72 results found
    1. Genetics and Genomics

    PRD-2 directly regulates casein kinase I and counteracts nonsense-mediated decay in the Neurospora circadian clock

    Christina M Kelliher et al.
    Casein kinase I, a pivotal kinase in the circadian clock encoded by ck-1a, is positively regulated by a novel RNA-binding protein that protects ck-1a transcripts from nonsense-mediated decay.
    1. Chromosomes and Gene Expression

    Telomere repeats induce domains of H3K27 methylation in Neurospora

    Kirsty Jamieson et al.
    Vast regions of facultative heterochromatin marked by methylation of lysine 27 on histone H3 depend on their proximity to chromosome ends and can be induced ectopically by insertion of telomere repeats.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    ASH1-catalyzed H3K36 methylation drives gene repression and marks H3K27me2/3-competent chromatin

    Vincent T Bicocca et al.
    While SET-2 methylates histone H3K36 during transcription, ASH1 methylates this residue in repressed regions, is important for silencing, and can both positively and negatively influence methylation of histone H3K27.
    1. Genetics and Genomics

    Codon usage biases co-evolve with transcription termination machinery to suppress premature cleavage and polyadenylation

    Zhipeng Zhou et al.
    Genetic and bioinformatic analyses uncover an unexpected role for codon usage biases in regulating gene expression at the transcriptional level by suppressing premature transcription termination.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    A motogenic GABAergic system of mononuclear phagocytes facilitates dissemination of coccidian parasites

    Amol K Bhandage et al.
    Intracellular parasites hijack a conserved GABAergic system of immune cells to promote dissemination.
    1. Computational and Systems Biology
    2. Ecology

    Expanding xylose metabolism in yeast for plant cell wall conversion to biofuels

    Xin Li et al.
    Parallel pathways of xylose metabolism identified in fungi that grow on plants can be used in yeast to promote hemicellulose conversion to biofuels.
    1. Evolutionary Biology

    RNA chaperones buffer deleterious mutations in E. coli

    Marina Rudan et al.
    The overexpression of RNA chaperones, including several DEAD box RNA helicases, enhances the fitness of mutationally compromised E. coli strains.
    1. Biochemistry and Chemical Biology
    2. Evolutionary Biology

    Ancestral resurrection reveals evolutionary mechanisms of kinase plasticity

    Conor J Howard et al.
    Reconstructing ancestral enzymes has revealed that a switch in kinase substrate preference evolved via an expanded specificity intermediate that is tolerated in vivo, thus providing a path for kinase diversification.
    1. Cell Biology

    Optimized Vivid-derived Magnets photodimerizers for subcellular optogenetics in mammalian cells

    Lorena Benedetti et al.
    eMags is an engineered photodimerizer pair for optogenetic modulation in mammalian cells that is especially suited for the manipulation of intracellular processes occurring in small volumes or subcellular organelles.
    1. Microbiology and Infectious Disease
    2. Genetics and Genomics

    Dissection of the in vitro developmental program of Hammondia hammondi reveals a link between stress sensitivity and life cycle flexibility in Toxoplasma gondii

    Sarah L Sokol et al.
    A derived stress response trait may have contributed to the emergence of a globally dominant and promiscuous parasite.

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