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The strong connection between the dynamics of a physical system and its Hamiltonian’s spectrum has scarcely been applied in the non-Hermitian case. Here, the authors use a photonic quantum walk to confirm and expand previous theoretical analyses connecting self-acceleration dynamics with non-trivial point-gap topology.
Here, the authors discover the ground and excited state interlayer excitons in bi- and tri-layer 2H-MoSe2 crystals which exhibit electric-field-driven hybridisation with the intralayer A excitons, showing distinct spin, layer and valley characteristics.
Sialin transports multiple substrates including sialic acid out of lysosomes, and neurotransmitters into synaptic vesicles. This study reports the cryo-EM structures of Sialin in multiple states revealing its transport and pH-sensing mechanisms.
Comprehensive single-cell metabolic profiling is critical for revealing phenotypic heterogeneity and elucidating the molecular mechanisms underlying biological processes. Here, the authors establish a novel single-cell metabolomics platform for in-depth organic mass cytometry.
How LGR4 impacts nutrition absorption and energy homeostasis is unknown. Here, the authors show that LGR4 loss in the intestinal epithelium decreases the proportion of enterocytes selective for long-chain fatty acid absorption, reducing lipid absorption and improving lipid and glucose metabolism.
GPCRs can form functionally important dimers. Here, authors study impact of dimerization of the secretin receptor on peptide ligand binding and show high receptor conformational dynamics that facilitate G protein recruitment and activation.
Myeloid cell populations play a critical role in lung cancer progression. Here, the authors use scRNA-seq and spatial transcriptomics to identify changes in the phenotype of macrophages within the tumour microenvironment.
Tubulointerstitial inflammation occurs frequently in acute kidney injury (AKI), and Mφ autophagy is a known contributor to inflammation-related diseases. Here, Yuan et al. show that Mφ autophagy deficiency induces systemic inflammation, impairs mitochondria, and worsens kidney injury in AKI mice.
Here, using cryo-ET, the 3D structures of individual nucleosome particles were characterized to observe changes under varying ionic strengths and in the presence of protein H1, revealing key regulatory roles in chromatin organization dynamics.
The Taklamakan and Gobi Desert region has witnessed a significant rise in summer precipitation in recent decades. This study shows that atmospheric internal variability, rather than external forcings, is the main driver shaping this wetting trend.
Despite effective antiviral drugs, HIV-1 transcripts can be found in extracellular vesicles (EVs) in people living with HIV-1. Comparing EVs from serum and cerebrospinal fluid (CSF), the authors show compartmentalized defective viral transcripts that are enriched in the CSF and corelate with cognitive dysfunction.
Orphan transporters can be found in over 20 families in the SLC superfamily. Here, the authors show that human SLC22A10 is a unitary pseudogene due to a fixed missense mutation, P220; while in great apes, its orthologs transport sex steroid conjugates.
The combination of dynamic, energy driven folding and growth with structural stiffness and length control is difficult to achieve in synthetic polymer self-assembly. Here the authors show that highly charged, monodisperse DNA oligomers assemble via seeded growth into length-controlled supramolecular fibers during heating.
7C-10C and 12C-carbolong complexes with planar ligand skeletons containing 7-10 and 12 carbon atoms have been previously reported but 11C-carbolong complexes with a planar carbon-chain ligand are elusive. Here, the authors prepare metallabenzyne-fused metallapentalenes and metallabenzene-fused metallapentalynes, both representing 11C-carbolong complexes with a planar carbon-chain ligand
Highly pathogenic avian influenza viruses from H5 clade 2.3.4.4b are circulating widely in birds and have recently caused large outbreaks in mammals. Here, Furey et al. develop a clade 2.3.4.4b HA-expressing mRNA-LNP vaccine and show that it elicits strong protective immune responses in mice and ferrets.
It is essential to manipulate the dynamic behaviour of charge carriers and excitons in organic light-emitting diodes. Here, authors report the trapping of injected electrons by a thermally activated delayed fluorescence assistant molecule in a bipolar host matrix and achieve long device stability.
Recently, superconductivity near 80 K was observed in La3Ni2O7 under high pressure, but the mechanism is debated. Here the authors report angle-resolved photoemission spectroscopy measurements under ambient pressure, revealing flat bands with strong electronic correlations that could be linked to superconductivity.