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Galactosaminogalactan of Aspergillus fumigatus acts as a pathogen-associated molecular pattern that activates the NLRP3 inflammasome, which is crucial for anti-fungal host defence.
Expression of three Yamanaka transcription factors in mouse retinal ganglion cells restores youthful DNA methylation patterns, promotes axon regeneration after injury, and reverses vision loss in a mouse model of glaucoma and in aged mice, suggesting that mammalian tissues retain a record of youthful epigenetic information that can be accessed to improve tissue function.
A candidate vaccine against SARS-CoV-2 that uses the yellow fever 17D live-virus vector is highly efficacious and displays a favourable safety profile in Syrian hamster, mouse and cynomolgus macaque models.
A versatile and rapid metallaphotoredox catalytic method of making 3H- and 11C-labelled tracer compounds for use in positron emission tomography (PET) is reported.
Depletion of TRF2—an essential mediator of telomere protection in most mammalian cells—in mouse embryonic stem cells activates a compensatory transcriptional program that renders TRF2 dispensable for their survival and proliferation.
Chromosome-scale sequence assemblies of 20 diverse varieties of barley are used to construct a first-generation pan-genome, revealing previously hidden genetic variation that can be used by studies aimed at crop improvement
Experiments in mouse pluripotent embryonic and epiblast stem cells show that TRF2 is dispensable for telomere protection specifically specifically in the pluripotent cells that form during early embryonic development, when cells form T-loops independently of this protein.
Influence of the gut microbiome on the human immune system is revealed by systems analysis of vast clinical data from decades of electronic health records paired with massive longitudinal microbiome sequencing.
Analysis of humeri from fossils that span the fin-to-limb transition reveal that the change in the humerus shape is driven by both ecology and phylogeny, and is associated with functional trade-offs related to locomotor performance.
A comprehensive map of transcriptomes, cis-regulatory elements, heterochromatin structure, the methylome and 3D genome organization in the zebrafish (Danio rerio) enables identification of species-specific and evolutionarily conserved regulatory features, and provides a foundation for modelling studies on human disease and development.
Comparison of multiple genome assemblies from wheat reveals extensive diversity that results from the complex breeding history of wheat and provides a basis for further potential improvements to this important food crop.
The authors show that zonation extends to hepatic immune cells and that this spatial patterning is mediated by microbiome sensing by liver sinusoidal endothelial cells, and provide evidence that immune zonation is required to protect the host from the dissemination of blood-borne pathogens.
A long-term culture method for organoids derived from single adult human lung cells is used to identify progenitor cells and study SARS-CoV-2 infection.
A crow-sized stem bird, Falcatakely forsterae, possesses a long and deep rostrum—a beak morphology that was previously unknown among Mesozoic birds and is similar to that of some crown-group birds, such as toucans.
In Drosophila melanogaster, female mating decisions are governed by female-specific descending neurons that integrate input from auditory neurons that respond to features of the song of a conspecific male and central neurons that encode the mating status of the female.
Inhibition of YBX1, a downstream target of the Janus kinase JAK2, sensitizes myeloproliferative neoplasm cells to JAK and could provide a means to eradicate such cells in human haematopoietic cancers.
Direct experimental evidence of the carbon–nitrogen–oxygen fusion cycle in the Sun is provided by the detection of neutrinos emitted during this process.
Optically dark (non-emitting) triplet excitons on organic molecules may be rendered bright by coupling the molecules to lanthanide-doped nanoparticles, providing a way to control such excitons in optoelectronic systems.
Changes in Northern Hemisphere ice-sheet size during ice-age cycles enhance the advance and retreat of the grounding line of the Antarctic Ice Sheet, owing to interhemispheric sea-level forcing.
