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A genome-wide association study meta-analysis of more than 100,000 subjects of European and Asian ancestries reveals 42 new risk loci for rheumatoid arthritis, with follow-up studies identifying 98 biological candidate genes that are either already being targeted by drugs or could be in the future.
Chimaeric human–murine adeno-associated virus (AAV) capsids are described that transduce human primary hepatocytes more efficiently than currently used AAV vectors; the novel vectors may be good clinical candidates.
Whole-exome sequencing and analysis of 115 cervical carcinoma–normal paired samples, in addition to transcriptome and whole-genome sequencing for a subset of these tumours, reveal novel genes mutated at significant levels within this cohort and provide evidence that HPV integration is a common mechanism for target gene overexpression; results also compare mutational landscapes between squamous cell carcinomas and adenocarcinomas.
Diffuse white matter injury is common in very preterm infants; here, enhanced epidermal growth factor receptor signalling in oligodendrocyte precursor cells in a mouse model of such injury is shown to increase cellular and functional recovery.
A risk haplotype for type 2 diabetes is identified with four amino acid substitutions in SLC16A11, which is present at ∼50% frequency in Native American samples and ∼10% in east Asian samples, but is rare in European and African samples; SLC16A11 may alter hepatic lipid metabolism, causing an increase in triacylglycerol levels.
The Tet family of dioxygenase enzymes convert 5-methylcytosine to 5-hydroxymethylcytosine, 5-formylcytosine and 5-carboxylcytosine, which has an effect on gene expression; here the structure of NgTet1, a Tet-like protein with the same activity as mammalian Tet1, is determined, showing that NgTet1 uses a base-flipping mechanism to access 5-methylcytosine.
Intermolecular Coulombic decay transfers excess energy to neighbouring molecules, which then lose a low-energy (and, hence, genotoxic) electron; here the process is experimentally confirmed to be site-selective and highly efficient, possibly enabling more targeted radiation therapy.
A highly specific chemical crosslinking method is used to trap a complex between an acyl carrier protein and a fatty acid dehydratase during fatty acid biosynthesis; subsequent X-ray crystallography, NMR spectroscopy and molecular dynamics simulations techniques enable the detailed study of this complex.
RecA bundles are shown to be important for the pairing of homologous loci that have segregated to opposite ends of the cell during DNA double-strand break repair in vivo in Escherichia coli.
This large comparative phylogenetic study across angiosperms shows that species that are herbaceous or have small conduits evolved these traits before colonizing environments with freezing conditions, whereas deciduous species changed their climate niche before becoming deciduous.
Applying a very large magnetic field to charge-neutral monolayer graphene produces a symmetry-protected quantum spin Hall state with helical edge states whose properties can be modulated by balancing the applied field against an intrinsic antiferromagnetic instability.
This study shows that aprataxin, encoded by a gene mutated in the neurodegenerative disorder AOA1, can remove the 5′ AMP from RNA–DNA junctions; this RNA–DNA damage response promotes cell survival.
Intermolecular Coulombic decay driven by resonant Auger decay can be used to produce low-energy electrons selectively from chosen molecular or atomic sites and with tunable energies, with possible applications in radiation therapy.
A single-flask, catalytic enantioselective conversion of terminal alkenes into a number of chiral products is described: this tandem diboration/cross-coupling reaction works on a broad range of substrates, requires small amounts of commercially available catalysts, and provides products in high yield and high selectivity.
High-resolution measurements of electrons obtained by satellite during the geomagnetic storm of 9 October 2012 together with a data-driven global wave model are analysed to show that scattering by a magnetospheric electromagnetic emission, known as ‘chorus’, can explain the temporal evolution of the observed increase in relativistic electron flux.
To establish what effect the Late Cenozoic cooling climate shift might have had on global erosion, inverse modelling of thermochronometric ages is used to show that erosion rates are increased by cooling, especially in glaciated mountain ranges.
A full genome sequence is presented of sugar beet Beta vulgaris, the first plant belonging to Caryophyllales to have its genome sequenced; spinach was sequenced to enable inter-clade comparisons, and intraspecific variation was analysed by comparative genomics of a progenitor of all beet crops and additional sugar beet accessions.
Basal-plane dislocations, identified as fundamental defects in bilayer graphene by transmission electron microscopy and atomistic simulations, reveal striking size effects, most notably a pronounced buckling of the graphene membrane, which drastically alters the strain state and is of key importance for the material’s mechanical and electronic properties.