295 results found
    1. Physics of Living Systems

    A mechanism for hunchback promoters to readout morphogenetic positional information in less than a minute

    Jonathan Desponds, Massimo Vergassola, Aleksandra M Walczak
    Maternal positional information in the fly embryo can be read rapidly in spite of the gene-expression bottleneck and general examples of regulatory architectures that combine speed and accuracy are provided.
    1. Structural Biology and Molecular Biophysics

    Mutational scanning reveals the determinants of protein insertion and association energetics in the plasma membrane

    Assaf Elazar, Jonathan Weinstein ... Sarel Jacob Fleishman
    Deep sequencing analysis quantifies the hydrophobicity of the plasma membrane and provides restraints for structure modeling of receptor homodimers to atomic precision.
    1. Evolutionary Biology
    2. Immunology and Inflammation

    Homology-guided identification of a conserved motif linking the antiviral functions of IFITM3 to its oligomeric state

    Kazi Rahman, Charles A Coomer ... Alex A Compton
    A disease-associated polymorphism in a related protein that regulates neurotransmitter release reveals that antiviral protein IFITM3 forms oligomers to rigidify membranes and inhibit virus fusion with cells.
    1. Cell Biology

    Bilateral regulation of EGFR activity and local PI(4,5)P2 dynamics in mammalian cells observed with superresolution microscopy

    Mitsuhiro Abe, Masataka Yanagawa ... Yasushi Sako
    The local PI(4,5)P2 nanodomain promotes the dimerization and activation of EGFR in the plasma membrane, whereas activated EGFR dissolves the nanodomain structure of PI(4,5)P2 through PLCγ.
    1. Microbiology and Infectious Disease

    The Acinetobacter baumannii Mla system and glycerophospholipid transport to the outer membrane

    Cassandra Kamischke, Junping Fan ... Samuel I Miller
    An Acinetobacter baumannii ABC transporter likely facilitates transport of glycerophospholipids from the inner to the outer membrane.
    1. Neuroscience

    Complexes of vertebrate TMC1/2 and CIB2/3 proteins form hair-cell mechanotransduction cation channels

    Arnaud PJ Giese, Wei-Hsiang Weng ... Zubair M Ahmed
    Complexes formed by calcium- and integrin-binding proteins 2 and 3 and transmembrane channel-like proteins 1 and 2 are essential for vertebrate hearing and balance and for fish lateral line function.
    1. Microbiology and Infectious Disease

    Coordination of peptidoglycan synthesis and outer membrane constriction during Escherichia coli cell division

    Andrew N Gray, Alexander JF Egan ... Waldemar Vollmer
    The protein CpoB regulates PBP1B activity in response to the Tol energy state, which facilitates feedback and synchronicity between envelope constriction processes during Gram-negative bacterial cell division.
    1. Chromosomes and Gene Expression
    2. Physics of Living Systems

    Chromosome organization by one-sided and two-sided loop extrusion

    Edward J Banigan, Aafke A van den Berg ... Leonid A Mirny
    Seemingly contradictory findings of single-molecule and in vivo experiments on a major mechanism of chromosome organization are reconciled by computationally investigating mechanisms of loop extrusion that are consistent with both.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Competitive binding of STATs to receptor phospho-Tyr motifs accounts for altered cytokine responses

    Stephan Wilmes, Polly-Anne Jeffrey ... Ignacio Moraga
    IL-27 exerts differential activation of STAT1 and STAT3 via IL-27Ra and GP130, respectively, leading to a kinetic decoupling of its gene expression program, which contributes to tune its immuno-modulatory activities.
    1. Chromosomes and Gene Expression

    What AlphaFold tells us about cohesin’s retention on and release from chromosomes

    Kim A Nasmyth, Byung-Gil Lee ... Jan Löwe
    Structural predictions using AlphaFold suggest a mechanism by which Wapl mediates cohesin's dissociation from chromatin, a process whose downregulation is essential for VDJ recombination and diverse protocadherin gene expression.

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