1,445 results found
    1. Microbiology and Infectious Disease

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

    Christopher N Vassallo et al.
    Serial cell-to-cell transfer of lipoprotein toxins by outer membrane exchange provides a potent platform for kin discrimination in Myxococcus xanthus.
    1. Structural Biology and Molecular Biophysics

    Tarantula toxins use common surfaces for interacting with Kv and ASIC ion channels

    Kanchan Gupta et al.
    The tarantula toxins psalmotoxin and guangxitoxin have a similar concave surface for interacting with α-helices in voltage-gated and acid-sensing ion channels.
    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 et al.
    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. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Structure of a pore-blocking toxin in complex with a eukaryotic voltage-dependent K+ channel

    Anirban Banerjee et al.
    Charybdotoxin, a toxin produced by scorpions, blocks a K+ channel by binding in a lock-and-key fashion to the mouth of the channel and presenting a lysine amino group, which serves as a K+ mimic in the selectivity filter.
    1. Structural Biology and Molecular Biophysics

    Designed α-sheet peptides inhibit amyloid formation by targeting toxic oligomers

    Gene Hopping et al.
    Novel designed alpha-sheet peptides inhibit amyloidosis in two different systems and preferentially bind the toxic oligomer.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

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

    Sara Masachis et al.
    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. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Bordetella adenylate cyclase toxin is a unique ligand of the integrin complement receptor 3

    Radim Osicka et al.
    A toxin produced by the bacterium Bordetella pertussis preferentially binds to non-activated integrin complement receptor 3 outside of its ligand-binding I-domain and efficiently blocks downstream signaling of the integrin through elevation of cytosolic cAMP.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Fucosylation and protein glycosylation create functional receptors for cholera toxin

    Amberlyn M Wands et al.
    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. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Interferon-β-induced miR-1 alleviates toxic protein accumulation by controlling autophagy

    Camilla Nehammer et al.
    A microRNA prevents the accumulation of toxic proteins by inducing autophagy.

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