271 results found
    1. Structural Biology and Molecular Biophysics

    Direct single molecule measurement of TCR triggering by agonist pMHC in living primary T cells

    Geoff P O'Donoghue et al.
    Quantitative observations of single-molecule binding between antigen and T cell receptor (TCR) in living primary T cells reveals unbinding kinetics, stoichiometry and signaling molecule recruitment, providing insights into the mechanisms of antigen recognition by the immune system.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Nanoscale protein architecture of the kidney glomerular basement membrane

    Hani Suleiman et al.
    High-resolution optical microscopy is used to reveal the organization of extracellular matrix proteins within the basement membrane of the blood filtration barrier in the kidney at the nanometer scale.
    1. Developmental Biology

    Developmental lineage priming in Dictyostelium by heterogeneous Ras activation

    Alex Chattwood et al.
    The probability of a cellular response to a differentiation inducing signal is correlated with the dynamic expression of a Ras protein, and produces a ‘salt and pepper’ pattern of cell differentiation.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Multiple knockout mouse models reveal lincRNAs are required for life and brain development

    Martin Sauvageau et al.
    Long intergenic noncoding RNA molecules (lincRNAs) are shown to have critical roles in mammalian development and physiology in vivo.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    The splicing regulator PTBP2 controls a program of embryonic splicing required for neuronal maturation

    Qin Li et al.
    PTBP2 ensures that adult protein variants are expressed only in mature neurons through regulation of alternative splicing during early neuronal development.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Integrating influenza antigenic dynamics with molecular evolution

    Trevor Bedford et al.
    Combined antigenic and genetic analysis shows that different strains of the human influenza virus display dramatically different rates of antigenic drift, and that these differences have a significant impact on the number of new infections in each flu season.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    A model symbiosis reveals a role for sheathed-flagellum rotation in the release of immunogenic lipopolysaccharide

    Caitlin A Brennan et al.
    Both beneficial and pathogenic bacteria can use their sheathed flagella during host colonization as a novel toxin-/signal-delivery mechanism.
    1. Cell Biology

    Cortical regulation of cell size by a sizer cdr2p

    Kally Z Pan et al.
    It is shown that fission yeast cells sense their size by measuring their surface area through a membrane-associated sizer protein cdr2p.
    1. Cell Biology
    2. Immunology and Inflammation

    Immunosuppression via adenosine receptor activation by adenosine monophosphate released from apoptotic cells

    Hiroshi Yamaguchi et al.
    Apoptotic cells release molecules to recruit macrophages, but do not cause inflammation because they also secrete AMP that functions as a ‘calm down’ signal.

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