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    1. Chromosomes and Gene Expression
    2. Neuroscience

    The splicing regulator PTBP2 controls a program of embryonic splicing required for neuronal maturation

    Qin Li, Sika Zheng ... Douglas L Black
    PTBP2 ensures that adult protein variants are expressed only in mature neurons through regulation of alternative splicing during early neuronal development.
    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. Neuroscience

    Acetylcholine is released in the basolateral amygdala in response to predictors of reward and enhances the learning of cue-reward contingency

    Richard B Crouse, Kristen Kim ... Marina R Picciotto
    The release of acetylcholine in the basolateral amygdala is precisely timed to salient events during reward learning but has long-lasting effects that potentiate learning of cue-reward contingencies.
    1. Neuroscience

    Ultrastructural analysis of adult mouse neocortex comparing aldehyde perfusion with cryo fixation

    Natalya Korogod, Carl CH Petersen, Graham W Knott
    Snap-freezing of brain tissue reveals its true structure-showing that cells are less squashed together, and the connections between neurons are less enclosed than previously thought.
    1. Genetics and Genomics
    2. Neuroscience

    Layer-specific chromatin accessibility landscapes reveal regulatory networks in adult mouse visual cortex

    Lucas T Gray, Zizhen Yao ... Bosiljka Tasic
    ATAC-seq, transcriptomics, and transcription factor motif searches collaborate to build a network that regulates gene expression in different cortical layers.
    1. Cell Biology

    Differential axonal trafficking of Neuropeptide Y-, LAMP1-, and RAB7-tagged organelles in vivo

    Joris P Nassal, Fiona H Murphy ... Matthijs Verhage
    In vivo live imaging reveals the trafficking dynamics of three cellular organelles in neocortical axons with single vesicle resolution and demonstrates activity-dependent changes.
    1. Cell Biology
    2. Neuroscience

    KIF2A regulates the development of dentate granule cells and postnatal hippocampal wiring

    Noriko Homma, Ruyun Zhou ... Nobutaka Hirokawa
    Postnatal KIF2A is a key regulator for axon/dendrite determination of developing dentate granule cells, and its loss developed apical axons in dentate molecular layer, broke hippocampal wiring, and induced temporal lobe epilepsy.
    1. Neuroscience

    Urocortin-3 neurons in the mouse perifornical area promote infant-directed neglect and aggression

    Anita E Autry, Zheng Wu ... Catherine Dulac
    Genetic and functional manipulations uncover urocortin-3-expressing neurons in the perifornical area of the hypothalamus as a dedicated circuit component for the expression of infant-directed neglect and aggression in mice.
    1. Medicine
    2. Neuroscience

    Virtual mouse brain histology from multi-contrast MRI via deep learning

    Zifei Liang, Choong H Lee ... Jiangyang Zhang
    Deep convolutional neural networks can generate virtual histology from magnetic resonance imaging (MRI) data to map cellular structures in the mouse brain with high specificity, which enables neurobiologists to use MRI to characterize neuropathology effectively.
    1. Neuroscience

    Endogenous Syngap1 alpha splice forms promote cognitive function and seizure protection

    Murat Kilinc, Vineet Arora ... Gavin Rumbaugh
    Alternatively spliced C-terminal protein sequences encoded by the Syngap1 gene exhibit unique biochemical and functional properties in vivo, which explain in part how individual isoforms can promote cognitive functions and seizure protection.