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Analysis of the blood DNA virome in patients with COVID-19 and autoimmune disease associates endogenous HHV-6 (eHHV-6) and high anellovirus load with increased disease risk, most notably for systemic lupus erythematosus. eHHV-6 carriers show a distinct immune response.

A genome-wide association study highlights a variant in DOCK2, which is common in East Asian populations but rare in Europeans, as a host genetic risk factor for severe COVID-19.

A single-cell multiomic immune cell atlas from 235 Japanese, including patients with COVID-19 and healthy individuals, linked with host genetics including germline and somatic mutation, plasma proteomics and metagenomics data reveals that immune cells are dynamically regulated in a cell state-dependent manner.

CAR-T cell efficacy is often limited by the inability to maintain a memory T cell program. Here, the authors show that intrinsic CXCR4 expression enhances CAR-T cell persistence and memory differentiation in acute myeloid leukemia.

Genetic mechanisms influencing COVID-19 susceptibility are not well understood. Here, the authors analyzed whole blood RNA-seq data of 465 Japanese individuals with COVID-19, highlighting thousands of fine-mapped variants affecting expression and splicing of genes, as well as the presence of COVID-19 severity-interaction eQTLs.

Coagulation factors IX/X-binding protein is an intertwined dimer with a central loop projecting into the adjoining subunit. Excluding this loop, each subunit has a fold similar to rat mannose-binding protein.

Peripheral blood mononuclear cells from 73 Japanese patients with coronavirus disease 2019 (COVID-19) and 75 healthy controls were analyzed using single-cell transcriptomics. Combining these data with genotyping data highlights the interplay between host genetics and the immune response in modulating disease severity.

This study quantifies the relative contributions of material crystallinity and environmental factors to the marine degradation rate of poly(ε-caprolactone) (PCL). PCL sheets with controlled crystallinity were exposed at six Japanese coastal locations for 6–15 months. Machine learning regression (CatBoost, R² = 0.60) combined with SHAP analysis revealed that water temperature contributed most strongly to degradation rate variation, followed by depth and total nitrogen, while crystallinity showed moderate influence. These findings demonstrate that environmental conditions substantially drive degradation rate variability in realistic marine settings, providing insights for field-relevant material design and environmental compatibility assessment.

Genome-wide association analyses in the Japanese population and trans-ancestry meta-analyses identify new risk loci for coronary artery disease. A polygenic risk score derived from these findings identifies individuals with increased risk of long-term cardiovascular mortality.

Multidrug resistance in the pathogenic fungus Candida glabrata is a growing global threat. Here, the authors show that a mutation in gene IPI1, involved in pre-rRNA processing, leads to multidrug resistance in this pathogen by affecting the interactions between two chaperones and a transcription factor that regulates multidrug transporter expression.

The TDF peptide interacts with the leucine-rich repeat receptor-like kinase TDR to regulate meristem differentiation in plants. Here, the authors solve the structure of the extracellular domain of TDR in complex with TDIF and propose a mechanism for TDIF recognition.

Chondrule-like objects and CAIs in the Ryugu samples are early generations of chondrules and possibly oldest solids in the Solar System. They were transported from the inner solar nebula to the formation location of the Ryugu original parent body.

A comparison of copper and zinc isotopic measurements between the Ryugu samples and various carbonaceous chondrites excludes any genetic link between the two except for the CI (Ivuna-type) chondrites. Ryugu-like material might have accounted for ~5% of Earth’s mass.

It is desirable to deposit more energy in the dense plasma core to trigger the fusion ignition. Here the authors demonstrate enhanced energy coupling from laser to plasma core by using solid targets and guiding the transport of relativistic electron beam with external magnetic field.

Isolates of authentic SARS-CoV-2 variants BA.1 and BA.2 exhibit similar infectivity and pathogenicity and show susceptibility to neutralizing therapeutic antibodies and antiviral compounds in mouse and hamster models.

The asteroid Ryugu experienced aqueous alteration under changing temperature and redox conditions, according to an isotopic analysis of secondary calcite and dolomite grains in samples from Ryugu obtained by the Hayabusa2 spacecraft.

Live imaging and single-cell transcriptomics of mouse hair follicles reveal their development from 2D concentric zones in the placode to 3D longitudinal compartments, one of which is a stem cell compartment.

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.

Germ-free mice co-colonized with two bacterial strains from the small intestinal flora showed increased susceptibility to experimental autoimmune encephalomyelitis, implicating the synergistic effects of these microorganisms in this mouse model of multiple sclerosis.

Japanese morning glory (Ipomoea nil) has diverse flowering traits. Here, the authors describe the reference genome sequence of I. nil, annotations of genes and transposons, and compare evolution of the I. nilgenome to other Convolvulaceae and Solanales genomes.

Sperm-egg fusion requires the interaction between IZUMO1 on the sperm and JUNO on the egg. Here, the authors report the crystal structure of mouse JUNO, and use it to explain its lack of binding to folate, along with in vivofunctional analyses.

Nicotinamide phosphoribosyltransferase (NAMPT), a key enzyme for NAD synthesis, has been proposed as a potential target for cancer therapy. Here, the authors show synthetic lethality when combining NAMPT inhibition with Niacin restriction in neuroendocrine-type cancer.

Returned samples from the carbonaceous asteroid Ryugu provide pristine information on the original aqueous alteration history of the Solar System. Here, the authors utilize Breunnerite grain and magnesium isotope chemistry to reveal cation partitioning during aqueous alteration of asteroid Ryugu.

Using more than 100 independent iPSC lines derived from patients with Alzheimer’s disease, the authors discovered loci associated with the neuronal production of amyloid β and confirmed their influence using RNA interference.