1,104 results found
    1. Structural Biology and Molecular Biophysics

    Tonic inhibition of the chloride/proton antiporter ClC-7 by PI(3,5)P2 is crucial for lysosomal pH maintenance

    Xavier Leray, Jacob K Hilton ... Joseph A Mindell
    Inhibiyiton of the lysosomal chloride-proton antiporter ClC-7 by the signaling lipid PI(3,5)P2 is important for lysosomal pH maintenance and is disrupted by a disease-causing gain-of-function mutation.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Dissecting the sharp response of a canonical developmental enhancer reveals multiple sources of cooperativity

    Jeehae Park, Javier Estrada ... Angela H DePace
    The sharp expression pattern driven by a classic, simple animal enhancer is determined by multiple molecular mechanisms, not only cooperative binding of the activating transcription factor as was previously thought.
    1. Cell Biology
    2. Developmental Biology

    Apical targeting of the formin Diaphanous in Drosophila tubular epithelia

    Tal Rousso, Annette M Shewan ... Ben-Zion Shilo
    Synergistic interactions with PI(4,5)P2 and activated Rho1, which are enriched at the apical membrane of tubular organs, facilitate tight apical targeting of the formin Diaphanous.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Opposing roles of nuclear receptor HNF4α isoforms in colitis and colitis-associated colon cancer

    Karthikeyani Chellappa, Poonamjot Deol ... Frances M Sladek
    Proper gut health depends on the balance between two naturally occurring variants of a transcription factor in the colon.
    1. Cell Biology
    2. Developmental Biology

    Hypoxia controls plasma membrane targeting of polarity proteins by dynamic turnover of PI4P and PI(4,5)P2

    Juan Lu, Wei Dong ... Yang Hong
    When challenged by energetic stresses triggered by hypoxia and ATP inhibition, plasma membrane PI4P and PIP2 in cells undergo dramatic turnovers that have profound impact on many cellular processes including electrostatic PM targeting of numerous polybasic proteins.
    1. Chromosomes and Gene Expression
    2. Developmental Biology

    Synthetic reconstruction of the hunchback promoter specifies the role of Bicoid, Zelda and Hunchback in the dynamics of its transcription

    Gonçalo Fernandes, Huy Tran ... Nathalie Dostatni
    The hunchback transcription features are compatible with an equilibrium model with a short decay length Bicoid activity gradient as the sole source of positional information, while Zelda and Hunchback speed-up the process by different means.
    1. Cell Biology
    2. Genetics and Genomics

    The ribosomal P-stalk couples amino acid starvation to GCN2 activation in mammalian cells

    Heather P Harding, Adriana Ordonez ... David Ron
    Genetic lesions that compromise the ribosome P-stalk implicate direct signalling from the ribosome to the translation initiation factor eIF2 kinase GCN2 in the cellular response to amino acid starvation.
    1. Biochemistry and Chemical Biology

    Allosteric mechanism of the V. vulnificus adenine riboswitch resolved by four-dimensional chemical mapping

    Siqi Tian, Wipapat Kladwang, Rhiju Das
    A new biochemical method tests whether or not the pre-existing RNA structural correlations couple small molecule binding to gene expression in a paradigmatic riboswitch.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    voyAGEr, a free web interface for the analysis of age-related gene expression alterations in human tissues

    Arthur L Schneider, Rita Martins-Silva ... Nuno L Barbosa-Morais
    voyAGEr is an online platform that facilitates the exploration of age-related gene expression dynamics in human tissues, allowing users to analyse tissue- and sex-specific changes alongside donor medical histories.
    1. Structural Biology and Molecular Biophysics

    TRPML1 gating modulation by allosteric mutations and lipids

    Ninghai Gan, Yan Han ... Youxing Jiang
    Design and characterization of allosteric mutations that recapitulate TRPML1 gating and structural insights into PI(4,5)P2 and sphingomyelin inhibition of TRPML1.

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