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GPR61 is an orphan GPCR of interest for treatment of appetite disorders, such as obesity and cachexia. Here, the authors report structures of GPR61 in its active and inactive states, including with a G protein-competitive small molecule inverse agonist.

This work describes the Asgard superphylum, an assemblage of diverse archaea that comprises Odinarchaeota, Heimdallarchaeota, Lokiarchaeota and Thorarchaeota, offering insights into the earliest days of eukaryotic cells and their complex features.

A genome-wide association study identifies 17 genetic loci that are associated with the risk of myeloproliferative neoplasms (MPNs), and shows that the modulation of haematopoietic stem cell function drives MPN risk.

A large and relatively fresh groundwater reservoir is identified in Pearl River estuary and adjacent shelf. This offshore low-salinity groundwater, likely a global phenomenon, has great potential to alleviate the pressure of future water shortages.

Shroff and colleagues report that cell proliferation induces localized mechanical compression in the tissue, driving the formation of the main mouse tooth signalling centre via differential YAP expression.

Phosphatase of regenerating liver 3 (PRL3) is usually found intracellularly, and is over-expressed in cancer cells. Here the authors show that PRL-3 is also detectable on cell surface, and can be recognized by PRL3-zumab to recruit immune cells into tumor to promote anti-tumor immunity, thereby implicating PRL-3 as a potential tumor antigen.

Materials design and informatics have become increasingly prominent over the past several decades. Using the Materials Project as an example, this Perspective discusses how properties are calculated and curated, how this knowledge can be used for materials discovery, and the challenges in modelling complex material systems or managing software architecture.

Effective therapeutic options are still needed in neuroblastoma treatment. Here, the authors, through a comprehensive proteomics analysis, identify ATR as a potential therapeutic target of neuroblastoma and demonstrate the efficacy of the ATR inhibitor BAY1895344 in combination with the ALK tyrosine kinase inhibitor lorlatinib.

We correlate lab test and field test results to better predict the performance of perovskite photovoltaics as a step towards real-world implementation.

A PAMless CRISPR nuclease is applied for precision DNA cleavage and cloning.

The relative importance of the mechanisms underlying species radiation remains unclear. Here, the authors combine reference genome assembly and population genetics analyses to show that neutral forces have contributed to the radiation of the most species-rich tree genus Syzygium.

Interesting non-Hermitian quantum dynamics can be accessed in analogue quantum simulators consisting of Hermitian bosonic systems with squeezing and antisqueezing terms. Here, the authors use a coplanar waveguide resonator connected to a SQUID to simulate the bosonic version of the Kitaev chain.

Lassa virus vaccination is impeded by the limited capacity of vaccine candidates to induce rapid protection. In this study, the authors found that a single shot of a measles-based Lassa vaccine protected nonhuman primates 16 or 8 days after vaccination.

A pentavalent live attenuated vaccine platform, MOPEVAC_NEW, was engineered to express glycoproteins from all five known pathogenic New World arenaviruses from a modified Mopeia virus. This approach induces robust antiviral antibody responses and sterile protection to prevent severe haemorrhagic fever and mortality in cynomolgus monkeys.

Mapping neuroanatomy is a foundational goal of connectomics, and the gold standard method is electron microscopy as light microscopy lacks nanoscale resolution. Here the authors develop a strategy using multicolor genetic labeling (Brainbow) and expansion microscopy to map putative synaptic connections using light microscopy.

Here, the authors apply live-cell and in situ fluorescence imaging at the single-molecule level to examine lambda DNA replication in single cells, finding that individual phage DNAs sequester host factors to their own vicinity and confine their replicated DNAs into separate compartments, suggesting that phage decision-making transcripts are spatially organized in separate compartments to allow distinct subcellular decisions to develop.

A dataset of the genomes of 363 species from the Bird 10,000 Genomes Project shows increased power to detect shared and lineage-specific variation, demonstrating the importance of phylogenetically diverse taxon sampling in whole-genome sequencing.

Implantation of a multielectrode paddle that allows personalized electrical stimulation to all regions of the spinal cord involved in leg and trunk movements rapidly restores motor function in patients with spinal cord injury with complete paralysis.

Nanomaterials have a range of potential applications, however, toxicity remains a concern, limiting application and requiring extensive testing. Here, the authors report on a predictive framework made using a range of tests linking materials properties with toxicity, allowing the prediction of toxicity from physiochemical and biological properties.

Activation of brown adipose tissue (BAT) reduces the development of atherosclerosis in animal models. Here the authors show that BAT activation also increases reverse cholesterol transport and turnover of high-density lipoprotein, which likely contributes to the anti-atherosclerotic effect of BAT activation.

It is unclear which signals regulate the establishment of the tooth signalling centre, the enamel knot (EK). Here, the authors show that EK formation depends on αE-catenin, which acts to restrict the Hippo pathway transcription factors Yes-associated protein (YAP) and TAZ.

A model of community assembly that is sequential and has saturating benefits of mutualism produces communities with internal stability for any level of diversity, and for which external stability depends on the balance of interaction types.

Notch signaling is known to modulate macrophage polarization. Hu and colleagues show that the Notch–RBP-J axis controls the expression of M1 macrophage–specific genes by promoting translation of the transcription factor IRF8.

This study identifies a clade of archaea that is the immediate sister group of eukaryotes in phylogenetic analyses, and that also has a repertoire of proteins otherwise characteristic of eukaryotes—proteins that would have provided the first eukaryotes with a ‘starter kit’ for the genomic and cellular complexity characteristic of the eukaryotic cell.

Rinse Weersma, Carl Anderson and colleagues report the results of a trans-ancestry association study of inflammatory bowel disease. They implicate 38 new susceptibility loci, and show that the variance explained by each IBD risk locus is consistent across diverse ancestries, with a few notable exceptions.

Formation of amyloid-beta (Aβ) oligomer pores in the membrane of neurons has been proposed to explain neurotoxicity in Alzheimer´s disease. Here authors present the 3D- structure of an Aβ oligomer formed in a membrane mimicking environment and observe that Aβ tetramers and octamers inserted into lipid bilayers as well-defined pores.

Data from more than 9,700 human stool and oral metagenomes has been used to decipher the strain transmission patterns of the human microbiome from mother to infant, within households and within populations.

Current methods for controlled assembly of nanomaterials into desired architectures often lack the precision and versatility to develop complex architectures. Here the authors report STAR, surfactant tunable spatial architecture, to guide nanomaterial integration in metal-organic frameworks.

Over the past 35 years, annual tree mortality risk has increased in the moist tropical forests of Australia and is associated with increased atmospheric water stress.

A spinal cord neuroprosthesis targeting leg motor neurons in real time improves walking and reduces freezing of gait in non-human primate models and in one individual with advanced Parkinson’s disease.

Indoor residual spraying (IRS) of insecticide is one of the primary malaria vector control initiatives, but implementation is limited. Here, the authors show that discontinuation of IRS in Uganda was associated with increased malaria incidence, and introduction of IRS was associated with decreased incidence.

First-principles calculations reveal that hydrogen vacancies induce non-radiative losses in methylammonium lead iodide perovskites synthesized under iodine-poor conditions, whereas they are less detrimental in formamidinium-based hybrid perovskites.

Observations of rapid repair of double-stranded DNA breaks in sister choromosomes in Escherichia coli are consistent with a reduced-dimensionality-search model of RecA-mediated repair.

Mutations in the GABA A receptor have been implicated in alcohol dependence in humans. In this study, the authors show that mice with mutations in the beta 1 subunit of the GABA A receptor exhibit spontaneous GABA A channel opening and preferentially consume alcohol, working harder to access it.

AQP5 is identified as a marker for pyloric stem cells in humans and mice, and stem cells in the AQP5⁺ compartment are shown to be a source of invasive gastric cancer in mouse models.

Dengue and Zika virus are closely related flaviviruses but can have contrasting transmission dynamics in the same populations. Here, the authors use a model combining serological, surveillance and viral sequence data to explain differences in transmission dynamics in Fiji.

It is known that exercise influences many human traits, but not which tissues and genes are most important. This study connects transcriptome data collected across 15 tissues during exercise training in rats as part of the Molecular Transducers of Physical Activity Consortium with human data to identify traits with similar tissue specific gene expression signatures to exercise.

Analysis of rare coding variants in the UK Biobank identifies eight genes associated with adult cognitive function, including KDM5B. Rare and common variant signals overlap and contribute additively to the phenotype.

Analyses of multiple phylogenetic marker datasets of Asgard archaea provide insight into the transition from prokaryotes to eukaryotes, specifically placing eukaryotes within Asgard archaea and as a sister lineage to Hodarchaeales.

The bacteriophage lambda and its hostEscherichia coli provide a model system to study cell-fate decisions. Here, Trinh et al. develop a four-colour fluorescence system at the single-cell/single-virus/single-viral-DNA level and find phages cooperate during lysogenization and compete during lysis.

Understanding of photoionization dynamics, one of the fastest processes in nature, requires the characterization of all underlying ionization channels. Here the authors use an interferometry technique based on attosecond pulses to measure the phase and amplitude of the individual angular momentum channels in the photoionization of neon.

Acidic conditions present a solution to carbonate formation in CO₂ electrolysis but create a selectivity issue through competing H₂ evolution. Here, theoretical methods are used to optimize acidity and select Pd–Cu as a selective electrocatalyst for acidic CO₂ reduction with negligible carbonate crossover and high single-pass carbon efficiency.

Supported metal single-atom catalysts face challenges on both durability and practicality. Here, the authors demonstrate that a sustained 90% diesel oxidation conversion at ~160 ^oC is achieved by single-atom Pt on TiO₂ nanowire-array integrated catalytic converter.

Comprehensive integration of gene expression with epigenetic features is needed to understand the transition of kidney cells from health to injury. Here, the authors integrate dual single nucleus RNA expression and chromatin accessibility, DNA methylation, and histone modifications to decipher the chromatin landscape of the kidney in reference and adaptive injury cell states, identifying a transcription factor network of ELF3, KLF6, and KLF10 which regulates adaptive repair and maladaptive failed repair.