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Wood density is an important plant trait. Data from 1.1 million forest inventory plots and 10,703 tree species show a latitudinal gradient in wood density, with temperature and soil moisture explaining variation at the global scale and disturbance also having a role at the local level.

Wu and colleagues present an integrated imaging workflow that combines signal amplification with multiplex immunostaining to improve detection of low-abundance proteins in human tissues, enabling detailed spatial profiling across many molecular markers.

An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

The structure and functioning of soil food webs between biomes remains unknown. Here, tropical soil food webs are shown to have higher energy flux, predation and herbivory than temperate soil food webs which are based on litter and microbial biomass.

Tropical forests regulate Earth’s carbon cycle, but what governs carbon sequestration following land use remains unclear. Here Tang et al find a shift from strong nitrogen limitation to no nutrient limitation over tropical forest secondary succession.

Biological nitrogen fixation may impose stronger constraints on the carbon sink in natural terrestrial biomes and represent a larger source of agricultural nitrogen than is generally considered in analyses of the global nitrogen cycle.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

Plasmas can unlock unconventional reactivity for established catalytic systems, but understanding the resulting mechanistic changes is a complex endeavour. Here in situ characterization techniques allow us to rationalize the promotional role of non-thermal plasma on the catalytic hydrogenation of CO₂ to methanol on Cu–Zn systems.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

An approach combining BONCAT, stable isotope probing and metaproteomics showcases the hidden metabolic interconnectivity of microorganisms within an anaerobic digestion community.

In this study, enhancer RNA transcription is used as a filter for discovery of SNPs associated with asthma risk that reside within genomic enhancers. A genetic link between asthma and regulation of glucocorticoid receptor expression by combusted air pollutants was characterized.

Long-term high-resolution data on social relationships, space use and microhabitat in a wild population of mice (Apodemus sylvaticus), accompanied by sampling of the gut microbiota, show that distinct sets of microorganisms dominate social and environmental transmission routes of microbiota. Microorganisms with low oxygen tolerance are more reliant on social transmission.

Focusing on the carbon storage potential of urban vegetation, soils and buildings, this Article assesses the literature on carbon dioxide removal at the urban scale. With the prospect of making cities into carbon sinks, the authors identify research gaps and recommendations related to governance, economic barriers and implementation.

A large genome-wide association study of more than 5 million individuals reveals that 12,111 single-nucleotide polymorphisms account for nearly all the heritability of height attributable to common genetic variants.

Climate change can alter when and how animals grow, breed, and migrate, but it is unclear whether this allows populations to persist. This global study shows that shifts in seasonal timing are key to helping vertebrate species maintain population growth under global warming.

Genomic analyses applied to 14 childhood- and adult-onset psychiatric disorders identifies five underlying genomic factors that explain the majority of the genetic variance of the individual disorders.

We combine data from global forest resource assessments with a forest model to quantify the role of major drivers of net carbon fluxes from global forest biomass at national resolution between 1990 and 2020. We find that growth-condition changes, more than reforestation, counteracted forest biomass carbon emissions mostly driven by deforestation.

An analysis of the impact of logging intensity on biodiversity in tropical forests in Sabah, Malaysia, identifies a threshold of tree biomass removal below which logged forests still have conservation value.

Cloudinomorphs were one of the few groups to survive from the Ediacaran into the Cambrian, but they are known only from their external tubes. Here, Schiffbauer et al. report soft-tissue preservation of cloudinomorphs; the internal structures are interpreted as guts characteristic of bilaterians.

The number of individuals in a given space influences animal interactions and network dynamics. Here the authors identify general rules underlying density dependence in animal networks and reveal some fundamental differences between spatial and social dynamics.

An investigation using various methods reports an association between adeno-associated virus 2 and paediatric hepatitis of unknown aetiology.

Numerical models predict that during an oceanic anoxic event (OAE), increased organic carbon burial drives a rise in atmospheric oxygen leading to the event’s termination. Here, the authors present evidence suggesting that the Toarcian OAE was terminated by rising oxygen and associated fire-feedbacks.

As the indications for T cell immunotherapies, particularly chimeric antigen receptor T cell therapy, continue to expand, a nuanced understanding of their potential adverse effects is required. In this Review, Raddatz and colleagues summarize the mechanisms, epidemiology and management of T cell therapy-associated cytokine release syndrome and subsequent cardiotoxicity.

The Middle Palaeolithic of southwest Asia witnessed interactions and knowledge sharing between archaic and modern humans ~130,000–80,000 years ago. These interactions led to increased behavioural complexity and consolidation of a uniform behavioural set across Homo groups in the region.

A machine-learning-based computational approach to probe pathway coessentiality reveals that complex II of the electron transport chain regulates de novo purine synthesis, and can be targeted to treat acute myeloid leukaemia.

The contribution of symbiotic dinitrogen fixation to the forest carbon sink could change throughout forest succession. Here the authors model nitrogen cycling and light competition between trees based on data from Panamanian forest plots, showing that fixation contributes substantially to the carbon sink in early successional stages.

Using tree community data from 29 tropical and temperate sites that have experienced multi-decadal alterations in fire frequency, the authors show repeated burning generally reduces stem density and basal area, with most pronounced effects in savanna ecosystems and in sites with strong wet seasons or strong dry seasons.

Here the authors provide an explanation for 95% of examined predicted loss of function variants found in disease-associated haploinsufficient genes in the Genome Aggregation Database (gnomAD), underscoring the power of the presented analysis to minimize false assignments of disease risk.

Host-parasite interactions can lead to negative frequency-dependent selection. Here, the authors sequence the genomes of H. bakeri and H. polygyrus, parasites of house and wood mice, respectively, and find that proteins that interact with the host immune response are often highly diverse.

A genome-wide association meta-analysis study of blood lipid levels in roughly 1.6 million individuals demonstrates the gain of power attained when diverse ancestries are included to improve fine-mapping and polygenic score generation, with gains in locus discovery related to sample size.

Land-based mitigation for meeting the Paris climate target must consider the carbon cycle impacts of land-use change. Here the authors show that when bioenergy crops replace high carbon content ecosystems, forest-based mitigation could be more effective for CO₂ removal than bioenergy crops with carbon capture and storage.

Polygenic scores for body mass index and obesity constructed using data from 5 million people with different ancestries were associated with distinct weight gain trajectories from early childhood to adulthood.

Actionable research recommendations are outlined to improve the monitoring and modelling of forest resources and their carbon sink, and to better inform forest management decisions and the European Green Deal.

Sera from vaccinated individuals and some monoclonal antibodies show a modest reduction in neutralizing activity against the B.1.1.7 variant of SARS-CoV-2; but the E484K substitution leads to a considerable loss of neutralizing activity.

Chronic infection with SARS-CoV-2 leads to the emergence of viral variants that show reduced susceptibility to neutralizing antibodies in an immunosuppressed individual treated with convalescent plasma.

Understanding deregulation of biological pathways in cancer can provide insight into disease etiology and potential therapies. Here, as part of the PanCancer Analysis of Whole Genomes (PCAWG) consortium, the authors present pathway and network analysis of 2583 whole cancer genomes from 27 tumour types.

Many tumours exhibit hypoxia (low oxygen) and hypoxic tumours often respond poorly to therapy. Here, the authors quantify hypoxia in 1188 tumours from 27 cancer types, showing elevated hypoxia links to increased mutational load, directing evolutionary trajectories.

Carbon dioxide enrichment of a mature forest resulted in the emission of the excess carbon back into the atmosphere via enhanced ecosystem respiration, suggesting that mature forests may be limited in their capacity to mitigate climate change.

A pan-cancer genomic analysis reports the effects of structural variations on chromatin domains (TADs). Most TAD disruptions do not result in appreciable changes in expression of nearby genes.

Integrative analyses of transcriptome and whole-genome sequencing data for 1,188 tumours across 27 types of cancer are used to provide a comprehensive catalogue of RNA-level alterations in cancer.

Whole-genome sequencing data for 2,778 cancer samples from 2,658 unique donors across 38 cancer types is used to reconstruct the evolutionary history of cancer, revealing that driver mutations can precede diagnosis by several years to decades.

The authors present SVclone, a computational method for inferring the cancer cell fraction of structural variants from whole-genome sequencing data.

The characterization of 4,645 whole-genome and 19,184 exome sequences, covering most types of cancer, identifies 81 single-base substitution, doublet-base substitution and small-insertion-and-deletion mutational signatures, providing a systematic overview of the mutational processes that contribute to cancer development.