80 results found
    1. Chromosomes and Gene Expression

    The chromatin remodelers RSC and ISW1 display functional and chromatin-based promoter antagonism

    Timothy J Parnell et al.
    A combination of genetics, expression, genomic localization, and genomic nucleosome profiling demonstrates antagonism between two chromatin remodelers that reveal different mechanisms at different promoter architectures.
    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. Chromosomes and Gene Expression

    Asymmetry between the two acidic patches dictates the direction of nucleosome sliding by the ISWI chromatin remodeler

    Robert F Levendosky, Gregory D Bowman
    Unlike Chd1, ISWI remodelers preferentially shift asymmetric nucleosomes toward the side possessing a wild type acidic patch, regardless of DNA lengths flanking the nucleosome.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    The nucleosomal acidic patch relieves auto-inhibition by the ISWI remodeler SNF2h

    Nathan Gamarra et al.
    Auto-inhibition of ISWI-family ATP-dependent chromatin remodelers is relieved by a conserved feature of the nucleosome.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Basis of specificity for a conserved and promiscuous chromatin remodeling protein

    Drake A Donovan et al.
    The identification of a novel mechanism of chromatin remodeling, including a conserved remodeler domain and regulatory epitopes, provides targets for the design of therapeutics to modulate transcriptional regulation in cells.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Arabidopsis FORGETTER1 mediates stress-induced chromatin memory through nucleosome remodeling

    Krzysztof Brzezinka et al.
    Environmentally-mediated gene induction is extended beyond the duration of an external cue by sustaining a nucleosome-depleted chromatin structure.
    1. Biochemistry and Chemical Biology

    Dynamic regulation of transcription factors by nucleosome remodeling

    Ming Li et al.
    Single molecule DNA unzipping reveals a novel model for the regulation of transcription factors and nucleosome positioning via nucleosome remodeling in yeast.
    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. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Structure of the chromatin remodelling enzyme Chd1 bound to a ubiquitinylated nucleosome

    Ramasubramanian Sundaramoorthy et al.
    The unwrapping two turns of DNA on Chd1-bound nucleosomes cause the histone H3 tail and ubiquitin to be re-positioned.
    1. Computational and Systems Biology
    2. Neuroscience

    A molecular mechanism for the topographic alignment of convergent neural maps

    Elise Savier et al.
    Retinal ephrin-As gradients provide positional information, through retino-collicular map in the superior colliculus, for topographic alignment of cortico-collicular projections.

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