973 results found
    1. Microbiology and Infectious Disease

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

    Juliane Fischer et al.
    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

    Sphingosine 1-phosphate-regulated transcriptomes in heterogenous arterial and lymphatic endothelium of the aorta

    Eric Engelbrecht et al.
    The sphingosine 1-phosphate receptor-1 (S1PR1) signals in heterogenous populations of mouse adventitial lymphatic (LEC) and arterial endothelial cells (aEC1, aEC2) to regulate chromatin and the transcriptome, thus affecting their phenotypes.
    1. Chromosomes and Gene Expression
    2. Physics of Living Systems

    Chromosome organization by one-sided and two-sided loop extrusion

    Edward J Banigan et al.
    Seemingly contradictory findings of single-molecule and in vivo experiments on a major mechanism of chromosome organization are reconciled by computationally investigating mechanisms of loop extrusion that are consistent with both.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    The DNA-binding protein HTa from Thermoplasma acidophilum is an archaeal histone analog

    Antoine Hocher et al.
    In Thermoplasma acidophilum, an archaeon without histones, a DNA-binding protein acquired from bacteria via horizontal gene transfer mediates histone-like chromatin architecture.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A glucose-starvation response regulates the diffusion of macromolecules

    Ryan P Joyner et al.
    During stress conditions, eukaryotic cells dramatically alter their biophysical properties to regulate diffusion of macromolecules.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Nucleosome breathing and remodeling constrain CRISPR-Cas9 function

    R Stefan Isaac et al.
    The inhibitory influence of nucleosomes on CRISPR-Cas9 is mitigated by nucleosomal DNA breathing and chromatin remodeling.
    1. Physics of Living Systems

    Quantitative dissection of transcription in development yields evidence for transcription-factor-driven chromatin accessibility

    Elizabeth Eck et al.
    Confronting different models of chromatin accessibility with temporally resolved transcription profiles favors a scenario where transcription factors actively, rather than passively, drive chromatin from the inaccessible to the accessible state.
    1. Cell Biology
    2. Evolutionary Biology

    Chromatin is an ancient innovation conserved between Archaea and Eukarya

    Ron Ammar et al.
    Similarities in the way that nucleosomes are organized into chromatin in archaea and eukaryotes suggest that chromatin might have been involved in gene regulation before its role in DNA packaging evolved.
    1. Genetics and Genomics

    Genome-wide quantification of the effects of DNA methylation on human gene regulation

    Amanda J Lea et al.
    mSTARR-seq identifies regions of the genome where DNA methylation causally impacts gene expression, providing a map of which epigenetic marks may influence trait variation.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    Dynamic multifactor hubs interact transiently with sites of active transcription in Drosophila embryos

    Mustafa Mir et al.
    The probability of transcription factors binding to their target sites is choreographed through the formation of dynamic multi-protein hubs that transiently interact with actively transcribing genes.

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