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    1. Neuroscience

    A bidirectional network for appetite control in larval zebrafish

    Caroline Lei Wee et al.
    Brain imaging and behavioral analysis reveal two opposing states of hunger, represented by anti-correlated lateral and caudal hypothalamic dynamics that are important for the homeostatic control of feeding in zebrafish.
    1. Neuroscience

    Inhibition stabilization is a widespread property of cortical networks

    Alessandro Sanzeni et al.
    The strongly coupled theoretical regime describes the function of mouse sensory and motor cortical areas.
    1. Genetics and Genomics

    Ancient mechanisms for the evolution of the bicoid homeodomain's function in fly development

    Qinwen Liu et al.
    Transgenic animals carrying reconstructed ancestral alleles reveal how two ancient mutations allowed a regulatory protein to evolve a controlling role in embryonic development in flies.
    1. Neuroscience

    The actin-modulating protein synaptopodin mediates long-term survival of dendritic spines

    Kenrick Yap et al.
    Long-term imaging of dentate granule cells reveals that the presence of synaptopodin within large spines, rather than their size, conveys long-term stability to large spines.
    1. Neuroscience

    Whole brain delivery of an instability-prone Mecp2 transgene improves behavioral and molecular pathological defects in mouse models of Rett syndrome

    Mirko Luoni et al.
    Global brain transduction of the instability-prone Mecp2 transgene by systemic AAV-PHP.eB administration is safe and effective in protecting male and female Mecp2 mutant mice from the Rett syndrome disease phenotype.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Epigenetic drift of H3K27me3 in aging links glycolysis to healthy longevity in Drosophila

    Zaijun Ma et al.
    Epigenetic drift of H3K27me3 is one of the molecular mechanisms that contribute to aging, and stimulation of glycolysis promotes metabolic health and longevity.
    1. Cell Biology

    Limitation of adipose tissue by the number of embryonic progenitor cells

    Kristina Hedbacker et al.
    The size of subcutaneous, but not visceral, fat depots is dependent on the number of embryonic adipocyte progenitors.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Chemoptogenetic ablation of neuronal mitochondria in vivo with spatiotemporal precision and controllable severity

    Wenting Xie et al.
    Novel transgenic zebrafish lines allow selective ablation of neuronal mitochondria by far red light, providing a powerful tool for investigating mitochondrial homeostasis in neurons and mitochondrial mechanisms in neurological disease.
    1. Neuroscience

    The functional organization of descending sensory-motor pathways in Drosophila

    Shigehiro Namiki et al.
    Systematic analysis of descending neuron anatomy reveals the basic functional map of descending sensory-motor pathways in flies and provides genetic tools for targeted interrogation of neural circuits.
    1. Microbiology and Infectious Disease

    Rhabdo-immunodeficiency virus, a murine model of acute HIV-1 infection

    Rachel A Liberatore et al.
    A new animal model permits the in vivo study of HIV-1 entry, as well as the elicitation and antiviral activity of antibodies, in a genetically manipulatable host.