442 results found
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Resource plasticity-driven carbon-nitrogen budgeting enables specialization and division of labor in a clonal community

    Sriram Varahan et al.
    Sufficient aspartate drives specialization within a microbial colony, when some cells use it to create a limited carbon-resource, while other cells consume this resource and use aspartate for nucleotide synthesis.
    1. Structural Biology and Molecular Biophysics

    Kinetic mechanism of coupled binding in sodium-aspartate symporter GltPh

    SeCheol Oh, Olga Boudker
    Sodium ions control the rates of both substrate binding and dissociation of an archaeal homologue of glutamate transporters in a manner that minimizes binding intermediates and maximizes transport efficiency.
    1. Structural Biology and Molecular Biophysics

    Binding and transport of D-aspartate by the glutamate transporter homolog GltTk

    Valentina Arkhipova et al.
    Glutamate transporter homologs can efficiently bind and transport both L- and D- enantiomeric substrates with only slight rearrangements in the binding site.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The conserved aspartate ring of MCU mediates MICU1 binding and regulation in the mitochondrial calcium uniporter complex

    Charles B Phillips et al.
    Biochemical analysis reveals molecular mechanisms underlying the activation of the mitochondrial Ca2+ uniporter by intracellular Ca2+ signals.
    1. Structural Biology and Molecular Biophysics
    2. Computational and Systems Biology

    Substrate transport and anion permeation proceed through distinct pathways in glutamate transporters

    Mary Hongying Cheng et al.
    Novel evidence on the molecular determinants of the dual function, anion permeation and substrate transport, of excitatory amino acid transporters opens avenues toward illuminating how these transporters regulate synaptic function and contribute to neurological conditions.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    An NMDAR positive and negative allosteric modulator series share a binding site and are interconverted by methyl groups

    Riley Perszyk et al.
    A series of novel compounds selective for N-methyl-D-aspartate-type glutamate receptor includes positive and negative allosteric modulators that act at the same site, show use-dependence, increase agonist potency, and have differential activity based on the agonist concentration.
    1. Microbiology and Infectious Disease

    Evolution: ANP32B, or not to be, that is the question for influenza virus

    Steven F Baker, Andrew Mehle
    The evolutionary history of ANP32 proteins impacts how the influenza virus jumps from birds to mammals.
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    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Ion Channels: A novel origin for calcium selectivity

    Esteban Suárez-Delgado, León D Islas
    A native calcium ion channel has been identified in bacteria for the first time.
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    1. Biochemistry and Chemical Biology

    Post-translational Modifications: Reversing ADP-ribosylation

    Giuliana Katharina Moeller, Gyula Timinszky
    Interactions between serines and molecules of ADP-ribose play an important role in signaling that the DNA in a cell has been damaged and needs to be repaired.
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    1. Cell Biology
    2. Neuroscience

    Neuropharmacology: How ketamine helps to overcome depression

    Thu N Huynh, Eric Klann
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