361 results found
    1. Genetics and Genomics
    2. Neuroscience

    An adipokine feedback regulating diurnal food intake rhythms in mice

    Anthony H Tsang et al.
    Adiponectin signaling integrates metabolic state information to regulate circadian clock function in hypothalamic appetite regulating centers, food intake rhythms, and body weight.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Distinct roles for S. cerevisiae H2A copies in recombination and repeat stability, with a role for H2A.1 threonine 126

    Nealia CM House et al.
    Despite differing by only one amino acid in the C-terminal tail, copy 1 of yeast histone 2A has a repair-specific role not shared by copy 2.
    1. Neuroscience

    Movement-related coupling of human subthalamic nucleus spikes to cortical gamma

    Petra Fischer et al.
    When coupling between STN spikes and cortical gamma oscillations was strong, subsequent movement was initiated earlier, independent of changes in mean firing rates, demonstrating the importance of relative spike timing.
    1. Cell Biology

    Polo-like kinase acts as a molecular timer that safeguards the asymmetric fate of spindle microtubule-organizing centers

    Laura Matellán et al.
    Molecular and cell biology analyses reveal novel roles of Polo-like kinases in establishing non-random segregation patterns of spindle-associated microtubule-organizing centers during mitosis, a phenomenon linked with replicative cell aging.
    1. Neuroscience

    Interactions between Dpr11 and DIP-γ control selection of amacrine neurons in Drosophila color vision circuits

    Kaushiki P Menon et al.
    The survival of Drosophila amacrine neurons is controlled by neurotrophic signaling mediated by interactions between the cell surface protein DIP-γ and its partner Dpr11, which is expressed on presynaptic photoreceptors.
    1. Neuroscience

    Primate prefrontal neurons signal economic risk derived from the statistics of recent reward experience

    Fabian Grabenhorst et al.
    Neurons in prefrontal cortex track the variance of experienced rewards to guide economic decisions.
    1. Neuroscience

    Apolipoprotein M-bound sphingosine-1-phosphate regulates blood–brain barrier paracellular permeability and transcytosis

    Mette Mathiesen Janiurek et al.
    Shortage of blood-borne apolipoprotein-M–bound sphingosine-1-phosphate, which accompanies various brain disorders, causes paracellular leak and increase in transcytosis at the blood–brain barrier, which can be reversed, thus is of clinical relevance.
    1. Cell Biology

    Stable Pom1 clusters form a glucose-modulated concentration gradient that regulates mitotic entry

    Corey A H Allard et al.
    Dynamic signaling protein clusters sample and map the cell surface to ensure that cells divide at the proper size.
    1. Cell Biology

    Cooperation between tropomyosin and α-actinin inhibits fimbrin association with actin filament networks in fission yeast

    Jenna R Christensen et al.
    The contractile ring actin binding proteins tropomyosin Cdc8 and a-actinin Ain1 synergize to effectively compete with the endocytic actin patch protein fimbrin Fim1 for associating with F-actin networks.
    1. Developmental Biology
    2. Evolutionary Biology

    Functional divergence of paralogous transcription factors supported the evolution of biomineralization in echinoderms

    Jian Ming Khor, Charles A Ettensohn
    A gene duplication event has permitted the functional specialization of a homeodomain transcription factor through changes in exon-intron organization and these changes have supported the evolution of a major, phylum-level morphological novelty.

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