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SARS-CoV-2 evolves into new subtypes necessitating further vaccine development. Here the authors generate a trivalent vaccine with Receptor Binding Domains from Delta, BA.5 and XBB.1.5 variants and characterize immunogenicity and protection in mice and safety in a phase I vaccine trial in humans.

A recombinant vaccine that targets the receptor-binding ___domain of the spike protein of SARS-CoV-2 induces a potent antibody response in immunized mice, rabbits and non-human primates, and protects primates from infection with the virus.

The SARS-CoV-2 Omicron variant has quickly become the predominant circulating variant, due to the high transmissibility and immune escape. Here, the authors develop a trimeric protein vaccine candidate and show a sustained humoral immune response, and protection from challenge (Omicron and Delta) in various animal models.

Lei et al. show that intranasal immunisation with their vaccine candidate is able to broadly protect mice from SARS-CoV-2 infection, including Omicron variants.

In a first-in-human phase I trial of patients with advanced lung cancer, infusions of autologous T cells edited to delete the PD-1 gene via CRISPR–Cas9 were well tolerated and did not lead to severe treatment-related adverse events.

Steviol glycosides from the plant Stevia rebaudiana are already used as lowcalorie sweeteners, but the most abundant naturally occurring compounds have a bitter aftertaste. Here, the authors characterize and engineer rice glycosyltransferase OsUGT91C1 to facilitate the large-scale production of naturally rare but palatable glycosides Reb D and Reb M

Specific modification or functionalization of proteins at the C-terminus is of interest but remains challenging. Here, the authors report an approach for the efficient modification of C-terminus by fusion of the cysteine protease ___domain (CPD) on the C-terminus of the protein of interest, and subsequent functionalization with amine-containing molecules triggered by InsP6-mediated CPD self-cleavage.

The human gonadotropin-releasing hormone receptor GnRH1R is a GPCR with an important role in the human reproductive system and of interest as a drug target. Here, the authors present the 2.8 Å crystal structure of human GnRH1R with the high affinity antagonist drug Elagolix and the observed unusual ligand binding mode was further analysed with functional assays and molecular docking studies.

The gamma-ray burst GRB 060614 was an unusual astrophysical event whose origins are still unclear. This study re-examines the burst’s afterglow data and finds an excess in the spectrum that appears to be consistent with a weak macronova, suggesting that GRB 060614 originated from a compact binary merger.

Signet-ring cell carcinoma (SRCC) is a unique type of gastric cancer with no prognostic features. Here, the authors report a CLDN18-ARHGAP26/6 gene fusion in patients with a high signet-ring cell content, poor survival outcomes, and who experience no benefit from platinum/fluoropyrimidines-based chemotherapy.

This study reveals that the interaction between antiferromagnetic magnetic moments and electron spin causes disordered carriers to hop between localized states, resulting in a nonlinear increase in the terahertz responsivity as temperature decreases.

UGT76G1 is an UDP-glucose dependent glycosyltransferase and a component of the biosynthesis pathway for the natural sugar substitute steviol glycoside. Here, the authors present substrate bound crystal structures of UGT76G1 and provide insights into substrate recognition and catalysis by the enzyme.

The phage phi3T peptide SAIRGA directs the lysis–lysogeny decision by modulating conformational changes in phAimR, whereas the SPbeta peptide GMPRGA regulates the lysis–lysogeny pathway by stabilizing spAimR in the dimeric state.

Nanoparticles capable of selectively binding target chemicals have potential for detoxification processes, but can lead to accumulation in the liver. Here the authors show a 3D-printed device containing functional nanoparticles, allowing the detox potential to be realised while holding the particles in place.

Luo et al. report that heat stress activates YAP to launch the heat shock transcriptome through inducing dephosphorylation and degradation of LATS independent of the upstream kinases MST and MAP4Ks.

Dynamic process of epitaxial microstructure forming during laser additive manufacturing is important for achieving single crystalline texture. Here, the authors perform in situ, real-time synchrotron Laue diffraction to capture the microstructural evolution in Ni-based single-crystal superalloy.

Na et al. identify KMT2C deficiency as a driver of small cell lung cancer metastasis and demonstrate that it leads to epigenetic reprogramming through histone and DNA hypomethylation by upregulating DNMT3A.

Cryo-electron microscopy has been used to determine the structure of the Tetrahymena ribozyme (a catalytic RNA) at sufficiently high resolution to model side chains and metal ions.

Several in vitro synthetic enzymatic biosystems (ivSEBs) to produce poly-3-hydroxybutyrate (PHB) via acetyl-coenzyme A (acetyl-CoA) have been reported, but suffer from complicated operation procedures, low yields, and/or dependence on costly ATP. Here, the authors report the design of an ATP-free ivSEB for one-pot, high-yield PHB biosynthesis via acetyl-CoA utilizing starch-derived maltodextrin as the sole substrate.

The activation of drugs within cellular systems may provide targeted therapies for cancer. Here, the authors make a drug delivery system that is activated within the cell and exploits XIAP expression to cleave a linker region, resulting in the self-assembly of the system and drug release within cancer cells.

Legumain is a protease found expressed in tumour cells and may be useful in the specific targeting of chemotherapeutics to tumour cells. Here, the authors design nanoparticles that are loaded with doxorubicin and contain a legumain cleavage site; once the nanoparticles enter tumour cells legumain activity results in the release of doxorubicin.

High-risk human papilloma virus (HR-HPV) infection is strongly associated with cervical cancer and current evidences link E7 to HPV-associated carcinogenesis. Here the authors propose a model in which the infection of epithelial cells with high risk HPV results in a burst of reactive oxygen species, translocation of LDHA to the nucleus and activation of a gene profile that supports the growth of cervical cancer.

Recent advances in metasurface have expanded holographic capabilities. Here, authors introduce a nonorthogonal polarization multiplexing strategy using spatially varied eigen-polarization states in metaatoms to achieve 55-channel holography, unlocking the holographic information capacity.

Developing programmable untethered soft robotics remains a challenge. Here the authors apply the asymmetric elastoplasticity of stacked graphene assembly to address this challenge and realize untethered thermoresponsive morphing in tandem with high configurational programmability.

The potassium channel KCNQ2 can be activated by analgesics and antiepileptic drugs via an unclear mechanism. Here authors report structures of KCNQ2-CaM in complex with cannabidiol, PIP2, and HN37 and elucidate the mechanisms of activation.

Adeno-associated viruses (AAVs) are vehicles for gene therapy in humans, but currently only a limited amount of AAV serotypes is available. Here, the authors identify a novel AAV, AAVv66, and demonstrate enhanced production yields, virion stability, and CNS transduction compared to the clinically approved serotype AAV2.

The crystal structure of the full-length human glucagon receptor reveals the essential role of the 12-residue ‘stalk’ segment and an extracellular loop in the regulation of ligand binding and receptor activation.

CesT is a type III secretion system chaperone that interacts with the post-transcriptional regulator CsrA, which is important for the modulation of post-attachment signaling in enteropathogenic and enterohemorrhagic Escherichia coli. Here the authors present the structure of the CsrA/CesT complex and propose a mechanism for CsrA-modulation by CesT.

Hollow multishell structures (HoMSs) consist of multiple shells with voids between them that provide separate reaction environments within the same assembly. Here, the authors used TiO2-HoMS to deliver a broad-spectrum antibacterial agent, in three-stages and in response to environmental changes.

Bacterial infection stimulates a powerful inflammatory response that must be regulated to prevent tissue damage. Zhou et al.identify microRNA-302b as a feedback suppressor of inflammatory signalling that alleviates lung injury following Pseudomonas infection by targeting the NF-κB activator IRAK4.

Ceruloplasmin has an important role in the stabilization and nuclear transport of HIF-1α, thus regulating VEGF expression. Here the authors show that the transcription factor SARI reduces colorectal cancer growth and angiogenesis in vivoby inducing the degradation of ceruloplasmin, thereby inhibiting the HIFα/VEGF axis.

The Gabija system is a newly discovered bacterial immune system. Here, the authors report the EM structure of the Gabija complex at 3.6 Å. Here, the authors show that when invading phages depletes cellular NTP and dNTP, the nuclease activity of Gabija complex is activated and cleaves the circular DNA to prevent phage DNA replication.

The biosynthesis of xanthones has not been well documented. Here, the authors report that monooxygenase FlsO1 catalyzes three successive oxidations – hydroxylation, epoxidation and Baeyer–Villiger oxidation—to form the xanthone scaffold in actinomycetes.

Nitrate electroreduction to ammonia can decrease pollutants and produce high-value ammonia. Here, the authors design a Fe/Cu diatomic catalyst on nitrogen-doped graphene, which exhibits high catalytic activities of and selectivity for ammonia.

Developing new click chemistry reactions for robust molecular assembly remains challenging. Here the authors report a light-induced primary amines and o-nitrobenzyl alcohols photoclick cyclization for rapid and modular functionalization of small molecules and native biomolecules, in vitro and in living systems.

Designing efficient photonic neuromorphic systems remains a challenge. Here, the authors develop an in-sensor Reservoir Computing system for multi-tasked pattern classification based on a light-responsive semiconducting polymer (p-NDI) with efficient exciton dissociations, charge trapping capability, and through-space charge-transport characteristics.

Vimentin is an intermediate filament protein responsible for maintaining cell shape. Here, the authors characterise the role of the Salmonella effector SopB on the vimentin network and its contribution to infection.