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Polyamides (PAs) or nylons are types of plastics with wide applications, but due to their accumulation in the environment, strategies for their deconstruction are of interest. Here, the authors screen 40 potential nylon-hydrolyzing enzymes (nylonases) using a mass spectrometry-based approach and identify a thermostabilized N-terminal nucleophile hydrolase as the most promising for further development, as well as crucial targets for progressing PA6 enzymatic depolymerization.

The study used snMultiome-seq to map gene expression and chromatin accessibility in human central amygdala cells from people with and without AUD. Here, the authors show that inhibitory neurons are most affected, with KLF16-driven regulatory changes and AUD-risk variants disrupting gene activity.

Spatiotemporal insight into photoactivation of the prototypical B₁₂ photoreceptor CarH is revealed across nine orders of magnitude in time, identifying a transient adduct that distinguishes it from thermally activated B₁₂ enzymes.

Phylodynamic modelling shows how the changing antibiotic landscape and genetic determinants of resistance shape real-world gonococcal dynamics. Experiments validated that determinants with identical resistance phenotype differed in impact on fitness.

Electrochemical CO reduction to multi-carbon products offers a carbon-negative approach to produce chemicals, but the intricate reaction pathways lead to a broad spectrum of products. Now it has been shown that alkali cations alter the mechanistic pathways that govern the reaction selectivity involved in the formation of hydrocarbons versus oxygenates.

Here, Yang-Jensen et al. demonstrate that a scalable microbial protein lysate from Methylococcus capsulatus Bath reshapes gut microbiota and T cells and, via fermentation-driven GLP-2 receptor mimicry, protects against gastrointestinal inflammation while providing sustainable protein nutrition

A cortical premotor network in HVC, once initiated, can sustain and regulate the sequential production of zebra finch song syllables without major extrinsic inputs.

A covariate-aware analysis reveals that microbiome changes in the gut of patients with chronic kidney disease are better explained by intestinal transit time than by kidney function.

An integrated optical parametric amplifier on thin-film lithium niobate achieves more than 17 dB gain with less than 200 mW input power.

Direct RNA sequencing suffers from chimera artifact contamination. Here, the authors develop DeepChopper, a genomic language model that detects artifacts with high accuracy, enabling more reliable transcriptome analysis.

The authors report long-lived pump-induced conductivity suppression in metallic Ti₃C₂ MXenes using ultrafast terahertz and reflectance spectroscopy. The effect is attributed to strong photothermal heating and slow heat dissipation.

High-order modes of hyperbolic polaritons – hybrid light-matter interactions – in anisotropic van der Waals materials hold potential for nanophotonics applications. Here, the authors report the observation of polariton mode conversion in step-shaped terraces of hexagonal boron nitride and α-MoO3.

In this article, the authors characterise genetic variation in CARTaGENE, a population-based cohort from Quebec, Canada. This genomic resource enables population and disease genetic studies in a founder population and other under-represented groups.

The STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory demonstrates evidence of spin correlations in \(\Lambda \bar{\Lambda }\) hyperon pairs inherited from virtual spin-correlated strange quark–antiquark pairs during QCD confinement.

Native state proteomics of PV interneurons revealed unique molecular features of high translational and metabolic activity, and enrichment of Alzheimer’s risk genes. Early amyloid pathology exerted unique effects on mitochondria, mTOR signaling and neurotransmission in PV neurons.

“This randomized controlled trial in adults with central obesity found that high-intensity interval training, performed once or thrice weekly, reduced body fat mass compared with control, highlighting the benefits of “weekend warrior” interventions.”

Engineered mucus-tethering bispecific nanobodies neutralize and entrap viruses to enhance mucosal immunity, preventing influenza infection and limiting SARS-CoV-2 transmission.

Terahertz microspectroscopic imaging at subgap millielectronvolt energies of a two-dimensional superfluid plasmon in few-layer Bi₂Sr₂CaCu₂O_8+x is demonstrated, allowing the spatial resolution of its deeply subdiffractive terahertz electrodynamics.

Enzymes are highly selective and sustainable catalysts for chemical synthesis, but their optimization is often limited by the difficulty of identifying functional starting points. This study shows that using the GenSLM protein language model to design TrpB variants can yield stable, active enzymes with broad substrate promiscuity, outperforming natural and evolved counterparts and demonstrating the potential of generative models to accelerate biocatalyst discovery.

Cryogenic electron microscopy structures of human Ostα/β uncover a unique transport pathway featuring two substrate-binding sites connected by an amphipathic helix-gated conduit, and electrophysiological studies demonstrate voltage-sensitive, bidirectional transport, showing its efflux role in vivo.

A study examines the effects of mutations that occur naturally in T cell cancers, reporting that such mutations can potentially be exploited to increase the potency of T cell therapies.

Bacteria use diverse defence systems against phages, including a 164-residue prophage-encoded protein, Rip1, which senses conserved phage assembly rings to form membrane pores that block virion maturation and trigger premature host cell death.

Newly developed mouse models that enable cell-specific analyses of proteostasis dynamics across the lifespan of the mice reveal key aspects of neuronal proteostasis with ageing.

Risk associated with genetically defined forms of autism spectrum disorder (ASD) can propagate by means of transcriptional regulation to affect convergently dysregulated pathways, providing insight into the convergent impact of ASD genetic risk on human neurodevelopment.

Untargeted metabolomics faces challenges in metabolite origin inference and metabolite annotation. Here, the authors present TidyMass2, a user-friendly computational framework with metabolite origin inference and feature-based functional module analysis to enhance biological interpretation.

There has been a recent interest in control of magnetism via ionic transport. The appeal of such magneto-ionic control lies in its extent, non-volatility and potential energy-efficiency, however, the number of systems showing such behaviour is limited. Here, Tan, Ma, and coauthors demonstrate magneto-ionic control through Carbon transport.

Analysis of Babesia divergens egress from host cells reveals druggable targets and identifies compounds for potential babesiosis treatment.

Here the authors report that some aspects of clinical heterogeneity in type 2 diabetes vary across populations. Using a deep-learning–based tree model built from over 32,000 patients, they document disease patterns and risks specific for the Chinese population, potentially enabling more precise prediction and personalized care.

This work demonstrates the first miniature RF filter combining ultrawide tunability (4–18 GHz) and high nonreciprocity, achieving low loss, zero static power, and compact size (1 cc).

A lipid nanoparticle that delivers mRNA encoding for regenerative factors to the endometrium with high specificity restores implantation rates in a murine model of endometrial injury with potentially improved safety.

Here they demonstrate a therapeutic intervention elevating levels of CYP450-derived lipids to control the expansion of intermediate monocytes in tissue and peripheral blood, presenting a first in class therapeutic approach for treating chronic inflammatory disease.

Floquet engineering is often limited by weak light–matter coupling and heating. Now it is shown that exciton-driven fields in monolayer semiconductors produce stronger, longer-lived Floquet effects and reveal hybridization linked to excitonic phases.

DNA hybridisation thermodynamics parameters underlie rational design of oligonucleotides for diagnostics and nanotechnology. Here, the authors present an accurate method to measure the free energy of a given DNA structure at specific temperature and buffer conditions.

Soil microbial populations bloom and then die-off in ecosystems with seasonal snowpack. This study showed that distinct taxa utilize different N sources for growth or energy during the microbial bloom and alter the fate of N after snowmelt.

Zhang et al. examine associations between wildfire-specific PM_2.5 and emergency department visits for mental disorders in children across 845 communities in Australia, Brazil and Canada over a 15-year period.

While the photoreceptor outer segments in the bird outer retina have access to oxygen, the inner retina operates under chronic anoxia, supported by anaerobic glycolysis in the retinal neurons.

Global Burden of Disease estimates show that between 1990 and 2023, the prevalence and burden of drug use disorders, inclusive of amphetamine, cannabis, cocaine and opioid use, have been increasing in high-income countries, particularly in the USA.

The distinct architecture of the Escherichia coli membrane transporter LetA mediates lipid trafficking across the bacterial envelope in partnership with the tunnel-like complex LetB.

Wei et al. perform spatial transcriptomic profiling on synovial tissue biopsy samples from individuals with recent-onset rheumatoid arthritis, finding TGFβ signaling and fibrogenic fibroblast activation drive a treatment-refractory tissue phenotype.

Hexokinase detachment from the outer mitochondrial membrane is shown to support aerobic glycolysis in cancer cells. Differential localization of the HK1 isoform to the outer mitochondrial membrane, compared to the HK2 isoform, explains the conditional essentiality of HK2 in cancer cells cultured in physiologic media.

Identifying jets originating from heavy quarks plays a fundamental role in hadronic collider experiments. In this work, the ATLAS Collaboration describes and tests a transformer-based neural network architecture for jet flavour tagging based on low-level input and physics-inspired constraints.

PRC2 operates as two holocomplexes, PRC2.1 and PRC2.2, with EPOP serving as a PRC2.1-specific accessory subunit. Here the authors show that EPOP inhibits PRC2.1 by disrupting its dimeric structure, thereby weakening chromatin association to prevent excessive gene repression during early differentiation.

Limiting phosphate concentrations could be a strategy to protect and sequester carbon dioxide as fucoidan, a polysaccharide produced by marine algae.

Rathmell and colleagues show that metabolic reprograming of regulatory T cells is associated with severity of critical illness in patients with and without sepsis.

There is a challenge of overestimation in figures of merit for organic electrochemical transistors due to a kink in the transistor current. Here, the authors investigate the origin of the kink and identify the charge transport phenomena that is impacted.

Methane emission occurs in natural wetlands on a large scale, but the corresponding trace element emissions have not been studied. Here, the authors study selenium and arsenic emission in a pristine peatland and show that this causes large amounts of those trace elements to enter the biogeochemical cycle.

JWST’s COSMOS-Web survey is used to create an ultra-high-detail dark matter map, revealing hidden filaments, clusters and distant structures. By tracing features out to z = 2, this map shows how dark and luminous matter build the cosmic web across cosmic time.

By combining satellite observations with ground-based data and expert validation, this analysis demonstrates considerable misestimation of grassland extent and thereby carbon stock estimates in previous global assessments based on remote sensing.