2,624 results found
    1. Microbiology and Infectious Disease

    Infectious polymorphic toxins delivered by outer membrane exchange discriminate kin in myxobacteria

    Christopher N Vassallo, Pengbo Cao ... Daniel Wall
    Serial cell-to-cell transfer of lipoprotein toxins by outer membrane exchange provides a potent platform for kin discrimination in Myxococcus xanthus.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Abundant toxin-related genes in the genomes of beneficial symbionts from deep-sea hydrothermal vent mussels

    Lizbeth Sayavedra, Manuel Kleiner ... Jillian M Petersen
    Beneficial symbiotic bacteria encode an exceptional number of toxin-related genes that are all expressed by the symbionts in the host, supporting their key role in host-microbe interactions.
    1. Microbiology and Infectious Disease

    eDNA-stimulated cell dispersion from Caulobacter crescentus biofilms upon oxygen limitation is dependent on a toxin–antitoxin system

    Cecile Berne, Sébastien Zappa, Yves V Brun
    Genetic and microscopy analyses identify a programmed cell death mechanism that kills a cell subpopulation in a bacterial biofilm where oxygen is limiting, thereby promoting dispersion of newborn motile cells through the action of DNA released by dead cells.
    1. Neuroscience

    Theta-modulation drives the emergence of connectivity patterns underlying replay in a network model of place cells

    Panagiota Theodoni, Bernat Rovira ... Alex Roxin
    The learning rate for novel spatial environments in model networks of place cells is determined by the product of the window for plasticity and the auto-correlation of place-cell activity.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    A genetic selection reveals functional metastable structures embedded in a toxin-encoding mRNA

    Sara Masachis, Nicolas J Tourasse ... Fabien Darfeuille
    A genetic selection of toxicity suppressors coupled to high-throughput sequencing has captured metastable RNA structures that co-transcriptionally inhibit the translation of a bacterial toxin.
    1. Neuroscience

    Drosophila nicotinic acetylcholine receptor subunits and their native interactions with insecticidal peptide toxins

    Dagmara Korona, Benedict Dirnberger ... Kathryn S Lilley
    Blocking of the function of neurotransmitter receptors by insecticidal peptide toxins resulted in identification of nicotinic acetylcholine receptor subunits through native ligand-binding investigations.
    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. Ecology
    2. Microbiology and Infectious Disease

    Host-microbiome metabolism of a plant toxin in bees

    Erick VS Motta, Alejandra Gage ... Nancy Moran
    The bee gut microbiota contributes to the metabolism of the cyanogenic glycoside amygdalin.
    1. Structural Biology and Molecular Biophysics

    Structural insights into human acid-sensing ion channel 1a inhibition by snake toxin mambalgin1

    Demeng Sun, Sanling Liu ... Lei Liu
    Mambalgin1 binds to the thumb domain of human ASIC1a channel and inhibits the channel through hindering the proton-induced transitions from the resting closed state to the active and/or desensitized state.
    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.

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