62 results found
    1. Cell Biology

    Botulinum toxin intoxication requires retrograde transport and membrane translocation at the ER in RenVM neurons

    Jeremy C Yeo, Felicia P Tay ... Frederic Bard
    BoNT intoxication of neurons is revisited using a genome-wide siRNA screen and organelle-specific reporters, suggesting a mechanism of translocation to the cytosol fundamentally different than previously proposed.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Fucosylation and protein glycosylation create functional receptors for cholera toxin

    Amberlyn M Wands, Akiko Fujita ... Jennifer J Kohler
    Cholera intoxication of human colonic epithelial cells is dependent on recognition of protein glycosylation and fucosylation, not exclusively on ganglioside recognition as proposed previously.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    An interbacterial DNA deaminase toxin directly mutagenizes surviving target populations

    Marcos H de Moraes, FoSheng Hsu ... Joseph D Mougous
    Interbacterial interactions can promote mutagenesis, and possibly adaptation, when intoxicated cells survive exposure to type VI secretion-delivered DNA deaminase toxins.
    1. Neuroscience

    Inhibition of striatonigral autophagy as a link between cannabinoid intoxication and impairment of motor coordination

    Cristina Blázquez, Andrea Ruiz-Calvo ... Manuel Guzmán
    Δ9-Tetrahydrocannabinol impairs motor coordination in mice by inhibiting autophagy in the striatonigral pathway, thus defining a new conceptual view of how cannabis acts in the brain.
    1. Cell Biology

    Spatial and temporal coordination of Duox/TrpA1/Dh31 and IMD pathways is required for the efficient elimination of pathogenic bacteria in the intestine of Drosophila larvae

    Fatima Tleiss, Martina Montanari ... C Leopold Kurz
    Bacterial location quantifications highlights how Drosophila melanogaster larvae discriminate bacteria to isolate and later eliminate pathogens in the anterior midgut through coordinated mechanisms involving reactive oxygen species (ROS) and antimicrobial peptides (AMPs).
    1. Neuroscience

    Circuits that encode and guide alcohol-associated preference

    Kristin M Scaplen, Mustafa Talay ... Karla R Kaun
    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. Microbiology and Infectious Disease

    Discovery of coordinately regulated pathways that provide innate protection against interbacterial antagonism

    See-Yeun Ting, Kaitlyn D LaCourse ... Joseph D Mougous
    Pseudomonas aeruginosa defends against interbacterial antagonism through the coordinated expression of previously uncharacterized pathways that grant threat-specific protection.
    1. Neuroscience

    Subthalamic, not striatal, activity correlates with basal ganglia downstream activity in normal and parkinsonian monkeys

    Marc Deffains, Liliya Iskhakova ... Hagai Bergman
    The spiking activity of the subthalamic nucleus, rather than the activity of striatal projection neurons, orchestrates basal ganglia downstream activity and output commands in health and Parkinson’s disease.
    1. Microbiology and Infectious Disease

    A broadly distributed toxin family mediates contact-dependent antagonism between gram-positive bacteria

    John C Whitney, S Brook Peterson ... Joseph D Mougous
    Diverse LXG toxins delivered by the Esx pathway function as mediators of contact-dependent interbacterial antagonism within and between Gram-positive bacterial species.
    1. Neuroscience

    Mushroom body output neurons encode valence and guide memory-based action selection in Drosophila

    Yoshinori Aso, Divya Sitaraman ... Gerald M Rubin
    Output neurons in the mushroom body of the fruit fly brain encode the positive or negative survival value of stimuli, enabling insects to choose adaptive approach and avoidance behaviors through associative learning.

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