561 results found
    1. Chromosomes and Gene Expression
    2. Physics of Living Systems

    Regulation of chromatin microphase separation by binding of protein complexes

    Omar Adame-Arana, Gaurav Bajpai ... Samuel Safran
    Chromatin-binding proteins regulate the effective solvent quality experienced by chromatin and impact global chromatin organization in the nucleus.
    1. Chromosomes and Gene Expression

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

    Daan Noordermeer, Marion Leleu ... Denis Duboule
    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. Chromosomes and Gene Expression

    Exploring chromosomal structural heterogeneity across multiple cell lines

    Ryan R Cheng, Vinicius G Contessoto ... Jose N Onuchic
    Chromosomal structural ensembles are fluid yet are cell-type-specific, despite apparent disorder, appropriate collective variables uncover evidence of structural transitions associated with gene activity and cell differentiation.
    1. Chromosomes and Gene Expression

    Differentiating Drosophila female germ cells initiate Polycomb silencing by regulating PRC2-interacting proteins

    Steven Z DeLuca, Megha Ghildiyal ... Allan C Spradling
    Characterization of Drosophila female germ cell differentiation shows that nurse cells initiate Polycomb silencing by regulating Pcl and Scm levels to alter the biochemical properties of the PRC2 H3K27 methylase.
    1. Chromosomes and Gene Expression

    Synthetic CpG islands reveal DNA sequence determinants of chromatin structure

    Elisabeth Wachter, Timo Quante ... Adrian Bird
    Genomic landmarks, known generically as ‘CpG islands’, program chromatin structure via their richness in the dinucleotide CG and their skewed composition of DNA bases.
    1. Developmental Biology

    Histone deacetylase 1 maintains lineage integrity through histone acetylome refinement during early embryogenesis

    Jeff Jiajing Zhou, Jin Sun Cho ... Ken WY Cho
    Histone deacetylase 1 (Hdac1) plays a crucial role in maintaining differential histone acetylation states of enhancers in various germ layers and regulates the transcriptional program both temporally and spatially.
    1. Physics of Living Systems

    How enzymatic activity is involved in chromatin organization

    Rakesh Das, Takahiro Sakaue ... Tetsuya Hiraiwa
    Computer simulations considering actions of the intranuclear enzyme, Topoisomerase-II, in a mechanistic scheme elucidated a capability of enzymes to contribute to controlling chromatin spatial organizations and discovered new characteristic features in eu- and heterochromatin organization caused by the enzymatic activity.
    1. Cell Biology
    2. Computational and Systems Biology

    Mechanisms of chromosome biorientation and bipolar spindle assembly analyzed by computational modeling

    Christopher Edelmaier, Adam R Lamson ... Meredith D Betterton
    A computational model of fission yeast mitosis can interrogate mechanisms required for successful mitosis, the origin of spindle length fluctuations, and spindle force balance during assembly.
    1. Chromosomes and Gene Expression

    BRG1 governs glucocorticoid receptor interactions with chromatin and pioneer factors across the genome

    Jackson A Hoffman, Kevin W Trotter ... Trevor K Archer
    Within distinct chromatin landscapes, the BRG1 chromatin remodeling enzyme patterns hormone-dependent chromatin interactions, pioneer factor recruitment, and transcriptional activity.
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Association with TFIIIC limits MYCN localisation in hubs of active promoters and chromatin accumulation of non-phosphorylated RNA polymerase II

    Raphael Vidal, Eoin Leen ... Gabriele Büchel
    MYCN and TFIIIC exert a censoring function during early transcription, limiting the accumulation of inactive RNAPII at the promoter and facilitating promoter-proximal degradation of nascent RNA.

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