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The lowest-frequency gravitational wave background may be shaped by supermassive black hole binaries that scatter nearby stars or dark matter. In this case, the NANOGrav 15-year dataset favours dense galactic centres with 10⁶ solar masses per cubic parsec.

An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

Pathogenic variants in UNC13A underlie a novel neurodevelopmental syndrome, with three subtypes defined by distinct genotypes with varying clinical and functional impacts characterized in cellular and animal models.

The oomycete Phytophthora infestans is a damaging crop pathogen. Here, the authors show that a group of P. infestans secreted enzymes play roles in penetration and colonization of host plants by oxidising fragments of the polysaccharide pectin in the plant cell wall.

In an updated report on 70 laboratory-confirmed highly pathogenic avian influenza A H5N1 cases in the USA between March 2024 and May 2025, the absence of human-to-human transmission to date was confirmed, with no known mutations of resistance to neuroaminidase inhibitors.

Systemic dissection of sexually dimorphic phenotypes in mice is lacking. Here, Karp and the International Mouse Phenotype Consortium show that approximately 10% of qualitative traits and 56% of quantitative traits in mice as measured in laboratory setting are sexually dimorphic.

High-depth sequencing of non-cancerous tissue from patients with metastatic cancer reveals single-base mutational signatures of alcohol, smoking and cancer treatments, and reveals how exogenous factors, including cancer therapies, affect somatic cell evolution.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

The isolation of dental proteins from fossils deposited 1.5 million to 18 million years ago in the Turkana Basin in Kenya, a tropical region, demonstrate the promise of dental enamel for palaeoproteomic and evolutionary studies.

Circulating tumour DNA profiling in early-stage non-small-cell lung cancer can be used to track single-nucleotide variants in plasma to predict lung cancer relapse and identify tumour subclones involved in the metastatic process.

Here the authors combine multi-omics approaches to uncover a role for ubiquitination and the ubiquitin ligase NEDD4 in targeting the actin binding protein Profilin 1 to regulate actin polymerisation in neural crest cells.

An analysis of the impact of logging intensity on biodiversity in tropical forests in Sabah, Malaysia, identifies a threshold of tree biomass removal below which logged forests still have conservation value.

The coupling of magnetism and ferroelectricity is of relevance for applications such as sensing, but occurs only rarely in bulk materials. The large magnetically induced ferroelectric polarization observed here in CaMn₇O₁₂establishes a new approach to achieve a strong magnetoelectric coupling.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

Chronic infection with SARS-CoV-2 leads to the emergence of viral variants that show reduced susceptibility to neutralizing antibodies in an immunosuppressed individual treated with convalescent plasma.

Genomic epidemiology reveals multiple travel-related introductions of SARS-CoV-2 from mainland Europe into Scotland during the first wave of COVID-19.

In this work, authors aim to optimize the dosing of TBI-223, a novel oxazolidinone for tuberculosis, using a translational platform which incorporates preclinical and clinical trial data.

Sera from vaccinated individuals and some monoclonal antibodies show a modest reduction in neutralizing activity against the B.1.1.7 variant of SARS-CoV-2; but the E484K substitution leads to a considerable loss of neutralizing activity.

Infection studies on highly pathogenic avian influenza virus clade 2.3.4.4b H5N1 on calves and lactating cows indicate that transmission occurs primarily via milk and milking procedures rather than respiratory routes.

In this study, Aggarwal and colleagues perform prospective sequencing of SARS-CoV-2 isolates derived from asymptomatic student screening and symptomatic testing of students and staff at the University of Cambridge. They identify important factors that contributed to within university transmission and onward spread into the wider community.

Using a globally distributed standardized aerial sampling of fungal spores, we show that the hyperdiverse kingdom of fungi follows globally highly predictable spatial and temporal dynamics, with seasonality in both species richness and community composition increasing with latitude.

Steve Brown and colleagues report an analysis of 20 phenotyping tests, including 413 data parameters, across 449 mutant mouse alleles. They identify widespread pleiotropy and assign putative functions to genes that lacked previous phenotypic annotation.

A deleterious mutation in the tomato transcription factor SSP2 was enriched during domestication. Repairing the deleterious mutation in cultivated tomato by base editing leads to compact growth and early fruit yield.

CRISPR enzymes require a defined protospacer adjacent motif (PAM) which can be limiting for editing applications. Here the authors recombine the PAM-interacting domain of SpRY with the N-terminus of Sc + + to generate a chimeric enzyme with highly flexible PAM preference: SpRYc.

Analyses of the TRACERx study unveil the relationship between tissue morphology, the underlying evolutionary genomic landscape, and clinical and anatomical relapse risk of lung adenocarcinomas.

Cell-type-resolved spatial proteomics of the skin from patients with toxic epidermal necrolysis reveals that it is driven by JAK/STAT signaling, leading to successful treatment of this potentially fatal condition in patients using JAK inhibitors.

Emerging SARS-CoV-2 variants of concern were detected early and multiple cases of virus spread not captured by clinical genomic surveillance were identified using high-resolution wastewater and clinical sequencing.

The full extent of the genetic basis for hearing impairment is unknown. Here, as part of the International Mouse Phenotyping Consortium, the authors perform a hearing loss screen in 3006 mouse knockout strains and identify 52 new candidate genes for genetic hearing loss.

Genetic and testing data from England show that the SARS-CoV-2 variant of concern B.1.1.7 has a transmission advantage over other lineages.

The non-coding RNA RNU4-2, which is highly expressed in the developing human brain, is identified as a syndromic neurodevelopmental disorder gene, and, using RNA sequencing, 5′ splice-site use is shown to be systematically disrupted in individuals with RNU4-2 variants.

Archaeogenetic study of ancient DNA from medieval northwestern Europeans reveals substantial increase of continental northern European ancestry in Britain, suggesting mass migration across the North Sea during the Early Middle Ages.

Durable agonism of NPR1 achieved with a novel investigational monoclonal antibody could mirror the positive hemodynamic changes in blood pressure and heart failure identified in humans with lifelong exposure to NPR1 coding variants.

An integrated analysis of de novo and inherited coding variants in 42,607 individuals with autism spectrum disorder identifies 60 risk genes of which five have not previously been associated with neurodevelopmental disorders.

Post-international travel quarantine has been widely implemented to mitigate SARS-CoV-2 transmission, but the impacts of such policies are unclear. Here, the authors used linked genomic and contact tracing data to assess the impacts of a 14-day quarantine on return to England in summer 2020.

Neutrophilic inflammation is a hallmark of many monogenic autoinflammatory diseases. Here the authors report a case series of three unrelated boys with perinatal-onset of neutrophilic cutaneous small vessel vasculitis and systemic inflammation, and identify de novo truncating and missense variants in the Src-family tyrosine kinase LYN.

A new ultraluminous X-ray source has been discovered in M 31, whose variability and associated bright, compact radio emission identify it as a stellar-mass black hole accreting close to the Eddington limit.

The difference between children and adults in response to SARS-CoV-2 infection is not clearly established. Here the authors use gene expression analysis of nasopharyngeal samples from children and adults and show a higher level of immune response in children compared to adults, including of B and T cell activation.

A study of the evolution of the SARS-CoV-2 virus in England between September 2020 and June 2021 finds that interventions capable of containing previous variants were insufficient to stop the more transmissible Alpha and Delta variants.

Most agents that generate breaks in DNA leave 'dirty ends' that cannot be joined immediately; instead, intervening steps are required to restore the integrity of nucleotides at the break. Here it is shown that the non-homologous end joining pathway requires a 5′-dRP/AP lyase activity to remove abasic sites at double-strand breaks. Surprisingly, this activity is catalysed by the Ku70 protein, which, together with its partner Ku86, had been thought only to recognize broken DNA ends and to recruit other factors that process ends.

Genome sequences of human-infective tapeworm species reveal extreme losses of genes and pathways that are ubiquitous in other animals, species-specific expansions of non-canonical heat shock proteins and families of known antigens, specialized detoxification pathways, and metabolism that relies on host nutrients; this information is used to identify new potential drug targets.

Here the authors reveal that a neomorphic mutation in chromatin protein SMCHD1 enhances SMCHD1-mediated gene silencing, including at the FSHD disease-relevant locus, while depleting SMCHD1-mediated chromatin interactions, suggesting these SMCHD1 functions are unlinked.

In the first results from an ongoing global cancer screening data repository, screening program organization was better overall in Europe compared to other continents; however, there were substantial gaps in implementation across both high- and low-resource settings.

The European X-ray free-electron laser (EuXFEL) in Hamburg is the first XFEL with a megahertz repetition rate. Here the authors present the 2.9 Å structure of the large membrane protein complex Photosystem I from T. elongatus that was determined at the EuXFEL.

The stroke volume of the heart increases in response to an increase in the blood volume filling the heart. Here the authors reveal that this coordinated process is mediated in part by oxidative activation of the protein kinase G Iα, which phosphorylates phospholamban to enhance diastolic relaxation in mice.