131 results found
    1. Chromosomes and Gene Expression

    Rapid epigenetic adaptation to uncontrolled heterochromatin spreading

    Jiyong Wang et al.
    Redundant pathways prevent heterochromatin spreading and ectopic heterochromatin assembly; and plasticity of heterochromatin assembly allows cells to adapt to heterochromatin stress.
    1. Chromosomes and Gene Expression

    Noncoding RNA-nucleated heterochromatin spreading is intrinsically labile and requires accessory elements for epigenetic stability

    R A Greenstein et al.
    Heterochromatin spreading in fission yeast predominantly produces intergenerationally unstable outcomes, requiring an accessory element that represses histone turnover.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    A conserved RNA degradation complex required for spreading and epigenetic inheritance of heterochromatin

    Gergana Shipkovenska et al.
    Genetic and biochemical studies show that a conserved ribosome biogenesis complex also localizes to heterochromatin, where it triggers RNA degradation and promotes the spreading and epigenetic inheritance of histone methylation.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Heterochromatin assembly by interrupted Sir3 bridges across neighboring nucleosomes

    Reza Behrouzi et al.
    Cooperative association of a histone-binding complex with pairs of appropriately modified nucleosomes, which form fundamental units of binding, mediates selective heterochromatin assembly and spreading.
    1. Chromosomes and Gene Expression

    A histone H3K9M mutation traps histone methyltransferase Clr4 to prevent heterochromatin spreading

    Chun-Min Shan et al.
    A lysine-to-methionine mutation in histone H3 dominantly blocks histone H3K9 methylation by trapping its methyltransferase.
    1. Chromosomes and Gene Expression

    YTH-RNA-binding protein prevents deleterious expression of meiotic proteins by tethering their mRNAs to nuclear foci

    Yuichi Shichino et al.
    A YTH-domain protein Mmi1 prevents deleterious expression of meiotic proteins by tethering their mRNAs to nuclear foci.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    The Chd1 chromatin remodeler shifts hexasomes unidirectionally

    Robert F Levendosky et al.
    Oriented hexasomes can be generated using the Widom 601 positioning sequence, which enables straightforward production of nucleosomes with asymmetrically modified H2A/H2B dimers.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Lamin B receptor is essential for cholesterol synthesis and perturbed by disease-causing mutations

    Pei-Ling Tsai et al.
    Lamin B receptor may provide a long-sought model system enabling unprecedented studies of protein quality control in the nuclear envelope of mammalian cells.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Herpesviral lytic gene functions render the viral genome susceptible to novel editing by CRISPR/Cas9

    Hyung Suk Oh et al.
    CRISPR genome editing technology can efficiently introduce mutations into lytic and latent HSV genomes to block lytic replication and reactivation of latent herpes simplex virus genome though differential mechanisms.

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