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    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Cell-cycle quiescence maintains Caenorhabditis elegans germline stem cells independent of GLP-1/Notch

    Hannah S Seidel, Judith Kimble
    C. elegans germline stem cells become quiescent under starved conditions, and this quiescence maintains the stem cell state even in the absence of GLP-1/Notch signaling, which is otherwise essential for stem cell maintenance.
    1. Genetics and Genomics

    A feedback loop between nonsense-mediated decay and the retrogene DUX4 in facioscapulohumeral muscular dystrophy

    Qing Feng, Lauren Snider ... Robert K Bradley
    Expression of the disease gene DUX4 inhibits RNA quality control in skeletal muscle, thereby stabilizing thousands of aberrant RNAs, including its own transcript.
    1. Cell Biology

    Intermediate Filaments: The sweet side of vimentin

    Natasha T Snider, Nam-On Ku, M Bishr Omary
    A protein modification called O-linked glycosylation regulates the interactions between vimentin molecules under normal conditions, and the ability of Chlamydia bacteria to replicate after they infect cells.
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    1. Computational and Systems Biology
    2. Genetics and Genomics

    Science Forum: Author-sourced capture of pathway knowledge in computable form using Biofactoid

    Jeffrey V Wong, Max Franz ... Chris Sander
    Biofactoid is a tool that enables researchers to capture information about molecular interactions in a form that is both human-readable and machine-computable, thereby allowing this information to be integrated into public knowledge-bases and to be widely disseminated.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Resolving stem and progenitor cells in the adult mouse incisor through gene co-expression analysis

    Kerstin Seidel, Pauline Marangoni ... Ophir D Klein
    Gene co-expression analysis identifies coherent transcriptional patterns driven by distinct cell types in the mouse incisor, and functional studies of candidate genes reveal how the tissues are maintained through stem cell-fueled renewal.
    1. Neuroscience

    The actin-modulating protein synaptopodin mediates long-term survival of dendritic spines

    Kenrick Yap, Alexander Drakew ... Thomas Deller
    Long-term imaging of dentate granule cells reveals that the presence of synaptopodin within large spines, rather than their size, conveys long-term stability to large spines.
    1. Cell Biology

    Site-specific phosphorylation and caspase cleavage of GFAP are new markers of Alexander disease severity

    Rachel A Battaglia, Adriana S Beltran ... Natasha T Snider
    GFAP protein carries a distinct post-translational modification signature that facilitates its pathogenic accumulation and aggregation in astrocytes of patients who succumb to Alexander Disease very early in life.
    1. Cell Biology

    An aging-independent replicative lifespan in a symmetrically dividing eukaryote

    Eric C Spivey, Stephen K Jones Jr ... Ilya J Finkelstein
    A high throughput, full lifespan microscopic analysis reveals that fission yeast does not age but has a finite replicative lifespan.
    1. Neuroscience

    Electrical and Ca2+ signaling in dendritic spines of substantia nigra dopaminergic neurons

    Travis A Hage, Yujie Sun, Zayd M Khaliq
    Dopaminergic cells uniquely receive input from a roughly equal mixture of synapses on dendritic spines and synapses formed directly on dendrites.
    1. Neuroscience

    Synaptic input sequence discrimination on behavioral timescales mediated by reaction-diffusion chemistry in dendrites

    Upinder Singh Bhalla
    The powerful computational operation of sequence recognition on behavioral timescales of approximately 1 s may emerge from synaptic activity-triggered build-up of biochemical waves in short 20 micron zones on dendrites.