2,770 results found
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    A novel role for lipid droplets in the organismal antibacterial response

    Preetha Anand, Silvia Cermelli ... Steven P Gross
    Histones bound to lipid droplets inside cells offer protection against bacteria in flies, and possibly mice, thus suggesting a possible new innate immunity pathway.
    1. Biochemistry and Chemical Biology

    RecA filament sliding on DNA facilitates homology search

    Kaushik Ragunathan, Cheng Liu, Taekjip Ha
    A DNA–protein complex can find target sequences of bases in another DNA molecule by sliding along it.
    1. Structural Biology and Molecular Biophysics

    Modelling dynamics in protein crystal structures by ensemble refinement

    B Tom Burnley, Pavel V Afonine ... Piet Gros
    A combination of molecular dynamics simulations and X-ray diffraction data has been used to construct more realistic models of proteins and to provide new insights into their interactions with other proteins and biomolecules.
    1. Microbiology and Infectious Disease

    Population structuring of multi-copy, antigen-encoding genes in Plasmodium falciparum

    Yael Artzy-Randrup, Mary M Rorick ... Mercedes Pascual
    Mathematical modeling shows that local populations of the malaria parasite self-organize into a limited number of transient but distinct strains through competition for hosts in immunity space.
    1. Structural Biology and Molecular Biophysics

    Myosin motors fragment and compact membrane-bound actin filaments

    Sven K Vogel, Zdenek Petrasek ... Petra Schwille
    A combination of single-molecule imaging and an in vitro model of the cell cortex has allowed the interactions between actin filaments and filaments made of myosin II to be studied in detail.
    1. Microbiology and Infectious Disease

    Strong inter-population cooperation leads to partner intermixing in microbial communities

    Babak Momeni, Kristen A Brileya ... Wenying Shou
    Simulations and experiments on systems containing two different populations of microorganisms show that interactions that benefit at least one of the populations can lead to communities with stable compositions, and that strong cooperation between two populations can lead to communities in which both populations are mixed together.
    1. Neuroscience

    Changing the responses of cortical neurons from sub- to suprathreshold using single spikes in vivo

    Verena Pawlak, David S Greenberg ... Jason ND Kerr
    Changing the order in which presynaptic and postsynaptic cells are repeatedly activated can change what a mammalian visual cortex neuron communicates to downstream neurons.
    1. Neuroscience

    Hierarchical organization of context in the hippocampal episodic code

    Susumu Takahashi
    Neurons in the hippocampus modulate the rates at which they fire, and the locations in which they fire, so as to encode the information that is central to forming memories about personal experiences.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Influenza-virus membrane fusion by cooperative fold-back of stochastically induced hemagglutinin intermediates

    Tijana Ivanovic, Jason L Choi ... Stephen C Harrison
    Long-lived intermediate states formed by glycoprotein catalysts are an essential part of the process used by influenza virus particles to infect cells.
    1. Developmental Biology
    2. Neuroscience

    Mutual inhibition among postmitotic neurons regulates robustness of brain wiring in Drosophila

    Marion Langen, Marta Koch ... Bassem A Hassan
    The Notch signaling pathway has a central role in the development of the nervous system, and also in the establishment of networks of connections in the adult brain

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