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    1. Cell Biology
    2. Chromosomes and Gene Expression

    Methylation of histone H3K23 blocks DNA damage in pericentric heterochromatin during meiosis

    Romeo Papazyan, Ekaterina Voronina ... Sean D Taverna
    A previously unappreciated histone methylation pathway helps limit DNA double-strand break formation and recombination in heterochromatin during meiosis.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    A map of human PRDM9 binding provides evidence for novel behaviors of PRDM9 and other zinc-finger proteins in meiosis

    Nicolas Altemose, Nudrat Noor ... Simon R Myers
    In humans, specific sequence features can predict whether meiotic recombination occurs at sites bound by the protein PRDM9, whose DNA-binding zinc-finger domain can unexpectedly bind to gene promoters and to other copies of PRDM9.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Genome-wide detection of imprinted differentially methylated regions using nanopore sequencing

    Vahid Akbari, Jean-Michel Garant ... Steven JM Jones
    A genome-wide map of human allele-specific methylation using long-read sequencing detects novel imprinted DNA methylation events and reveals large blocks of subtle parent-of-origin bias in DNA methylation with mutual exclusive allelic H3K36me3 and H3K27me3 histone modifications.
    1. Microbiology and Infectious Disease

    Chromatin mapping identifies BasR, a key regulator of bacteria-triggered production of fungal secondary metabolites

    Juliane Fischer, Sebastian Y Müller ... Axel A Brakhage
    Genome-wide chromatin mapping during bacterial-fungal cocultivation identifies the Myb-like transcription factor BasR as the major regulatory node of bacteria-triggered production of fungal secondary metabolites.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    The conformation of the histone H3 tail inhibits association of the BPTF PHD finger with the nucleosome

    Emma A Morrison, Samuel Bowerman ... Catherine A Musselman
    The BPTF PHD finger is inhibited from binding the methylated H3 tails in the context of the nucleosome due to their robust interaction with the nucleosomal DNA, which can be modulated by additional histone PTMs.
    1. Chromosomes and Gene Expression

    The role of RNA in the maintenance of chromatin domains as revealed by antibody-mediated proximity labelling coupled to mass spectrometry

    Rupam Choudhury, Anuroop Venkateswaran Venkatasubramani ... Axel Imhof
    Proximity biotinylation of the Drosophila centromere suggests a role of RNA helicases, centromeric transcripts, and centromeric R-loops for centromere function.
    1. Chromosomes and Gene Expression

    Combinations of maternal-specific repressive epigenetic marks in the endosperm control seed dormancy

    Hikaru Sato, Juan Santos-González, Claudia Köhler
    Analyses of cell type-specific data show that the maternal alleles of genes related to establishing and breaking seed dormancy are suppressed by different combinations of epigenetic marks in the endosperm of Arabidopsis.
    1. Chromosomes and Gene Expression

    A synthetic biology approach to probing nucleosome symmetry

    Yuichi Ichikawa, Caitlin F Connelly ... Paul D Kaufman
    A novel system for expression of asymmetric nucleosomes in vivo enables mechanistic studies on histone modification readouts in the cell.
    1. Plant Biology

    A novel bivalent chromatin associates with rapid induction of camalexin biosynthesis genes in response to a pathogen signal in Arabidopsis

    Kangmei Zhao, Deze Kong ... Seung Yon Rhee
    A previously uncharacterized type of bivalent chromatin plays an important role controlling the timely induction of genes involved in making a potent defense metabolite upon a pathogen signal in Arabidopsis.
    1. Genetics and Genomics
    2. Neuroscience

    Dnmt3a knockout in excitatory neurons impairs postnatal synapse maturation and increases the repressive histone modification H3K27me3

    Junhao Li, Antonio Pinto-Duarte ... M Margarita Behrens
    Loss of Dnmt3a in excitatory neurons disrupts synaptic morphology and behavior, and triggers the expansion of H3K27me3 binding, suggestive of increased polycomb repression.