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Infected wounds pose a major mortality risk in animals and are common in predatory ants. Here, the authors show that M. analis ants apply antimicrobial compounds produced in the metapleural glands to treat infected wounds and reduce nestmate mortality.
Cyano-RbMnFeCo shows a large barocaloric effect with reversible adiabatic temperature changes of 74 K (340 MPa) and 85 K (560 MPa). Here, the authors observe temperature change of +44 K (440 MPa), stable after repeating over 100 times.
Here, the authors use cryo-EM to capture nine intermediates along the DNA proofreading pathway using human mitochondrial DNA Polymerase Gamma. The results provide a step-by-step view of the DNA proofreading at single-nucleotide resolution.
Screening mutated proteins is a versatile strategy in protein research, producing massive datasets when combined with NGS. Here, authors present ACIDES to estimate mutated protein fitness and aid protein engineering pipelines in a range of applications, including gene therapy.
Targeting gluten antigens presents a plausible therapy option for celiac disease. Here the authors generate and characterize a broadly neutralizing antibody recognizing more than 25 gluten peptide:HLA-DQ2.5 complexes, with structural analyses implicating its mode of interaction, and with mouse in vivo studies supporting its therapeutic feasibility.
At the microscopic level, the localized spins arise due to the electron-electron interactions. Here, the authors show how a topological phase of the Haldane spin chain emerges in a two-orbital Hubbard model with increasing interaction strength.
Knowledge on how the gut microbiome and resistome responds to antibiotics across age remains limited. Here, using metagenomics data from Danish infants and young adults, the authors show that antibiotics have a more lasting impact on adults compared to infants.
COVID-19 can be associated with neurological complications. Here the authors show that markers of brain injury, but not immune markers, are elevated in the blood of patients with COVID-19 both early and months after SARS-CoV-2 infection, particularly in those with brain dysfunction or neurological diagnoses.
The design of multifunctional platforms with tunable spectroscopic and fluorescent properties that span the ultraviolet, visible, and near-infrared spectral regions remains challenging. Here, the authors report an actuator-type system that leverages a readily-prepared, easily-processable, and exceptionally-stable nonacene-like molecule to achieve multiple complementary dynamic operating modes.
Applications of perovskite solar cells have been hindered by ion migration and structural instability. Here, the authors use ultra-low dose transmission electron microscopy to reveal the process of ion migration and structural change at the atomic level in Cs1-xFAxPbI3.
IL-17 mediated inflammation in the lung is mediated by different effector molecules. Here the authors show that the epigenetic regulator epithelial sirtuin 6 (Sirt6) is associated with lung inflammation in asthma patients and that Sirt6 contributes to promotion of inflammation in mouse asthma models.
Large log coffins placed on stilts in natural caves characterize the Iron Age of northwestern Thailand. Here, the authors conduct archaeogenetic analyses of 33 individuals, identifying a large, well-connected community, where genetic relatedness played a significant role in the mortuary ritual.
This study provides a comprehensive characterization of blue C for South American Atlantic salt marshes and reveals that environmental and biological variables are important for an understanding of blue C storage leading to lower global estimates.
Directing group strategies have been used extensively in C–H activation reactions but current methods rely heavily on coordination with nitrogen or oxygen atoms in molecules and have therefore been found to exhibit limited generality in asymmetric syntheses. Here, the authors report enantioselective C–H activation with unsaturated hydrocarbons directed by phosphorus centres to rapidly construct libraries of axially chiral phosphines through dynamic kinetic resolution.
“van ’t Hoff, the first Nobel laureate, invented a double-arrow formalism to define equilibria in 1884. Here, the authors apply his accompanying method, the van ’t Hoff plot, to a modern problem to decide the stoichiometry of supramolecular complexes.”
How physiological memories are encoded is not fully understood. Here the authors show how physiological memories of aversive and appetitive experience are represented by corticotropin-releasing hormone synthesizing neurons in the paraventricular nucleus of the hypothalamus and demonstrate that behavioral readouts may not accurately reflect physiological changes invoked by the memory of salient experiences.
Hepatic insulin resistance plays a central role in metabolic syndrome. Here, the authors show that transcription factor BACH1 acts as a negative regulator of insulin signaling and that hepatic BACH1 deficiency ameliorates hyperglycemia and insulin resistance in high-fat diet-fed or diabetic mice
Calculations of relative binding free energy are crucial for lead optimization in structure-based drug design, but classical methods are computationally expensive. Here, the authors describe a more efficient method for calculating the free energy that is as accurate as thermodynamic integration.
Existing feature visualisation methods are not well-suited for regression tasks. Here, authors introduce a method to learn the manifold topology related to deep neural network output and target labels and provide insightful visualisations of the high-dimensional features while preserving the local geometry.
Enhancing vascularization to improve cardiac disease outcomes is a therapeutic approach with limited success. Here, the authors show that cardiac repair is governed by spatiotemporally regulated programs and underline the signaling mechanisms driving vascular deterioration.