5,816 results found
    1. Developmental Biology
    2. Evolutionary Biology

    Two consecutive microtubule-based epithelial seaming events mediate dorsal closure in the scuttle fly Megaselia abdita

    Juan Jose Fraire-Zamora et al.
    Evolutionary reduction in tissue number involves the simplification of the seaming process but not signaling during epithelial fusion.
    1. Neuroscience

    Neural activity in a hippocampus-like region of the teleost pallium is associated with active sensing and navigation

    Haleh Fotowat et al.
    Sparse firing in a hippocampus-like structure of the teleost telencephalon is linked to spatial navigation and active sensing.
    1. Structural Biology and Molecular Biophysics
    2. Biochemistry and Chemical Biology

    Structural mechanism of ligand activation in human calcium-sensing receptor

    Yong Geng et al.
    L-amino acids are agonists of calcium-sensing receptor, and act jointly with calcium and phosphate ions to control receptor function.
    1. Neuroscience

    Drosophila mushroom bodies integrate hunger and satiety signals to control innate food-seeking behavior

    Chang-Hui Tsao et al.
    Mushroom bodies are a hunger and satiety integrative center that controls food-seeking behavior in Drosophila..
    1. Ecology
    2. Evolutionary Biology

    Disentangling strictly self-serving mutations from win-win mutations in a mutualistic microbial community

    Samuel Frederick Mock Hart et al.
    Whereas partner-serving phenotype is intuitively quantified as benefit release rate, molecular genetics revealed an example where this thinking fails, motivating a more general metric.
    1. Computational and Systems Biology

    Ecological feedback in quorum-sensing microbial populations can induce heterogeneous production of autoinducers

    Matthias Bauer et al.
    Quorum sensing enables heterogeneous production of autoinducers in microbial populations, suggesting an alternative mechanism to stochastic gene expression in bistable gene-regulatory circuits to control phenotypic heterogeneity.
    1. Microbiology and Infectious Disease

    Quorum sensing controls Vibrio cholerae multicellular aggregate formation

    Matthew Jemielita et al.
    A quorum-sensing-controlled program of multicellularity, aggregation, is identified in Vibrio cholerae, which may be important for transitions between the marine niche and the human host.
    1. Neuroscience

    β11-12 linker isomerization governs acid-sensing ion channel desensitization and recovery

    Matthew L Rook et al.
    The rotation of the β11-12 linker is a crucial control point for acid-sensing ion channel gating and motion of this linker is required for the channel to desensitize.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Receptor-based mechanism of relative sensing and cell memory in mammalian signaling networks

    Eugenia Lyashenko et al.
    Preferential endocytosis of activated receptors allows cells to memorize their past and perform relative sensing.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The His-Gly motif of acid-sensing ion channels resides in a reentrant ‘loop’ implicated in gating and ion selectivity

    Nate Yoder, Eric Gouaux
    The amino terminus of acid-sensing ion channel 1a forms a reentrant 'loop' that frames the lower pore and harbors a conserved 'His-Gly' motif implicated in gating and ion selectivity mechanisms.

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