536 results found
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    IFI16, a nuclear innate immune DNA sensor, mediates epigenetic silencing of herpesvirus genomes by its association with H3K9 methyltransferases SUV39H1 and GLP

    Arunava Roy, Anandita Ghosh ... Bala Chandran
    The innate immune DNA sensor IFI16 is in association with H3K9 methyltransferases SUV39H1 and GLP under physiological conditions in the nucleus which facilitates the epigenetic silencing of foreign viral DNA.
    1. Biochemistry and Chemical Biology

    Lysine-14 acetylation of histone H3 in chromatin confers resistance to the deacetylase and demethylase activities of an epigenetic silencing complex

    Mingxuan Wu, Dawn Hayward ... Philip A Cole
    Biochemical approaches reveal that an epigenetic histone deacetylase complex called CoREST is slow to deacetylate histone H3 lysine-14 in nucleosomes, and this inhibits demethylation of histone H3 lysine-4 by the CoREST complex.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Aneuploidy as a cause of impaired chromatin silencing and mating-type specification in budding yeast

    Wahid A Mulla, Chris W Seidel ... Rong Li
    Genetic analyses reveal that purely quantitative changes in the relative copy number of chromosomes can be sufficient to disrupt the epigenetic mechanisms that define the cells' differentiated state.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Localized epigenetic silencing of a damage-activated WNT enhancer limits regeneration in mature Drosophila imaginal discs

    Robin E Harris, Linda Setiawan ... Iswar K Hariharan
    Localized silencing of damage-responsive enhancers can block regenerative growth while permitting those same genes to be used for normal development.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Damage-responsive, maturity-silenced enhancers regulate multiple genes that direct regeneration in Drosophila

    Robin E Harris, Michael J Stinchfield ... Iswar K Hariharan
    The reduced ability of Drosophila imaginal discs to regenerate as they mature can be explained by the silencing of damage-responsive enhancers that regulate expression of genes required for regeneration.
    1. Genetics and Genomics
    2. Plant Biology

    Epigenetic silencing of a multifunctional plant stress regulator

    Mark Zander, Björn C Willige ... Joseph R Ecker
    Interplay between histone demethylation and chromatin remodeling shapes the chromatin environment of the essential stress regulator ETHYLENE-INSENSITIVE2.
    1. Cancer Biology
    2. Stem Cells and Regenerative Medicine

    A long non-coding RNA targets microRNA miR-34a to regulate colon cancer stem cell asymmetric division

    Lihua Wang, Pengcheng Bu ... Xiling Shen
    A novel long non-coding RNA targets microRNA miR-34a for epigenetic silencing and initiates asymmetric division of colon cancer stem cells.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Geminivirus-encoded TrAP suppressor inhibits the histone methyltransferase SUVH4/KYP to counter host defense

    Claudia Castillo-González, Xiuying Liu ... Xiuren Zhang
    A viral protein hijacks the key effector of transcriptional gene silencing, Su(var)3-9, to evade host plant surveillance.
    1. Chromosomes and Gene Expression

    Spen links RNA-mediated endogenous retrovirus silencing and X chromosome inactivation

    Ava C Carter, Jin Xu ... Howard Y Chang
    A long noncoding RNA uses viral mimicry to achieve developmental gene silencing across a chromosome.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Natural variation in autumn expression is the major adaptive determinant distinguishing Arabidopsis FLC haplotypes

    Jo Hepworth, Rea L Antoniou-Kourounioti ... Caroline Dean
    Variation in autumnal expression from starting expression levels and initial cold-down-regulation, rather than epigenetic silencing, is the major field variable conferred by worldwide haplotypes of the floral repressor gene, FLC.

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