1,009 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Learning recurrent dynamics in spiking networks

    Christopher M Kim, Carson C Chow
    Modifying the recurrent connectivity of spiking networks provides sufficient flexibility to generate arbitrarily complex recurrent dynamics, suggesting that individual neurons in a recurrent network have the capability to support near universal dynamics.
    1. Biochemistry and Chemical Biology

    A non-linear system patterns Rab5 GTPase on the membrane

    Alice Cezanne et al.
    Both protein-protein and protein-lipid interactions are essential for Rab5 symmetry breaking at the early endosome.
    1. Cell Biology
    2. Physics of Living Systems

    Bridging the gap between single-cell migration and collective dynamics

    Florian Thüroff et al.
    A computational model, based on single-cell features like contractility and polarizability, quantitatively describes cellular dynamics from the single cell level up to small cohorts and confluent tissues.
    1. Cell Biology

    Reconstruction of Par-dependent polarity in apolar cells reveals a dynamic process of cortical polarization

    Kalyn Kono et al.
    Par-complex-dependent cell polarity can be cell-autonomously conferred to non-polar Drosophila S2 cells, unveiling temporal patterns toward the cortical localization of Par-complex aggregates that include a meshwork containing unit segments.
    1. Physics of Living Systems

    Sequence-dependent base pair stepping dynamics in XPD helicase unwinding

    Zhi Qi et al.
    The ability of an enzyme called XPD helicase to unwind the double helix is influenced by the DNA sequence and the availability of energy.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Population genomics of intrapatient HIV-1 evolution

    Fabio Zanini et al.
    Whole genome deep sequencing of many longitudinally sampled HIV-1 populations reveals that reversions towards ancestral HIV-1 genome sequences occur throughout the course of infection.
    1. Immunology and Inflammation

    Intravital quantification reveals dynamic calcium concentration changes across B cell differentiation stages

    Carolin Ulbricht et al.
    Heterogeneity in cytoplasmic calcium concentration alongside B cell activation and differentiation is measured intravitally using an interdisciplinary imaging approach and novel numerical analysis.
    1. Computational and Systems Biology
    2. Neuroscience

    Front-end Weber-Fechner gain control enhances the fidelity of combinatorial odor coding

    Nirag Kadakia, Thierry Emonet
    In multi-channel sensory systems, gain adaptation can help maintain not only coding capacity across changes in signal intensity, but also combinatorial representations of odor identity.
    1. Physics of Living Systems

    Surface-to-volume scaling and aspect ratio preservation in rod-shaped bacteria

    Nikola Ojkic et al.
    Rod-shaped bacteria preserve their aspect ratios and surface-to-volume scaling by maintaining a homeostatic balance between the rates of cell elongation and division protein synthesis.
    1. Evolutionary Biology

    Molecular function limits divergent protein evolution on planetary timescales

    Mariam M Konaté et al.
    Orthologous proteins that continuously maintain the same molecular function do not usually diverge beyond a certain level of sequence and structural similarity.

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