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    1. Cell Biology
    2. Neuroscience

    Activity regulates a cell type-specific mitochondrial phenotype in zebrafish lateral line hair cells

    Andrea McQuate, Sharmon Knecht, David W Raible
    The highly metabolically active hair cells of the zebrafish lateral line have a distinct mitochondrial phenotype consisting of small mitochondria apically and large, networked mitochondrion basally, demonstrating a nonuniform mitochondrial architecture that is sculpted by cellular activity.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Energetics of the microsporidian polar tube invasion machinery

    Ray Chang, Ari Davydov ... Manu Prakash
    Unraveling the ultrafast polar tube ejection in microsporidia reveals extreme cellular hydraulics, providing a data-driven model for infectious cargo transport, with implications for physical approaches to understanding microsporidia transmission.
    1. Plant Biology

    Phloem unloading in Arabidopsis roots is convective and regulated by the phloem-pole pericycle

    Timothy J Ross-Elliott, Kaare H Jensen ... Karl J Oparka
    A study of solute and macromolecule trafficking in plants reveals a previously undescribed route for carbon distribution in growing root tissues.
    1. Neuroscience

    Ultrastructural comparison of dendritic spine morphology preserved with cryo and chemical fixation

    Hiromi Tamada, Jerome Blanc ... Graham W Knott
    Cryo preservation of brain tissue reveals dendritic spines with thinner necks compared to those prepared with chemical fixation.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Mechanical force induces mitochondrial fission

    Sebastian Carsten Johannes Helle, Qian Feng ... Benoît Kornmann
    Mechanically stimulating mitochondria causes them to divide via the recruitment of the mitochondrial fission machinery to the mechanically strained site, showing that intracellular organelles can be mechanoresponsive.
    1. Cell Biology
    2. Neuroscience

    Enhanced FIB-SEM systems for large-volume 3D imaging

    C Shan Xu, Kenneth J Hayworth ... Harald F Hess
    Complete neuronal circuits can be reconstructed, and whole eukaryotic cells imaged, at less than 10 nm isotropic resolution.
    1. Cell Biology

    Crosshair, semi-automated targeting for electron microscopy with a motorised ultramicrotome

    Kimberly Meechan, Wei Guan ... Yannick Schwab
    A new method using a motorised ultramicrotome and open-source software allows semi-automatic targeting of regions of interest for electron microscopy.
    1. Neuroscience

    A platform for brain-wide imaging and reconstruction of individual neurons

    Michael N Economo, Nathan G Clack ... Jayaram Chandrashekar
    High-resolution fluorescence imaging of the complete mouse brain enables many neurons to be efficiently visualized in their entirety, revealing all targets of neurons that project widely across the brain.
    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

    A robust method for particulate detection of a genetic tag for 3D electron microscopy

    James Rae, Charles Ferguson ... Robert G Parton
    Development of a new system for gold particle detection of a genetic tag for electron microscopy.