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Existing tools to study hearing are limited. Here the authors report Bio-OptoAcoustic (BOA) stimulation wherein they use optical forces to generate localised sound and activate the auditory system of zebrafish larvae.
The ability to control magnetic coupling in graphene nanomaterials remains elusive. Here, the authors report an approach of engineering magnetic ground states in open-shell bipartite/nonbipartite nanographenes where the magnetic coupling sign between two spins are controlled via breaking bipartite lattice symmetry.
Atomically thin porous graphene is promising for filtration and sieving applications. Here the authors, using a laser-actuated micro-drum device of bilayer graphene with controlled number of nanopores, and measuring the permeation rate of different gases, show that it can also be used for permeation-based sensing.
Development of functional nanostructures can enable a range of applications in imaging and nanoscale science. Here, the authors fabricate and characterize complex heterogeneous nanorods with diverse, tunable sub-wavelength structures.
Extreme heat adversely affects human health, productivity, and well-being, with more frequent and intense heatwaves projected to increase exposures. However, current risk projections oversimplify critical inter-individual factors of human thermoregulation, resulting in unreliable and unrealistic estimates of future adverse health outcomes.
DNA base editors can display off-target effects on DNA and RNA. Here the authors embed the base editing enzymes in the middle of nCas9 to reduce these without impacting on-target editing.
Invasive early stage lung adenocarcinoma has a heterogeneous prognosis. Here, the authors microdissect malignant pulmonary nodules to invasive and preinvasive components and study the mutations that are common or private between the lesions, allowing them to understand the evolutionary path of the tumours.
Firre encodes a lncRNA involved in nuclear organization in mammals. Here, the authors find that allelic deletion of Firre on the active X chromosome (Xa) results in dose-dependent loss of histone H3K27me3 on the inactive X chromosome (Xi), along with other trans-acting effects, including disruption of the perinuclear location and minor dysregulation of gene expression.
Small regulatory RNAs (sRNAs) in Vibrio cholerae have been shown to modulate several biological processess including virulence, biofilm formation, quorum sensing, colony morphology and stress resistance. Here, the authors show that VadR sRNA acts as a posttranscriptional inhibitor of the crvA mRNA and that mutation of vadR increases cell curvature, whereas overexpression has the inverse effect.
Designing human-interactive displays enabling the simultaneous sensing, visualization, and memorization of a magnetic field remains a challenge. Here, the authors present a skin-patchable magneto-interactive electroluminescent display by employing a magnetic field-dependent conductive gate, thereby enabling 3D motion tracking.
Narcolepsy is characterized by a sudden loss of muscle tone (cataplexy) similar to REM sleep and is caused by hypocretin deficiency. Here, the authors show that deleting the serotonin transporter gene in hypocretin knockout mice suppresses cataplexy while dramatically increasing REM sleep, indicating that these are two different states but are both regulated by hypocretinergic input to serotonergic neurons.
Typical micelles are molecular assemblies composed of amphiphiles bearing linear alkyl chains. Herein, the authors present an uncommon type of cycloalkane-based bent amphiphile and its micelle which encapsulates large metal- complexes with high uptake efficiency, selectivity, and emissivity in water.
Alcohol and smoking are both associated with oral/oropharyngeal cancer risk, but independent effects are unclear given their relatedness. Here, the authors use multivariable Mendelian randomization to show that both alcohol and smoking are independently causal for oral/oropharyngeal cancer.
Robustness is a prominent feature of most biological systems, but most of the current efforts have been focused on studying homogeneous molecular networks. Here the authors propose a comprehensive framework for understanding how the interactions between genes, proteins, and metabolites contribute to the determinants of robustness.
Touch can positively modulate cognitive performance and emotional response. Here the authors demonstrate that enriched tactile experience improves memory and reduces anxiety in adult mice by remodelling the pathway from the primary somatosensory cortex to the dentate gyrus.
Viral analogs of B-cell lymphoma 2 (Bcl2), known as vBcl2s, control apoptosis by interacting with host pro- and anti-apoptotic members of the Bcl2 family. Here, García-Murria et al. report on transmembrane domains (TMDs) in the C-terminal hydrophobic region of herpes- and poxviral vBcl2s, which mediate homo-oligomerization and interactions with cellular Bcl2 TMDs to control apoptosis.
Inorganic soft materials are an attractive concept but challenging to make. Here the authors have developed a hydrogel consisting of inorganic nanosheets (14 wt%) and water (86 wt%) that undergoes thermally induced reversible and abrupt changes in its internal structure and mechanical elasticity (23-fold).
Mesodermal directional cell migration is needed to establish body plan but how this is regulated is unclear. Here, the authors show that loss of the guanine nucleotide exchange factor for Rac1 and Cdc42, β-Pix, at mouse gastrulation disrupts the orderly, collective anterior migration of mesoderm cells due to defective cell protrusions.
The mecA gene confers resistance to many β-lactam antibiotics in community-associated MRSA bacteria. Here, Snitser et al. show that mecA also provides broad selective advantage across diverse chemical environments in the presence of subinhibitory β-lactam concentrations, by protecting the bacteria against increased cell-envelope permeability.
To what extent the charge carriers can alter phonon heat conduction at environmental temperatures through electron–phonon interactions is an open question. Here, the authors demonstrate substantial reduction in thermal conductivity at high charge carrier densities due to significant phonon scatterings by electrons.