local inefficient combustion emissions can effectively mitigate PM health effects.
In this work, a nanoscale light-emitting diode with memory-electroluminescence is demonstrated, which is used for mimicking the generation of multiple action-potentials and their combinations in bio-inspired afferent nerves.
Soft elastic materials could be useful in the fabrication of brain-machine interfaces, but achieving the desirable material properties can be challenging. Here, the authors report control of the amorphous-crystalline transition of polymers to alter hydrogel properties and monitor mouse behaviour.
Root-associated microbiota confers benefits to plant in responding to environmental stress. Here, the authors show that wild soybean secretes purines under salt stress, reshapes the microbiota and recruits Pseudomonas.
Conventional lighting requires an AC-DC converter for LEDs. Here, the authors report a tandem structure by connecting two QLEDs with opposite polarity in parallel, enabling AC driven operation. A household AC electricity plug-and-play QLEDs panel with tuneable colour and brightness is achieved.
This study provides seismic evidence for the presence of partial melts along the base of Cascadia’s subducting slab, with implications to lithosphere-asthenosphere decoupling that potentially influences subduction dynamics and earthquake cycles.
The control of reaction quantum efficiencies is a fundamental photochemical problem. Here the authors use comparative quantum-classical dynamics to reveal that the synchronization of specific vibrations with the reaction coordinate is a key promoting factor.