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The heteroskedastic linear mixed model is a new framework for testing both mean and variance effects on quantitative traits. Applying the heteroskedastic linear mixed model to body mass index in the UK Biobank shows that the approach increases the power to detect associated loci.
The authors extend stratified linkage disequilibrium score regression to partition the heritability of both low-frequency and common variants in 40 heritable traits from the UK Biobank, providing insights into low-frequency and rare variant functional architectures.
Combining 32 genome-wide association studies with high-density imputation provides a comprehensive view of the genetic contribution to type 2 diabetes in individuals of European ancestry with respect to locus discovery, causal-variant resolution, and mechanistic insight.
Sequencing of haploid sugarcane, Saccharum spontaneum, allows assembly of a prototypical version of the sugarcane chromosome set. This new reference genome will serve as a resource to accelerate sugarcane improvement.
Analysis of mRNA splicing in the dorsolateral prefrontal cortex from two cohorts established to study aging identifies variations in pre-mRNA splicing events that are associated with Alzheimer’s disease.
A mapping approach that screens mutants in a sterile interspecific hybrid identifies the genetic determinants of differences in high-temperature growth between divergent Saccharomyces cerevisiae and Saccharomyces paradoxus yeast species.
Analysis of genetic data and blood lipid measurements from over 300,000 participants in the Million Veteran Program identifies new associations for blood lipid traits.
Sequence assemblies for the genomes of 16 widely used inbred laboratory mouse strains highlight considerable strain-specific haplotype variation and allow for the identification of regions with the greatest sequence diversity between strains.
A Pitx1 enhancer shows activity in forelimbs and hindlimbs but only interacts with Pitx1 in hindlimbs because of its three-dimensional configuration. Structural variants that affect three-dimensional conformation induce Pitx1 expression in forelimbs and cause partial arm-to-leg transformation in mice and humans.
Analysis of genomic and transcriptomic data from 462 patient-derived tumor cell (PDC) samples across 14 cancer types, along with pharmacological responses to 60 agents, indicates that PDC-derived drug sensitivities might be predictive of clinical response to targeted therapies.
The stay-green G gene, which controls seed dormancy, shows evidence of selection in soybean, rice and tomato. G interacts with NCED3 and PSY and modulates abscisic acid synthesis.
Genome-wide and metagenome-wide association study of 92 cardiovascular-diseases-related proteins identifies genetic and microbial factors that explain 76.6% of inter-individual variation, highlighting the role of gut microbiome in cardiovascular disease.
Promoter capture Hi-C in colorectal cancer cells integrated with cancer genome and expression data identifies a noncoding, cis-regulatory element that is recurrently mutated in cancer, affecting ETV1 expression, cell viability and patient survival.
Analyses of 3,514 whole-genome-sequenced individuals from Sardinia indicate that within-island substructure and sex-biased processes have impacted the genetic history of Sardinia, providing new insight into the demography of ancestral Sardinians.
Analysis of bivalent promoters in embryonic stem cells (ESCs) shows that deletion of MLL2 in ESCs leads to increased Polycomb occupancy, reduced promoter accessibility, redistribution of long-range chromatin interactions, and failure to differentiate.
Association analyses in over 1 million individuals identify 535 new loci influencing blood pressure traits. The results provide new insights into blood pressure regulation and highlight shared genetic architecture between blood pressure and lifestyle exposures.
Fine-mapping and functional studies highlight potential causal risk variants for rheumatoid arthritis and type 1 diabetes, including missense variants at DNASE1L3, PTPN22, SH2B3, and TYK2, and noncoding variants at MEG3, CD28–CTLA4, and IL2RA.
SEEKR is a method that deconstructs linear sequence relationships between lncRNAs and evaluates similarity on the basis of abundance of short motifs called k-mers. LncRNAs of related function often have similar k-mer profiles despite lacking linear homology.
De novo mutations in MSL3 cause an X-linked syndrome affecting both males and females. MSL3 mutations reduce H4K16ac levels and lead to misregulation of cellular pathways involved in morphogenesis, cellular shape, and cell migration.
Large-scale loss-of-function screens and TP53 saturation mutagenesis screens in human cancer cell lines suggest that mutational processes combine with phenotypic selection to shape the landscape of somatic mutations at the TP53 locus.