137 results found
    1. Epidemiology and Global Health
    2. Immunology and Inflammation

    A single, continuous metric to define tiered serum neutralization potency against HIV

    Peter Hraber et al.
    To quantify serum or antibody activity against HIV-1, logistic regression of single-dilution neutralization outcomes can efficiently summarize neutralization potency and indicate which samples may lack sufficient statistical support, for high-throughput screening in large-scale vaccine trials.
    1. Structural Biology and Molecular Biophysics

    Structural analyses at pseudo atomic resolution of Chikungunya virus and antibodies show mechanisms of neutralization

    Siyang Sun et al.
    Electron cryo-microscopy has been used to determine the structure of Chikungunya virus-like particles and to provide new insights into their interactions with four different antibodies.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Control of AMPA receptor activity by the extracellular loops of auxiliary proteins

    Irene Riva et al.
    Glutamate receptor auxiliary proteins exert their effects on receptor gating through two divergent extracellular loops, explaining subunit specificity and allowing the construction of null versions that form complexes normally but do not modify receptor gating.
    1. Immunology and Inflammation
    2. Physics of Living Systems

    Role of framework mutations and antibody flexibility in the evolution of broadly neutralizing antibodies

    Victor Ovchinnikov et al.
    Computer simulations of the evolution of broadly neutralizing antibodies against HIV suggest that non-traditional pathways involving framework mutations which lead initially to increased antibody flexibility do occur, but can be avoided by appropriate vaccine design.
    1. Neuroscience

    A zebrafish and mouse model for selective pruritus via direct activation of TRPA1

    Kali Esancy et al.
    A pain-relaying ion channel on a hypersensitive population of sensory neurons can instead elicit sensations of itch in both fish and mice when directly activated, providing a novel model of itch transduction.
    1. Cell Biology
    2. Developmental Biology

    HMMR acts in the PLK1-dependent spindle positioning pathway and supports neural development

    Marisa Connell et al.
    HMMR regulates spindle positioning in neural and other cell types downstream of PLK1 and subsequently affects cortical NuMA-Dynein localization.
    1. Cell Biology

    Heat stress promotes longevity in budding yeast by relaxing the confinement of age-promoting factors in the mother cell

    Sandro Baldi et al.
    To promote longevity under heat stress shares yeast aging factors with progeny through a down-regulation of the diffusion barrier in the membranes between the mitotic cells.
    1. Computational and Systems Biology
    2. Neuroscience

    Microsaccadic sampling of moving image information provides Drosophila hyperacute vision

    Mikko Juusola et al.
    New experiments and theory reveal how the ability to see image details depends upon photoreceptor function and eye movements, and how fruit flies (Drosophila) see spatial details beyond the optical limit of their compound eyes.
    1. Neuroscience

    Doc2B acts as a calcium sensor for vesicle priming requiring synaptotagmin-1, Munc13-2 and SNAREs

    Sébastien Houy et al.
    Doc2B functions in two distinct vesicle priming steps; membrane localization occludes upstream Ca2+-dependent priming, whereas Ca2+-binding and interaction with synaptotagmin-1, SNAREs, and Munc13-2 are involved in downstream priming, which makes vesicles readily releasable.
    1. Developmental Biology
    2. Plant Biology

    Cell type boundaries organize plant development

    Monica Pia Caggiano et al.
    Leaf position, shape and orientation are pre-patterned by cell type boundaries in the shoot meristem.

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