151 results found
    1. Neuroscience

    MagC, magnetic collection of ultrathin sections for volumetric correlative light and electron microscopy

    Thomas Templier
    The augmentation of resin-embedded sample blocks with magnetic resin allows remote actuation of ultrathin sections and deposition at high packing density onto silicon wafers for correlative light and electron microscopy.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Multiplex image-based autophagy RNAi screening identifies SMCR8 as ULK1 kinase activity and gene expression regulator

    Jennifer Jung et al.
    An image-based multiplex autophagosome RNAi screen targeting all Rab GTPases as well as their GAPs and GEFs identifies the Rab GEF SMCR8 as multifaceted autophagy modulator, which regulates kinase activity and gene expression of ULK1.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    A novel region in the CaV2.1 α1 subunit C-terminus regulates fast synaptic vesicle fusion and vesicle docking at the mammalian presynaptic active zone

    Matthias Lübbert et al.
    A novel region in the CaV2.1 α1 subunit regulates coupling of synaptic vesicles to CaV2.1 calcium channels, synaptic vesicle release and docking, and the size of the fast and total releasable pools of synaptic vesicles.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Identification of cryptic subunits from an apicomplexan ATP synthase

    Diego Huet et al.
    A phylum-specific ATP synthase subunit is needed for proper mitochondrial function and stability of the complex in Toxoplasma gondii.
    1. Developmental Biology
    2. Neuroscience

    USP5/Leon deubiquitinase confines postsynaptic growth by maintaining ubiquitin homeostasis through Ubiquilin

    Chien-Hsiang Wang et al.
    Maintenance of ubiquitin homeostasis is essential for proper control of the size of postsynaptic density and the growth of specialized membrane structure.
    1. Cell Biology

    Sec24 phosphorylation regulates autophagosome abundance during nutrient deprivation

    Saralin Davis et al.
    Phosphorylation of a core trafficking component, the COPII coat subunit Sec24, regulates cross-talk between the secretory and autophagy machinery during starvation.
    1. Neuroscience

    Similar synapse elimination motifs at successive relays in the same efferent pathway during development in mice

    Shu-Hsien Sheu et al.
    A similar pattern of developmental synaptic refinement leads two consecutive synaptic relays to have the same organization suggesting that some general principle of neural organization is at play.
    1. Cell Biology
    2. Developmental Biology

    Proliferation-independent regulation of organ size by Fgf/Notch signaling

    Agnė Kozlovskaja-Gumbrienė et al.
    Cell adhesion regulates organ size in the zebrafish lateral line system.
    1. Neuroscience

    Imaging neuropeptide release at synapses with a genetically engineered reporter

    Keke Ding et al.
    A series of genetically-encoded fluorescent reporters that allow imaging of neuropeptide release in vivo, with sub-second temporal and nerve terminal-level spatial resolution are developed.
    1. Cell Biology
    2. Plant Biology

    Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants

    Madhumitha Narasimhan et al.
    The examination of the ultra-structure and in vivo dynamics of endocytosis in plants reveal plants unique actin-independent, clathrin-mediated endocytosis mechanisms to overcome their unique physiological properties.

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