295 results found
    1. Neuroscience

    Spatiotemporal organisation of human sensorimotor beta burst activity

    Catharina Zich, Andrew J Quinn ... Sven Bestmann
    Burst activity can be described in all three signal domains and sensorimotor beta burst activity propagates along two axes either parallel or perpendicular to the central sulcus.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The role of Cdc42 and Gic1 in the regulation of septin filament formation and dissociation

    Yashar Sadian, Christos Gatsogiannis ... Stefan Raunser
    Imaging with electron microscopy and cryo-electron tomography reveals that competition between Cdc42 and Gic1 for the same subunit within septins controls the formation and breakdown of septin filaments.
    1. Developmental Biology

    Wnt11 acts on dermomyotome cells to guide epaxial myotome morphogenesis

    Ann Kathrin Heilig, Ryohei Nakamura ... Toru Kawanishi
    A medaka mutant revealed that Wnt11 promotes formation of uniquely large protrusions from non-myogenic dorsal dermomyotome cells, which guide the epaxial myotome dorsally to achieve the coverage of the neural tube.
    1. Biochemistry and Chemical Biology

    Membranes linked by trans-SNARE complexes require lipids prone to non-bilayer structure for progression to fusion

    Michael Zick, Christopher Stroupe ... William T Wickner
    Lipids with a propensity to form nonbilayer structures must be present for the last step of membrane fusion to take place.
    1. Chromosomes and Gene Expression

    Bidirectional regulation of postmitotic H3K27me3 distributions underlie cerebellar granule neuron maturation dynamics

    Vijyendra Ramesh, Fang Liu ... Anne E West
    Bidirectional regulation of the chromatin modification H3K27me3 orchestrates programs of gene expression that underlie postmitotic stages of neuronal maturation.
    1. Cell Biology

    The mammalian lectin galectin-8 induces RANKL expression, osteoclastogenesis, and bone mass reduction in mice

    Yaron Vinik, Hadas Shatz-Azoulay ... Yehiel Zick
    The secreted sugar-binding protein galectin-8 causes osteoblasts to secrete factors that promote the differentiation of bone marrow cells into osteoclasts; targeting this protein could therefore potentially help treat diseases associated with excessive bone loss.
    1. Cell Biology

    Cdc6 is sequentially regulated by PP2A-Cdc55, Cdc14, and Sic1 for origin licensing in S. cerevisiae

    Jasmin Philip, Mihkel Örd ... Amy E Ikui
    Pre-RC component Cdc6 is primed for origin licensing by phosphatases and Cdk1 inhibitor.
    1. Biochemistry and Chemical Biology

    A distinct tethering step is vital for vacuole membrane fusion

    Michael Zick, William T Wickner
    Rigorous assays of membrane fusion show that a distinct tethering step is required for lumenal compartment mixing in a manner that extends beyond simply increasing the amount of total trans-SNARE complex.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Sec17 (α-SNAP) and an SM-tethering complex regulate the outcome of SNARE zippering in vitro and in vivo

    Matthew L Schwartz, Daniel P Nickerson ... Alexey J Merz
    Sec17 is shown to have divergent effects on pre-fusion SNARE complex activity, depending on the state of SNARE zippering and HOPS, an SM-tether complex, controls the outcome of Sec17-SNARE engagement.

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