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  • In this Review, the authors discuss our latest understanding of extrachromosomal DNA (ecDNA), a type of circular DNA element commonly found in cancers. They discuss ecDNA properties, including oncogene amplifications and transcriptional hub formation, as well as opportunities for therapeutic interventions.

    • Eunhee Yi
    • Rocío Chamorro González
    • Roel G. W. Verhaak
    Review Article
  • A study in Nature describes ‘DNA Typewriter’, a prime-editing-based DNA recording technology that can capture the order of large numbers of distinct molecular events in mammalian cells.

    • Kirsty Minton
    Research Highlight
  • Spatial omics methods enable the charting of cellular heterogeneity, complex tissue architectures and dynamic changes during development and disease. The authors review the developing landscape of in situ spatial transcriptome, genome and proteome technologies and highlight their impact on basic and translational research.

    • Jeffrey R. Moffitt
    • Emma Lundberg
    • Holger Heyn
    Review Article
  • In this Review, Preissl, Gaulton and Ren discuss single-cell epigenomic methods and data analysis tools, their readiness for profiling cis-regulatory elements in human tissues and the insight they can provide into dynamic, context-specific gene regulation.

    • Sebastian Preissl
    • Kyle J. Gaulton
    • Bing Ren
    Review Article
  • In this Perspective, the authors discuss how regulated alternative splicing can generate phenotypic diversity and outline emerging evidence that alternative splicing contributes to adaptation and species divergence.

    • Charlotte J. Wright
    • Christopher W. J. Smith
    • Chris D. Jiggins
    Perspective
  • Two recent studies report microbial genome and gene catalogues that archive oceanic and glacial genomic and functional diversity at scale and yield insights into their biosynthetic potential.

    • Linda Koch
    Research Highlight
  • Two new papers in Nature report copy-number-based classification systems across cancer types that provide routes for personalized therapy.

    • Darren J. Burgess
    Research Highlight
  • A report in Cell takes single-cell CRISPR screens to genome scale and demonstrates how the transcriptional phenotypes can be used to resolve gene functions.

    • Lucia Brunello
    Research Highlight
  • Molecular measures of biological ageing based on high-throughput omics technologies are enabling the quantitative characterization of ageing. The authors review how epigenomic, transcriptomic, proteomic, metabolomic and other omics data can be harnessed using machine learning to build ‘ageing clocks’.

    • Jarod Rutledge
    • Hamilton Oh
    • Tony Wyss-Coray
    Review Article
  • In this Comment, the authors highlight caveats about using African ethnicities as population categories in genomics research and emphasize the need for an Africa-oriented humanities research agenda to inform genomics research.

    • Henri-Michel Yéré
    • Mavis Machirori
    • Jantina De Vries
    Comment
  • In this Review, Kim and Kingston discuss the compositional and mechanistic diversity of Polycomb repressive complexes (PRCs) and how their context-dependent formation may be required for proper epigenetic regulation in development.

    • Jongmin J. Kim
    • Robert E. Kingston
    Review Article
  • tRNA function and gene expression profiles are dynamically regulated by post-transcriptional tRNA modifications. Here, Orellana et al. discuss the canonical role of tRNAs in mRNA translation, focusing on alterations in tRNA abundance or function implicated in human diseases.

    • Esteban A. Orellana
    • Elisabeth Siegal
    • Richard I. Gregory
    Review Article
  • In this Editorial, we reflect on the field’s responsibility around the potential uses and abuses of genetics and genomics research.

    Editorial
  • Gegenhuber et al. now show that, in mice, a neonatal surge in oestradiol activates oestrogen receptor-α to drive a sustained male-typical gene expression programme that determines brain sexual differentiation.

    • Katharine H. Wrighton
    Research Highlight