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A Southern Ocean influences on the carbon cycle is considered a key component of deglacial changes. Here, the authors show spatial differences in glacial Southern Ocean carbon storage that dissipated rapidly 14.6 kyr ago, revealing a South Indian Ocean contribution to rapid deglacial atmospheric CO2 increases.
A better understanding of how plants respond to osmotic stress could potentially help improve crop yields. Here Fàbregas et al. review the recent characterization of Raf-like kinases that act in both in ABA-dependent and -independent responses to osmotic stress.
The sea anemone Nematostella vectensis expresses miRNAs and two Argonaute (AGO) proteins. Here the authors show that NveAGO1 and NveAGO2 are loaded with overlapping but different sets of miRNAs and that NveAGO2 binds both miRNAs and endo-siRNAs. Both AGO proteins are essential for development.
Bikaverin is a fungal-derived tetracyclic polyketide with antibiotic, antifungal and anticancer properties. Here, the authors employ various pathway engineering strategies to achieve high level production of bikaverin in baker’s yeast.
Genetic mosaicism is frequently present in monogenic diseases of the central nervous system. Here the authors design a dual-colour reporter system that can be used to tune the degree of mosaicism in mouse models.
The collective properties of atomically precise nanoclusters bear vast potential for electronic materials by design. Here, the authors describe the self-assembly of Au32 nanoclusters into micro-crystals, which improves the electric conductivity and invokes new optical transitions caused by the high structural order.
High numbers of COVID-19-related deaths have been reported in the United States, but estimation of the true numbers of infections is challenging. Here, the authors estimate that on 1 June 2020, 3.7% of the US population was infected with SARS-CoV-2, and 0.01% was infectious, with wide variation by state.
Raman spectroscopic imaging (RSI) can provide information on the chemical composition of a sample, but application to living organisms has lacked sufficient spatial resolution and signal strength. Here the authors apply confocal RSI to whole-mount zebrafish embryos to distinguish different infectious bacteria and to living zebrafish embryos to monitor the wound healing process.
Neoadjuvant chemotherapy is a therapeutic option for the treatment of breast cancer. Here, the authors characterize changes in the gene expression profiles and immune microenvironment in serial breast cancer biopsies taken before, during and after neoadjuvant chemotherapy.
Genomic aberrations disrupting chromosome spatial domains can lead to disease. Here, the authors investigate the impact of DNA damage response and repair on 3D genome folding, comparing wild type cells and ataxia telangiectasia mutated patient cells, and characterise both cell type-specific and shared changes to genome organization during the response to damage.
Improving the accessibility of ions in the electrodes of electrochemical energy storage devices is vital for charge storage and rate performance. Here, the authors report a new type of MXene-carbon nanotube composite electrode that maximizes ion accessibility, resulting in high rate performance at low temperatures.
The long noncoding RNA XIST plays a central role in sex-specific gene expression in humans by silencing one of two X chromosomes in female cells. Here the authors show that higher order secondary structure creates the modular domain structure of XIST ribonucleoprotein complex and spatial separation of functions.
Characterizing the assembly of the nuclear pore complex (NPC) remains challenging. Here, the authors develop a set of nanobodies that recognize seven constituent nucleoporins, study their binding characteristics, and apply them to probe accessible and obstructed NPC surfaces in yeast.
Drosophila Moonwalker Descending Neurons (MDNs) alter leg motor circuit dynamics so that the fly walks backwards. The authors identify two MDN effector neurons that directly control the stance and swing phases of the backward stepping cycle, indicating distributed control of local motor circuits via command-type descending neurons.
It is commonly accepted that electrolyte alkali metal cations modify the catalytic activity for oxygen evolution reaction. Here the authors challenge this assumption, showing that the activity is actually affected by a change in the electrolyte pH rather than a specific alkali cation.
Malaria gametocytes are sexual-stage parasites transmitted from mammalian host’s blood back to their insect vector. Here, Prajapati et al. identify gametocyte-committed ring-stage biomarkers allowing to forecast malaria transmission potential.
Mutations of α2-Na/K ATPase can cause familial hemiplegic migraine via unclear mechanisms. Here, the authors show that deletion of α2-Na/K ATPase in astrocytes results in gene expression and metabolic changes leading to cortical spreading depression and episodic transient motor paralysis in mice.