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Directionality of auxin transport is determined by polar localization of PIN-FORMED (PIN) proteins. Here the authors show that Arabidopsis WAV3 E3 ubiquitin ligases contribute to PIN polarity by selectively antagonizing ectopic deposition of de novo synthesized PIN proteins following cell division.
Photopolymerization provides a safe and mild fabrication pathway towards polymeric particles but the implementation of photochemistry from solution to dispersed media to produce particles is far from trivial. Here, the authors demonstrate an additive-free step-growth photopolymerization with sunlight, exploiting the photoinduced Diels-Alder to fabricate micrometer sized polymeric particles.
Cold-atom interferometers have been miniaturized towards fieldable quantum inertial sensing applications. Here the authors demonstrate a compact cold-atom interferometer using microfabricated gratings and discuss the possible use of photonic integrated circuits for laser systems.
Although ginkgo terpenoids have been studied extensively for their pharmaceutical properties, knowledge on their biosynthesis remains limited. Here, the authors identify five multifunctional cytochrome P450s that catalyze the generation of the tert-butyl group and one of the lactone rings towards the biosynthesis of ginkgolides.
Can AI learn from atmospheric data and improve weather forecasting? The neural network MetNet-2 achieves this by forecasting the fast changing variable of precipitation up to 12 h ahead more accurately and efficiently than traditional models based on hand-coded physics.
Prior exposure to infectious agents can impact the vaccination induced immune response. Here the authors show prior SARS-CoV-2 infection results in more efficient induction of mucosal SARS-CoV-2 secretory IgA antibody following mRNA vaccination.
Allergic sensitisation in the skin can lead to allergic dermatitis and further to airway asthma in a process of atopic march. Here the authors examine the difference between superficial or deep skin sensitisation, characterise the immune cells generated and show differential TSLP and IL-1β involvement.
Different blood-brain barrier permeable systems, such as bacteria loaded with chemotherapy, have been proposed to treat glioblastoma. Here, the authors generate bacteria loaded with glucose polymer and photosensitive ICG silicon-nanoparticles to eliminate bacteria-infected glioblastoma cells and induce an anti-tumour immune response upon photothermal therapy.
Targeted spatial transcriptomics mapped olfactory receptor mRNAs to sections of the murine olfactory bulb to generate an interactive, statistical, 3D model of glomeruli locations and identify an ultra-sensitive receptor-odorant relationship.
Increasing floods and droughts are raising concerns of an accelerating water cycle. A new study shows that the terrestrial water cycle in Brazil has been mostly drying or accelerating, aligned with changes in rainfall, water use, and forest cover.
Combining realistic coarse-grained simulations with a percolation transition theory, this study elucidates the microscopic mechanism that governs the selectivity of passive, unassisted transport through the nuclear pore complex.
DNA end resection initiating DNA repair by homologous recombination needs to be delicately regulated. This study shows the interplay between SUMOylation and ubiquitylation maintains MRE11 homeostasis on chromatin, thus facilitating genome stability.
The QT interval is a heritable electrocardiographic measure associated with arrhythmia risk when prolonged. Here, the authors used a series of genetic analyses to identify genetic loci, pathways, therapeutic targets, and relationships with cardiovascular disease.
Analyses of real-world evidence from digital clinical practice data provide important insights for healthcare decision makers. Here, authors test reproducibility of 150 peer-reviewed studies, reporting strong reproducibility, which could be further improved through more complete reporting in future original studies
Removing ice from surfaces typically requires melting. Nonetheless, authors demonstrate a smart low interfacial toughness coating integrated with underlying heaters and ice-detecting microwave sensors that enable energy efficient smart large-scale de-icing without melting.
P1B-type ATPases export excess transition metals from cells. Here, the authors report a molecular structure of CopA, a coppertransporting P1B-ATPase from A. fulgidus, in an inward-facing E1 conformation.
Ribonuclease P efficiently processes all tRNA precursors despite sequence variation at the site of cleavage. Here, authors use high-throughput enzymology and cryoEM to reveal conformational changes that drive recognition by bacterial RNase P.
Long-term records from boreal streams indicate strong seasonal redistributions of dissolved organic carbon concentrations and quality linked to the severity of summer drought conditions
Worst pattern of invasion (WPOI) is a parameter used to quantify tumor invasiveness of oral squamous cell carcinoma (OSCC). Here the authors show that a fibroblast subset characterized by the expression of the oxytocin receptor is enriched in highly invasive WPOI 4-5 OSCC tumors and can be targeted to reduce the desmoplastic stroma and tumor metastasis.
Freestanding perovskite oxides pave the way to novel flexural properties. Here, the authors observe the nanoscale strain gradient induced flexoelectric polarization with an unusual flexo-expansion/shrinkage effect in freestanding ferroelectric oxide.