84 results found
    1. Neuroscience

    Vascular control of the CO2/H+-dependent drive to breathe

    Colin M Cleary, Thiago S Moreira ... Daniel K Mulkey
    Understanding how loss of CO2/H+ vascular reactivity affects respiratory control may facilitate development of treatments for breathing problems in this population.
    1. Neuroscience

    Somatostatin-expressing parafacial neurons are CO2/H+ sensitive and regulate baseline breathing

    Colin M Cleary, Brenda M Milla ... Daniel K Mulkey
    Cellular and chemogenetic approaches identify a novel mode of chemotransduction involving regulation of basal breathing by CO2/H+-dependent disinhibition.
    1. Neuroscience

    Chemoreceptor co-expression in Drosophila melanogaster olfactory neurons

    Darya Task, Chun-Chieh Lin ... Christopher J Potter
    Olfactory neurons of insects, once thought to express only a single type of olfactory receptor, exhibit widespread co-expression of receptors from multiple chemosensory gene families.
    1. Neuroscience

    Purinergic regulation of vascular tone in the retrotrapezoid nucleus is specialized to support the drive to breathe

    Virginia E Hawkins, Ana C Takakura ... Daniel K Mulkey
    CO2/H+-dependent purinergic signaling by astrocytes provides specialized control of vascular tone in a brainstem respiratory center in a manner that contributes to respiratory behavior.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Structure of bacterial cytoplasmic chemoreceptor arrays and implications for chemotactic signaling

    Ariane Briegel, Mark S Ladinsky ... Grant J Jensen
    Bacterial cytoplasmic chemoreceptors assemble into a sandwich of two hexagonally packed arrays.
    1. Neuroscience
    2. Genetics and Genomics

    Regulatory changes in two chemoreceptor genes contribute to a Caenorhabditis elegans QTL for foraging behavior

    Joshua S Greene, May Dobosiewicz ... Cornelia I Bargmann
    A quantitative trait locus that includes two pheromone receptor genes affects foraging behavior; for one of the genes, the two alleles of the QTL have opposite effects because of distinct sites of expression.
    1. Physics of Living Systems

    Sperm chemotaxis is driven by the slope of the chemoattractant concentration field

    Héctor Vicente Ramírez-Gómez, Vilma Jimenez Sabinina ... Adán Guerrero
    The slope of the chemoattractant concentration gradient is a driving force for sperm chemotaxis, by coordinating the entrainment of information flow between sensing, signaling and motility.
    1. Neuroscience

    Disordered breathing in a mouse model of Dravet syndrome

    Fu-Shan Kuo, Colin M Cleary ... Daniel K Mulkey
    Expression of a Dravet syndrome-associated mutation in inhibitory neurons disrupts activity of brainstem respiratory neurons and diminishes respiratory behavior in conjunction with seizures and premature death.
    1. Neuroscience

    Phox2b mutation mediated by Atoh1 expression impaired respiratory rhythm and ventilatory responses to hypoxia and hypercapnia

    Caroline B Ferreira, Talita M Silva ... Thiago S Moreira
    New evidence for the impaired breathing activity is related to non-polyalanine repeat expansion mutations form of congenital central hypoventilation syndrome neuropathology.
    1. Neuroscience

    Diverse states and stimuli tune olfactory receptor expression levels to modulate food-seeking behavior

    Ian G McLachlan, Talya S Kramer ... Steven W Flavell
    Caenorhabditis elegans integrate sensory stimuli and internal state information to alter their expression of olfactory receptors, which impacts the sensorimotor responses of the animal.

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