1,185 results found
    1. Cell Biology

    Lysosome activity is modulated by multiple longevity pathways and is important for lifespan extension in C. elegans

    Yanan Sun et al.
    Cell biological and genetic studies reveal age-associated alterations of lysosomes and modulation of lysosomal activity by longevity pathways.
    1. Neuroscience

    High-fat diet enhances starvation-induced hyperactivity via sensitizing hunger-sensing neurons in Drosophila

    Rui Huang et al.
    Fruit flies fed with high-fats diets are hyper-sensitive to a hunger hormone AKH and exhibit enhanced food-seeking behavior when starved.
    1. Neuroscience

    Circuits that encode and guide alcohol-associated preference

    Kristin M Scaplen et al.
    Alcohol modifies dopaminergic microcircuits required for acquisition and expression of sensory memories in Drosophila resulting in a shift in behavioral response from malleable to inflexible.
  1. Blue and black pixels

    Episode 66: May 2020

    In this episode we hear about sparrows, cave-dwelling fish, COVID-19 in hospital staff, anti-fungal drugs and lack of insect diversity in soil.
    1. Neuroscience

    Complexity of frequency receptive fields predicts tonotopic variability across species

    Quentin Gaucher et al.
    The A1 of ferrets and mice show similar tonotopic organizations, with neurons preferring a single frequency being more precisely organized into a tonotopic map than multipeaked neurons.
    1. Developmental Biology
    2. Neuroscience

    Transverse sinus injections drive robust whole-brain expression of transgenes

    Ali S Hamodi et al.
    A new viral injection method targets the transverse sinuses to achieve robust whole-brain delivery of single or multiple genes in multiple mammalian species early in development.
    1. Developmental Biology
    2. Evolutionary Biology

    Evolutionary expansion of apical extracellular matrix is required for the elongation of cells in a novel structure

    Sarah Jacquelyn Smith et al.
    A new morphological structure evolved through extreme changes in cell height requires novel connections to an extracellular matrix network, which predates the origin of structure.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Retrocopying expands the functional repertoire of APOBEC3 antiviral proteins in primates

    Lei Yang et al.
    Genomes take advantage of the gene-duplicating ability of retroelements to birth novel innate immune defense genes.
    1. Cell Biology
    2. Developmental Biology

    Maternal spindle transfer overcomes embryo developmental arrest caused by ooplasmic defects in mice

    Nuno Costa-Borges et al.
    Maternal spindle transfer is a feasible approach to enhance embryonic developmental of compromised oocytes, which can represent a new strategy for patients with forms of infertility refractory to current treatments.
    1. Neuroscience

    MeCP2 in cholinergic interneurons of nucleus accumbens regulates fear learning

    Ying Zhang et al.
    Robust fear learning deficits and decreased tonic activity of NAc cholinergic interneurons caused by depletion of MeCP2 could be attributed to an elevation in α2-containing GABAA receptors.

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