1,119 results found
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    FBXL19 recruits CDK-Mediator to CpG islands of developmental genes priming them for activation during lineage commitment

    Emilia Dimitrova et al.
    The ZF-CxxC protein FBXL19 recruits kinase-associated Mediator to CpG islands of silent developmental genes in embryonic stem cells, which primes these genes for activation during differentiation and is required for embryonic development.
    1. Microbiology and Infectious Disease

    RNA virus attenuation by codon pair deoptimisation is an artefact of increases in CpG/UpA dinucleotide frequencies

    Fiona Tulloch et al.
    Attenuating candidate live virus vaccines by incorporating unfavoured codon pairs to reduce translation efficiency is actually mediated though changes in frequencies of CpG and UpA dinucleotides, which make viruses more visible to the innate immune system.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    KDM2B links the Polycomb Repressive Complex 1 (PRC1) to recognition of CpG islands

    Anca M Farcas et al.
    A protein that can recognize regions of DNA with a high proportion of unmethylated CpG dinucleotides, and then recruit polycomb group proteins to these CpG islands, has been identified.
    1. Microbiology and Infectious Disease

    Elevation of CpG frequencies in influenza A genome attenuates pathogenicity but enhances host response to infection

    Eleanor Gaunt et al.
    Mutants of influenza A virus with increased CpG dinucleotide frequencies show restricted replication and reduced or absent pathogenicity, and powerful host innate and adaptive responses to infection that confer immunity to re-infection.
    1. Chromosomes and Gene Expression

    Synthetic CpG islands reveal DNA sequence determinants of chromatin structure

    Elisabeth Wachter et al.
    Genomic landmarks, known generically as ‘CpG islands’, program chromatin structure via their richness in the dinucleotide CG and their skewed composition of DNA bases.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    CpG and UpA dinucleotides in both coding and non-coding regions of echovirus 7 inhibit replication initiation post-entry

    Jelke Jan Fros et al.
    RNA virus replication is attenuated by an intrinsic restriction mechanism after introducing CpG/UpA dinucleotides into both non-translated and coding regions of viral genomes, which may be exploited in the design of attenuated virus vaccines.
    1. Chromosomes and Gene Expression

    A KRAS-directed transcriptional silencing pathway that mediates the CpG island methylator phenotype

    Ryan W Serra et al.
    A pathway directed by the KRAS oncoprotein leads to aberrant hypermethylation and transcriptional silencing of many genes including tumor suppressors, thereby promoting tumor development.
    1. Developmental Biology
    2. Genetics and Genomics

    Epigenetic age-predictor for mice based on three CpG sites

    Yang Han et al.
    Site-specific DNA methylation analysis at three CG dinucleotides by pyrosequencing provides a reliable measure for epigenetic aging of mice.
    1. Biochemistry and Chemical Biology

    Action of CMG with strand-specific DNA blocks supports an internal unwinding mode for the eukaryotic replicative helicase

    Lance Langston, Mike O’Donnell
    The CMG complex, the replicative helicase in eukaryotes, uses a different mechanism from bacterial and viral helicases by engaging both strands of parental DNA with substantial force and unwinding the duplex within the central channel of CMG.

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