5,020 results found
    1. Microbiology and Infectious Disease

    Host-derived Lactobacillus plantarum alleviates hyperuricemia by improving gut microbial community and hydrolase-mediated degradation of purine nucleosides

    Yang Fu, Xiao-Dan Luo ... Wence Wang
    Lactobacillus plantarum regulates host uric acid metabolism via its own nucleoside hydrolase iunH.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Purine nucleosides replace cAMP in allosteric regulation of PKA in trypanosomatid pathogens

    Veronica Teresa Ober, George Boniface Githure ... Michael Boshart
    A minimal subset of two to three residues in cyclic nucleotide binding (CNB) domains controls nucleoside vs. cyclic nucleotide specificity, repurposing PKA of certain pathogens for novel nucleoside signaling pathways or sensing.
    1. Biochemistry and Chemical Biology

    Targeting oncogenic KRasG13C with nucleotide-based covalent inhibitors

    Lisa Goebel, Tonia Kirschner ... Daniel Rauh
    The important oncogene KRasG13C can be targeted by covalently binding nucleotide-analogues, resulting in a locked protein that can no longer induce oncogenic signaling.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis of nucleoside and nucleoside drug selectivity by concentrative nucleoside transporters

    Zachary Lee Johnson, Jun-Ho Lee ... Seok-Yong Lee
    Studies of the substrate selectivity of concentrative nucleoside transporters provide proof of principle for structure-based improvement of drug delivery by these transporters.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Cryo-EM structures of remodeler-nucleosome intermediates suggest allosteric control through the nucleosome

    Jean Paul Armache, Nathan Gamarra ... Yifan Cheng
    Cryo-EM structures capture different conformational states of chromatin remodeler-nucleosome complexes.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    A computational approach to map nucleosome positions and alternative chromatin states with base pair resolution

    Xu Zhou, Alexander W Blocker ... Erin K O'Shea
    Computational analysis of MNase-seq data reveals that alternatively positioned nucleosomes are prevalent in both yeast and human cells and create significant heterogeneity within cell populations.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Nucleosome conformation dictates the histone code

    Matthew R Marunde, Harrison A Fuchs ... Catherine A Musselman
    NMR spectroscopy, dCypher assays, and CUT&RUN demonstrate that occlusion of the histone tails in the nucleosome context alters histone PTM specificity for a tandem of reader domains.
    1. Chromosomes and Gene Expression

    The nucleosome DNA entry-exit site is important for transcription termination and prevention of pervasive transcription

    A Elizabeth Hildreth, Mitchell A Ellison ... Karen M Arndt
    Disruption of the nucleosome DNA entry-exit site causes readthrough transcription of terminators, decreased nucleosome occupancy, and pervasive noncoding transcription, demonstrating this nucleosomal region protects the genome against inappropriate transcription.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Structure and dynamics of the chromatin remodeler ALC1 bound to a PARylated nucleosome

    Luka Bacic, Guillaume Gaullier ... Sebastian Deindl
    Analysis of conformational heterogeneity in cryo-EM data by a recently developed deep learning method reveals the structure and dynamics of the oncogenic chromatin remodeler ALC1 bound to a poly-ADP-ribosylated nucleosome.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    Structure of the chromatin remodelling enzyme Chd1 bound to a ubiquitinylated nucleosome

    Ramasubramanian Sundaramoorthy, Amanda L Hughes ... Tom Owen-Hughes
    The unwrapping two turns of DNA on Chd1-bound nucleosomes cause the histone H3 tail and ubiquitin to be re-positioned.

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