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Extracellular vesicles (EVs) convey inter-organ communication in health and disease. Here, the authors report that adipocyte-derived EVs isolated from insulin-resistant obese but not lean male mice stimulate insulin secretion via the targeted transfer of insulinotropic proteins from adipose tissue to β-cells.
How the segmental innervation of upper limb muscles recovers after spinal cord injury is not fully understood. Here the authors show associations between corticospinal tract sparing and upper extremity recovery in spinal cord injury.
The VTC complex generate eukaryotic polyphosphate (polyP). Authors here reveal how the signal-activated VTC synthesize cytosolic polyP and transport polyP across vacuolar membrane into the lumen, by using cryo-EM, in-cell NMR, and smFRET analyses.
Natural antimicrobial metabolites produced by soil microorganisms can be used as green pesticides. Here, the authors isolated a Pseudomonas mosselii strain 923 from rice rhizosphere soils and identify the compound pyrazolotriazine pseudoiodinine inhibits the growth of plant bacterial and fungal pathogens.
The cortical actin cytoskeleton plays a role in maintaining intestinal epithelial integrity. Here the authors report that TRIM40, an E3 ligase, disrupts cortical actin formation and leads to loss of epithelial barrier integrity, and that genetic loss of TRIM40 is protective against experimental colitis in male mice.
DNA replication stress can generate under-replicated DNA regions which is fixed by an atypical form of DNA repair synthesis in mitosis (MiDAS). Here the authors show that translesion and replicative DNA polymerases cooperate via the POLD3 subunit to complete MiDAS in human cells.
Here, the authors characterise Acinetobacter baumanii and Klebsiella pneumoniae isolated from a single human lung infection and proceed to define their interactions to shed light on how this impacts their evolution, growth parameters, metabolism and antimicrobial responses.
Climatic variables are useful but often weak predictors of plant functional trait variation across ecosystems. Here the authors investigate how assigning plant communities to a habitat hierarchy improves the explanatory power of climate-trait relationships at the continental scale.
Studying the charge transport across individual grain boundaries is challenging yet important for materials design. Here, the authors find that metavalent bonding collapses at grain boundaries, increasing the barrier height for charge transport.
Here the authors discover that SET1 complexes function as transcription anti-termination factors that bind to CpG islands and protect low to moderately transcribed genes from the pervasive termination activity of the ZC3H4 complex.
Finding the ground states of spin glasses relevant for disordered magnets and many other physical systems is computationally challenging. The authors propose here a deep reinforcement learning framework for calculating the ground states, which can be trained on small-scale spin glass instances and then applied to arbitrarily large ones.
Emulsions are critical across a broad spectrum of industries. Here authors demonstrate a mechanism of spontaneous droplet formation, where the interfacial solute flux promotes droplet formation at the liquid-liquid interface when a phase transfer agent is present.
RNA conformational heterogeneity is important to diverse functions. Here, the authors use AFM to directly visualize individual RNA molecules that are in various conformational states under near physiological solution conditions for the first time.
Conformational changes within proteins are thought to regulate clathrin-mediated endocytosis. Here, authors develop a correlative FRET and EM imaging method and uncover a structural switch in clathrin light chain that controls endocytosis in cells.
The aetiology of primary biliary cholangitis (PBC) remains unclear. Here, the authors find that the numbers of DUOX2 + ACE2 + small cholangiocytes in human and mouse livers are inversely associated with disease severity, and present data indicating that they may be the target of polymeric immunoglobulin receptor (pIgR) -mediated humoral responses, suggesting that preservation of these cells and targeting anti-pIgR autoantibodies may be valuable strategies for therapeutic interventions in PBC.
The PML-RARA gene fusion is the characteristic driver of Acute Promyelocytic Leukaemia (APL) and is known to bind to the genome. Here, the authors characterise the impact of PML-RARA on gene regulation in APL cell lines and patient samples using transcriptomics, epigenomics, and machine learning.
Here the authors show that the RRM of RbFox accomplishes extraordinary sequence specificity by employing functionally and structurally distinct binding modes - one for its cognate RNA and one for all non-cognate RNAs.
In this study, the authors developed an ultra-long-acting injectable, biodegradable, and removable in-situ forming implant delivering cabotegravir (CAB ISFI). CAB ISFI was well tolerated and protected against multiple rectal SHIV challenges in female macaques.
Pseudomonas syringae alters plant abscisic acid signaling to close stomata and induce water accumulation in infected tissues. Light and salicylic acid counteract infection by promoting stomatal opening, depriving bacteria of an aqueous environment.
Dynamic RNA-protein interactions govern the co-transcriptional packaging of RNA polymerase II derived transcripts. Here the authors use temporal-iCLIP which combines transcriptional synchronisation with UV cross-linking of RNA-protein complexes to reveal dynamic RNA-protein interactions during the early phases of transcription and beyond.