1,458 results found
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Convergence of topological domain boundaries, insulators, and polytene interbands revealed by high-resolution mapping of chromatin contacts in the early Drosophila melanogaster embryo

    Michael R Stadler et al.
    Fruit fly chromosomes are divided into discrete structural domains by regions of decompacted chromatin, suggesting a novel model for the formation of a known class of genetic elements.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A PALB2-interacting domain in RNF168 couples homologous recombination to DNA break-induced chromatin ubiquitylation

    Martijn S Luijsterburg et al.
    A new mechanism is uncovered by which the RNF168 ubiquitin ligase couples PALB2-dependent homologous recombination to H2A ubiquitylation to promote DNA repair and preserve genome integrity.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Computational prediction of CTCF/cohesin-based intra-TAD loops that insulate chromatin contacts and gene expression in mouse liver

    Bryan J Matthews, David J Waxman
    Certain types of 3D chromatin loops are easy to predict from existing or easily obtainable 2D information, which benefits gene expression studies in tissues/cells/organisms without extensive pre-existing 3D information.
    1. Chromosomes and Gene Expression

    Temporal dynamics and developmental memory of 3D chromatin architecture at Hox gene loci

    Daan Noordermeer et al.
    Hox genes are activated sequentially and, at the same time, undergo a transition from an inactive to an active chromatin compartment, most likely to prevent posterior genes being activated too early.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Elba, a novel developmentally regulated chromatin boundary factor is a hetero-tripartite DNA binding complex

    Tsutomu Aoki et al.
    A chromatin boundary factor that is only active during early embryo development has been discovered in Drosophila.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    A novel SH2 recognition mechanism recruits Spt6 to the doubly phosphorylated RNA polymerase II linker at sites of transcription

    Matthew A Sdano et al.
    The tandem SH2 domains of Spt6 use novel mechanisms to bind unexpected phosphorylated serine and threonine residues in the RNA polymerase II linker to recruit Spt6 to sites of transcription and maintain repressive chromatin.
    1. Chromosomes and Gene Expression

    Crosstalk within a functional INO80 complex dimer regulates nucleosome sliding

    Oliver Willhoft et al.
    Regulation of the INO80 chromatin remodelling complex differs from those identified in other chromatin remodellers and involves a C-terminal domain of the Ino80 subunit.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Concerted regulation of ISWI by an autoinhibitory domain and the H4 N-terminal tail

    Johanna Ludwigsen et al.
    The N-terminal domain of the chromatin remodeler ISWI contains previously uncharacterized conserved motifs that maintain structure, prevent ATP hydrolysis unless nucleosomes are bound, and confer H4-tail sensitivity without directly competing with the H4 tail.
    1. Cell Biology
    2. Evolutionary Biology

    Evolution of histone 2A for chromatin compaction in eukaryotes

    Benjamin R Macadangdang et al.
    The N-terminal domain in histone 2A serves as an evolutionary tool to enable greater chromatin compaction when genome size is disproportionately larger than the nuclear volume across eukaryotes.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    MeCP2 nuclear dynamics in live neurons results from low and high affinity chromatin interactions

    Francesco M Piccolo et al.
    Single molecular imaging of MeCP2 at high spatial/temporal resolution identifies distinct structural domains contributing to its dynamic behaviors and chromatin interactions in live neurons.

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