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We construct a chromosome-level genome assembly of the acorn barnacle Amphibalanus amphitrite. Using this genome together with multi-omics datasets and functional evidence, we reveal the evolution and function of two lineage-specific genes, bcs-6 and bsf, that help A. amphitrite adapt to a sessile lifestyle.
This study establishes in vitro and in vivo systems to study mutagenesis and cancer genome evolution. Using microfluidics and mouse models, the method enables the dissection of co-occurring mutational processes and reveals that acute damage results in mirror-image mutation phasing between sister cells after a single mitosis.
Chromosome-level genome sequences of 69 diverse Arabidopsis thaliana strains reveal a quasi-fixed genome structure worldwide, in which large rearrangement is limited almost exclusively to the centromeric regions. Pan-genome analysis uncovered substantial diversity in gene content that, together with the genome assemblies, will fuel future genetic research.
Using single-cell RNA-sequencing (scRNA-seq) of lung tissue, expression quantitative trait loci (eQTLs) were mapped across 38 cell types, revealing both shared and cell-type-specific effects. Highly cell-type-specific disease-interaction eQTLs were linked to cellular dysregulation in lung disease and lung disease risk variants were connected to their regulatory targets in relevant cell types.
We have curated a comprehensive single-cell reference map of the human breast. Our data explore how age, parity and germline mutations might influence cellular dynamics, revealing unexpected signs of immune exhaustion in healthy tissues from carriers of BRCA1 or BRCA2 germline mutations.
The exact relationship between 3D chromatin interactions and enhancer function is unclear. By probing three-dimensional enhancer interactions in developing embryos, two studies now show nuanced dynamics in tissue-specific contexts and reveal how moderately increased enhancer–promoter interactions coincide with functionality.
In mice, zygotic genome activation occurs at onset of the two-cell stage in embryonic development and coincides with the exit from totipotency. Our work shows that the transcription factor DUXBL participates in silencing part of the stage-specific two-cell-associated transcriptional program and is required for development to proceed.
We show that in addition to promoter activation, MYC drives cancer progression by activating transcriptional enhancers via a distinct mechanism. MYC cooperates with several other proteins at these cis-regulatory regions to change the epigenome and promote recruitment of RNA polymerase II and enhancer transcription.
Mutational signatures help to deconvolve the different processes that shape cancer genomes. A new tool now alleviates some of the persistent challenges in the field.
Genome-wide CRISPR screening coupled with ATAC-see uncovered modulators that influence global chromatin accessibility. Notably, TFDP1 emerged as a pivotal modulator of chromatin accessibility that acts by controlling histone transcription. Depletion of TFDP1 induced a global elevation in accessibility, enhancing the efficiency of genome editing and iPS cell reprogramming.
Gestational diabetes is a complex metabolic condition thought to have a strong genetic predisposition. A large genome-wide association study of participants from Finland sheds light on the genetic contributors, opening avenues for research into mechanisms that underlie glucose regulation in pregnancy to improve the health of mothers and babies.
Spatial omics enables the molecular profiling of cells with the tissue context preserved. A new analytic approach shows how cellular neighborhood analysis and feature augmentation can spatially connect and cluster millions of cells into higher-order functional units.
We constructed a pan-genome using 27 high-quality representative Brassica oleracea genomes. Using this pan-genome, together with multi-omics datasets from large-scale populations, we uncovered the important role of structural variations as dosage regulators of gene expression, which drives the morphotype diversification in B. oleracea.
A common architectural feature of the genome in many organisms is chromatin domains. A synthetic biology approach now builds chromatin domains from scratch and identifies some of the minimal components needed for their formation.
An open-source automated algorithm called DeepFlow enables large-scale derivation of aortic flow measurements, and genetic analysis of aortic flow, structural and functional traits demonstrates a causal relationship between aortic size and aortic valve regurgitation.
Understanding clinical heterogeneity in attention deficit hyperactivity disorder (ADHD) is important for improving personalized care and long-term outcomes. A study exploits the large scale and breadth of phenotyping of the iPSYCH cohort to link clinical heterogeneity to genetic heterogeneity in ADHD.
This Review explores mechanistic theories of aging, discusses challenges in establishing causality of these mechanisms and suggests that genetically informed investigation will help address this gap.
Skin color is highly variable in Africans, but the underlying molecular mechanisms remain poorly understood. Using population genetics and functional genomics, we identified key genetic variants, regulatory elements and genes that affect skin pigmentation, an adaptive trait, which provides valuable insights into the mechanisms underlying human skin color diversity and evolution.
