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A dopamine neuron that underpins transient forgetting in Drosophila is activated by the presentation of interfering stimuli immediately before memory retrieval, modulating this retrieval by stimulating a dopamine receptor in mushroom body neurons.
Simultaneous mapping of activity across the cortex and dorsal striatum in mice shows that activity in each part of the striatum precisely mirrors that in topographically associated cortical regions, consistently across behavioural contexts.
It is experimentally shown that crystallographic defects may trap fractional charges, as well as topological states, in the bulk of topological crystalline insulators.
An analysis of the search behaviour of recruiters on a Swiss online recruitment platform shows that jobseekers from minority ethnic groups are less likely to be contacted by recruiters, and also provides evidence of gender-based discrimination.
A large, open dataset containing parallel recordings from six visual cortical and two thalamic areas of the mouse brain is presented, from which the relative timing of activity in response to visual stimuli and behaviour is used to construct a hierarchy scheme that corresponds to anatomical connectivity data.
In aged mice, inhibition of prostaglandin E2 (PGE2) signalling through its receptor EP2 improves cellular bioenergetics, reduces inflammatory responses and restores hippocampal plasticity to youthful levels, resulting in an improvement in spatial memory and cognition.
In macaque motor cortex, moment-to-moment fluctuations in neurally derived decision variables are tightly linked to decision state and predict behavioural choices with better accuracy than condition-averaged decision variables or the visual stimulus alone, and can be used to distinguish between different models of decision making.
It is experimentally shown that topological states exist at crystallographic defects in the bulk and that disclination defects trap fractional charges characteristic of topological crystalline insulators.
A method of tracking break-induced replication reveals the details of this repair process and shows that it can be impaired by certain genomic elements and by transcription.
Structural analyses of the type III CRISPR accessory protein Card1, which induces dormancy in infected hosts to provide immunity against phage infection, reveal the mechanisms by which it cleaves single-stranded RNA and DNA.
Correlation-driven topological phases with different Chern numbers are observed in magic-angle twisted bilayer graphene in modest magnetic fields, indicating that strong electronic interactions can lead to topologically non-trivial phases.
In a cohort of 87 individuals with COVID-19, the memory B cell response at 6.2 months after the onset of disease evolves in a manner that is consistent with the persistence of SARS-CoV-2 antigen.
A chromosome-quality genome of the lungfish Neoceratodus fosteri sheds light on the development of obligate air-breathing and the gain of limb-like gene expression in lobed fins, providing insights into the water-to-land transition in vertebrate evolution.
Room-temperature photon avalanching realized in single thulium-doped upconverting nanocrystals enables super-resolution imaging at near-infrared wavelengths of maximal biological transparency and provides a material platform potentially suitable for other optical technologies.
Two logical qubits are encoded in ensembles of four physical qubits through the surface code, then entangled by lattice surgery, which is a protocol for carrying out fault-tolerant operations.
Long-distance V(D)J recombination is facilitated by contraction of the Igh locus and linear RAG scanning along chromatin, both driven by cohesin-mediated loop extrusion, which allows recombination of widely separated gene segments to occur.
Electron cryomicroscopy and cryotomography studies reveal that rotaviruses attach to a target cell through the outer-layer protein VP4, which—following cleavage—rearranges to enable perforation of the membrane and delivery of the viral genome into the host cell.
