282 results found
    1. Neuroscience

    Properties of multivesicular release from mouse rod photoreceptors support transmission of single-photon responses

    Cassandra L Hays, Asia L Sladek ... Wallace B Thoreson
    To improve the reliability of transmitting small single-photon voltage responses, rod photoreceptor cells release synaptic vesicles in regularly timed multivesicular events that are exquisitely sensitive to small voltage changes.
    1. Neuroscience

    Functional limb muscle innervation prior to cholinergic transmitter specification during early metamorphosis in Xenopus

    Francois M Lambert, Laura Cardoit ... Didier Le Ray
    Molecular labeling, electrophysiology and calcium imaging have revealed a novel switching of neurotransmitter at the frog neuromuscular junction where motoneurons transiently release glutamate before acetylcholine at synapses on developing hindlimb muscles at the onset of metamorphosis.
    1. Neuroscience

    Midbrain dopamine neurons sustain inhibitory transmission using plasma membrane uptake of GABA, not synthesis

    Nicolas X Tritsch, Won-Jong Oh ... Bernardo L Sabatini
    The molecular mechanisms by which midbrain dopamine neurons acquire the inhibitory neurotransmitter GABA for synaptic release are revealed.
    1. Neuroscience

    Excitation and inhibition onto central courtship neurons biases Drosophila mate choice

    Benjamin R Kallman, Heesoo Kim, Kristin Scott
    Pheromones activate excitatory and inhibitory pathways that are integrated to guide mating decisions in Drosophila melanogaster.
    1. Neuroscience

    Causal role for the subthalamic nucleus in interrupting behavior

    Kathryn H Fife, Navarre A Gutierrez-Reed ... Thomas S Hnasko
    Activation of the subthalamic nucleus (STN) pauses or disrupts behavior, while STN inhibition reduces the disruptive effects of surprise, indicating that STN activation is both sufficient and necessary for behavioral inhibition.
    1. Neuroscience

    Optical detection of three modes of endocytosis at hippocampal synapses

    Natali L Chanaday, Ege T Kavalali
    Single synaptic vesicle imaging shows that kinetically distinct endocytic pathways are differentially regulated by calcium and temperature, and influence the fidelity of synaptic vesicle protein retrieval.
    1. Neuroscience

    Vglut2-based glutamatergic signaling in central noradrenergic neurons is dispensable for normal breathing and chemosensory reflexes

    Yuan Chang, Savannah Lusk ... Russell S Ray
    Vglut2-based glutamatergic signaling in central noradrenergic neurons is dispensable for baseline breathing and hypercapnic, hypoxic chemosensory reflexes, which challenges the current understanding of central noradrenergic neurons in breathing control.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The dual role of chloride in synaptic vesicle glutamate transport

    Roger Chang, Jacob Eriksen, Robert H Edwards
    Whole endosome recording shows that chloride interacts with vesicular glutamate transporters as both allosteric activator and permeant ion, and although the mode of permeation differs, chloride and glutamate use a related conduction pathway.
    1. Neuroscience

    Astrocytes mediate two forms of spike timing-dependent depression at entorhinal cortex-hippocampal synapses

    Irene Martínez-Gallego, Heriberto Coatl-Cuaya, Antonio Rodriguez-Moreno
    Two different forms of brain plasticity require astrocytes and show different action mechanisms at enthorrinal cortex hippocampal synapses.
    1. Medicine

    Axonal T3 uptake and transport can trigger thyroid hormone signaling in the brain

    Federico Salas-Lucia, Csaba Fekete ... Antonio C Bianco
    T3 is taken up by axonal termini and is retrogradely transported into endosomal vesicles to the cell nucleus, where it regulates gene expression.

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