80 results found
    1. Neuroscience

    A dual role for Cav1.4 Ca2+ channels in the molecular and structural organization of the rod photoreceptor synapse

    J Wesley Maddox, Kate L Randall ... Amy Lee
    Ca2+ influx through Cav1.4 channels is required for the structural, but not the molecular organization of the rod photoreceptor synapse.
    1. Plant Biology

    A multifaceted analysis reveals two distinct phases of chloroplast biogenesis during de-etiolation in Arabidopsis

    Rosa Pipitone, Simona Eicke ... Emilie Demarsy
    Serial-Block-Face Scanning Electron Microscopy (SBF-SEM) associated with biomolecular analysis show that chloroplast differentiation proceeds by distinct ‘structure establishment’ and ‘chloroplast proliferation’ phases, each with differential protein and lipid regulation.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    High-quality ultrastructural preservation using cryofixation for 3D electron microscopy of genetically labeled tissues

    Tin Ki Tsang, Eric A Bushong ... Mark H Ellisman
    A broadly applicable method that faithfully preserves genetically labeled cellular structures for 3D electron microscopy (EM) and correlated light and electron microscopy (CLEM).
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Formation and three-dimensional architecture of Leishmania adhesion in the sand fly vector

    Ryuji Yanase, Flávia Moreira-Leite ... Jack D Sunter
    Using advanced volume electron microscopy, the ultrastructural and spatial organisation of Leishmania parasites strongly adhered to the gut of its sand fly vector was defined.
    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. Developmental Biology

    Three-dimensional reconstruction of a whole insect reveals its phloem sap-sucking mechanism at nano-resolution

    Xin-Qiu Wang, Jian-sheng Guo ... Chuan-Xi Zhang
    3D reconstruction for an insect provides new internal structures at nanometer resolution, and the reconstructed feeding insect reveals unexpected contraction of stylet protractors and suggested a novel phloem sap-sucking model.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Defining the ultrastructure of the hematopoietic stem cell niche by correlative light and electron microscopy

    Sobhika Agarwala, Keun-Young Kim ... Owen J Tamplin
    Multiple imaging modalities resolved the ultrastructure of single hematopoietic stem cells in their endogenous niche, allowing identification of dopamine beta-hydroxylase positive cells as a functional niche cell type.
    1. Neuroscience

    Permeabilization-free en bloc immunohistochemistry for correlative microscopy

    Kara A Fulton, Kevin L Briggman
    Immunohistochemical labeling of antigens deep within mouse brain tissue sections was achieved without the need for lipid permeabilization, thereby preserving tissue ultrastructure and enabling correlative light and electron microscopy studies.
    1. Developmental Biology
    2. Neuroscience

    A new look at the architecture and dynamics of the Hydra nerve net

    Athina Keramidioti, Sandra Schneid ... Charles N David
    A novel pan-neuronal antibody has revealed the organization of the nerve net controlling all behavior in the simple cnidarian Hydra.
    1. Neuroscience

    Ultrastructural effects of sleep and wake on the parallel fiber synapses of the cerebellum

    Sophia S Loschky, Giovanna Maria Spano ... Chiara Cirelli
    In the mouse cerebellum, the number of branched synapses is reduced in half after sleep compared to after wake.

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