92 results found
    1. Neuroscience

    Environmental enrichment enhances patterning and remodeling of synaptic nanoarchitecture as revealed by STED nanoscopy

    Waja Wegner, Heinz Steffens ... Katrin I Willig
    Two-color time-lapse superresolution imaging of the synaptic nanoorganization in vivo uncovers highly dynamic spine heads and PSD95 assemblies that are less variable in size but more dynamic in their PSD95 nanoorganization after environmental enrichment.
    1. Structural Biology and Molecular Biophysics

    rsEGFP2 enables fast RESOLFT nanoscopy of living cells

    Tim Grotjohann, Ilaria Testa ... Stefan Jakobs
    The discovery of a fluorescent protein that can be rapidly switched between long-lived ‘on’ and ‘off’ states will lead to a new generation of super-resolution imaging experiments on living cells.
    1. Structural Biology and Molecular Biophysics

    Imaging: Nanoscopy at low light intensities shows its potential

    Travis J Gould, Joerg Bewersdorf
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    1. Cell Biology

    Cardiac ryanodine receptor distribution is dynamic and changed by auxiliary proteins and post-translational modification

    Parisa Asghari, David RL Scriven ... Edwin DW Moore
    Repositioning the type II ryanodine receptors on the sarcoplasmic reticulum membrane is a potential new mechanism regulating their function, and therefore the strength of cardiac contraction.
    1. Cell Biology
    2. Neuroscience

    Intact synapse structure and function after combined knockout of PTPδ, PTPσ, and LAR

    Javier Emperador-Melero, Giovanni de Nola, Pascal S Kaeser
    Leukocyte common antigen-related receptor protein tyrosine phosphatases (LAR-RPTPs) are precisely localized to synaptic appositions, but do not control the assembly and function of the presynaptic nerve terminal.
    1. Cell Biology

    Actin assembly ruptures the nuclear envelope by prying the lamina away from nuclear pores and nuclear membranes in starfish oocytes

    Natalia Wesolowska, Ivan Avilov ... Peter Lenart
    Combined light and electron microscopy reveals a new function for Arp2/3-mediated actin assembly in nuclear envelope rupture, which leads to a separation of nuclear membranes and pores from the lamina.
    1. Neuroscience

    A serial multiplex immunogold labeling method for identifying peptidergic neurons in connectomes

    Réza Shahidi, Elizabeth A Williams ... Gáspár Jékely
    A new technique called ‘siGOLD’ allows neural circuits to be mapped using a combination of antibody labeling and electron microscopy.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    A CRISPR-based rapid DNA repositioning strategy and the early intranuclear life of HSV-1

    Juan Xiang, Chaoyang Fan ... Pei Xu
    An inducible two-component CRISPR-based platform that rapidly repositions HSV-1 genomes to the nuclear edge unveils intranuclear space heterogeneity for the incoming viral genomes and dynamic stages of the host-virus interplay during early infection.
    1. Cancer Biology
    2. Cell Biology

    Augmin prevents merotelic attachments by promoting proper arrangement of bridging and kinetochore fibers

    Valentina Štimac, Isabella Koprivec ... Iva M Tolić
    STED microscopy of human mitotic spindles reveals how augmin-nucleated microtubules protect the cell from erroneous kinetochore-microtubule attachments and ensure a highly organized architecture of the spindle required for mitotic fidelity.
    1. Structural Biology and Molecular Biophysics

    STIM1-dependent peripheral coupling governs the contractility of vascular smooth muscle cells

    Vivek Krishnan, Sher Ali ... Scott Earley
    STIM1 regulates the contractility of blood vessels and blood pressure by organizing membrane contact sites and ion channel activity in vascular smooth muscle cells in a manner that is independent of its canonical function in store-operated Ca2+entry.

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