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    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. Genetics and Genomics

    Exploiting the mediating role of the metabolome to unravel transcript-to-phenotype associations

    Chiara Auwerx, Marie C Sadler ... Eleonora Porcu
    Integrating multi-omics quantitative trait loci and genome-wide association study data into a multivariable Mendelian randomization framework allows to identify metabolite-mediated transcript-to-phenotype causal relations missed by methods focusing on a single omics layer.
    1. Cell Biology
    2. Evolutionary Biology

    Chimeric origins of ochrophytes and haptophytes revealed through an ancient plastid proteome

    Richard G Dorrell, Gillian Gile ... Chris Bowler
    An in silico reconstruction of a chloroplast that existed hundreds of millions of years ago casts new insights in the evolutionary processes, endosymbioses and chimerism events that shape the origin of plastids.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Insight into the evolution of microbial metabolism from the deep-branching bacterium, Thermovibrio ammonificans

    Donato Giovannelli, Stefan M Sievert ... Costantino Vetriani
    The genome of Thermovibrio ammonificans encodes ancestral pathways (e.g., hydrogen oxidation) and more recently acquired ones (e.g., nitrate reduction) and a hybrid pathway for CO2 fixation.
    1. Immunology and Inflammation
    2. Neuroscience

    T cells modulate the microglial response to brain ischemia

    Corinne Benakis, Alba Simats ... Arthur Liesz
    Transcriptional signature and cell morphology of the stroke-associated microglia are reprogrammed by distinct T cell subpopulations.
    1. Developmental Biology

    Glycolytic flux-signaling controls mouse embryo mesoderm development

    Hidenobu Miyazawa, Marteinn T Snaebjornsson ... Alexander Aulehla
    The functional link between glycolytic flux, cell signalling and mesoderm patterning is investigated in mouse embryo.
    1. Physics of Living Systems

    Optical mapping of ground reaction force dynamics in freely behaving Drosophila melanogaster larvae

    Jonathan H Booth, Andrew T Meek ... Malte C Gather
    A new optical approach reveals dynamics of ground reaction forces in Drosophila larvae and opens new avenues for studying the biomechanics of movement in small animals.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    A compartmentalized signaling network mediates crossover control in meiosis

    Liangyu Zhang, Simone Köhler ... Abby F Dernburg
    A regulatory circuit that localizes to the synaptonemal complex, a liquid crystalline compartment between chromosomes, ensures crossing-over while limiting the number of crossovers between homologous chromosomes during meiosis.
    1. Neuroscience

    GABAergic synaptic scaling is triggered by changes in spiking activity rather than AMPA receptor activation

    Carlos Gonzalez-Islas, Zahraa Sabra ... Peter Wenner
    Chronic perturbations of spiking activity trigger compensatory changes in GABAergic synaptic strength, but not compensatory changes in AMPAergic synaptic strength.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Initial elevations in glutamate and dopamine neurotransmission decline with age, as does exploratory behavior, in LRRK2 G2019S knock-in mice

    Mattia Volta, Dayne A Beccano-Kelly ... Austen J Milnerwood
    LRRK2 G2019S knock-in mice are a genetically faithful model that recapitulates the slow disease progression of familial PD, with initial alterations to behaviour and neurotransmission providing early pathophysiological targets for neuroprotective interventions.