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    1. Developmental Biology
    2. Neuroscience

    Cross-modality synthesis of EM time series and live fluorescence imaging

    Anthony Santella, Irina Kolotuev ... Zhirong Bao
    A landmark-based cross-modality alignment method robust to variation in landmark sets is applied to annotate an EM time series of Caenorhabditis elegans embryonic development as a community resource.
    1. Neuroscience

    General features of the retinal connectome determine the computation of motion anticipation

    Jamie Johnston, Leon Lagnado
    Feedforward inhibition generates motion anticipation by selectively decreasing sensitivity to a stimulus as it moves across the latter part of a retinal ganglion cell's receptive field.
    1. Neuroscience

    Extracellular space preservation aids the connectomic analysis of neural circuits

    Marta Pallotto, Paul V Watkins ... Kevin L Briggman
    Automated segmentation of neurons and identification of synapses in electron micrographs is significantly improved by using simple modifications to chemical fixation protocols that preserve extracellular space in the brain.
    1. Structural Biology and Molecular Biophysics

    A modular platform for automated cryo-FIB workflows

    Sven Klumpe, Herman KH Fung ... Julia Mahamid
    SerialFIB is an adaptable open-source software designed for streamlining, advanced development and automation of cryo-focused ion beam-based cellular preparations for in situ cryo-electron tomography.
    1. Cell Biology

    Actin-based protrusions of migrating neutrophils are intrinsically lamellar and facilitate direction changes

    Lillian K Fritz-Laylin, Megan Riel-Mehan ... R Dyche Mullins
    Neutrophil pseudopods are composed of multiple sheets that are inherently flat, protrude in three dimensions, and whose assembly correlates with cell turning.
    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.
    1. Structural Biology and Molecular Biophysics

    PIE-scope, integrated cryo-correlative light and FIB/SEM microscopy

    Sergey Gorelick, Genevieve Buckley ... Alex de Marco
    The PIE-scope resolves the limitations in correlative cryo-focused ion beam milling by adding robustness and ease of use to the workflow.
    1. Chromosomes and Gene Expression

    Transcription factor clusters regulate genes in eukaryotic cells

    Adam JM Wollman, Sviatlana Shashkova ... Mark C Leake
    Transcription factors form clusters independently of the presence of DNA, which regulate target genes as opposed to individual monomers, addressing a longstanding question of how transcription factors can find gene targets so quickly.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Control of the structural landscape and neuronal proteotoxicity of mutant Huntingtin by domains flanking the polyQ tract

    Koning Shen, Barbara Calamini ... Judith Frydman
    The polyQ tract of pathogenic Huntingtin causes aggregation when expanded in Huntington’s disease, but its two flanking domains control its conformational landscape, proteostasis and neurotoxicity.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Proteomic mapping of cytosol-facing outer mitochondrial and ER membranes in living human cells by proximity biotinylation

    Victoria Hung, Stephanie S Lam ... Alice Y Ting
    One minute biotinylation with APEX2 peroxidase in living cells identifies established and new components of mitochondrial and ER membranes; dataset intersection and overexpression screen identifies SYNJ2BP overexpression as inducing mitochondria-rough ER contacts.