387 results found
    1. Chromosomes and Gene Expression

    Tri-methylation of histone H3 lysine 4 facilitates gene expression in ageing cells

    Cristina Cruz, Monica Della Rosa ... Jonathan Houseley
    A widely studied chromatin modification associated with gene promoters is important for proper gene expression across organismal lifetime.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Hemi-methylated DNA regulates DNA methylation inheritance through allosteric activation of H3 ubiquitylation by UHRF1

    Joseph S Harrison, Evan M Cornett ... Scott B Rothbart
    Epigenetic modifications to DNA can regulate E3 ubiquitin ligase activity in human cells.
    1. Chromosomes and Gene Expression

    Independent manipulation of histone H3 modifications in individual nucleosomes reveals the contributions of sister histones to transcription

    Zhen Zhou, Yu-Ting Liu ... Jin-Qiu Zhou
    A yeast genetic model for studying the function of sister histones in chromatin dynamics.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Structural basis for PRC2 decoding of active histone methylation marks H3K36me2/3

    Ksenia Finogenova, Jacques Bonnet ... Jürg Müller
    Nucleosome binding by PRC2 threads H3K27 into its active site via an interaction network set in register by unmodified H3K36.
    1. Developmental Biology
    2. Genetics and Genomics

    Determining the effects of paternal obesity on sperm chromatin at histone H3 lysine 4 tri-methylation in relation to the placental transcriptome and cellular composition

    Anne-Sophie Pepin, Patrycja A Jazwiec ... Sarah Kimmins
    Epigenomic and transcriptomic analysis reveals that paternal obesity influences sperm histone H3 lysine 4 tri-methylation enrichment and placenta gene expression, which in turn negatively impact its development and function in a manner that may contribute to metabolic disease in offspring.
    1. Chromosomes and Gene Expression

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

    Chun-Min Shan, Jiyong Wang ... Songtao Jia
    A lysine-to-methionine mutation in histone H3 dominantly blocks histone H3K9 methylation by trapping its methyltransferase.
    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. Chromosomes and Gene Expression

    Histone H3G34R mutation causes replication stress, homologous recombination defects and genomic instability in S. pombe

    Rajesh K Yadav, Carolyn M Jablonowski ... Janet F Partridge
    Mutation of Glycine 34 to Arginine within the N-terminal tail of histone H3 alters post-translational modifications on Lysine 36 and is associated with a delay in replication restart, defective homologous recombination and an increase in genomic instability.
    1. Chromosomes and Gene Expression

    Oncometabolite D-2-Hydroxyglutarate enhances gene silencing through inhibition of specific H3K36 histone demethylases

    Ryan Janke, Anthony T Iavarone, Jasper Rine
    Mutations in budding yeast modeled after cancer-associated isocitrate dehydrogenase mutations lead to stabilization of heterochromatin and enhanced gene silencing through inhibition of specific histone demethylases by the oncometabolite D-2-hydroxyglutarate.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Sumoylation of the human histone H4 tail inhibits p300-mediated transcription by RNA polymerase II in cellular extracts

    Calvin Jon A Leonen, Miho Shimada ... Champak Chatterjee
    Chemically sumoylated histone H4 shows negative biochemical crosstalk with gene-activating histone acetylation and methylation marks, and directly inhibits RNA polymerase II-mediated gene transcription.

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