260 results found
    1. Biochemistry and Chemical Biology

    Mapping the functional landscape of the receptor binding domain of T7 bacteriophage by deep mutational scanning

    Phil Huss, Anthony Meger ... Srivatsan Raman
    An unbiased mutational screen decodes the molecular basis of phage receptor interactions, identifies key functional regions determining activity and host range, and demonstrates the potential for engineering therapeutic phages.
    1. Structural Biology and Molecular Biophysics

    Structural basis of transcription inhibition by the DNA mimic protein Ocr of bacteriophage T7

    Fuzhou Ye, Ioly Kotta-Loizou ... Xiaodong Zhang
    DNA mimicry Ocr protein, a well-studied T7 phage protein that inhibits host restriction enzymes, can also inhibit host transcription through competing with sigma factors in binding to RNA polymerase.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Structural elucidation of a novel mechanism for the bacteriophage-based inhibition of the RNA degradosome

    An Van den Bossche, Steven W Hardwick ... Rob Lavigne
    A bacteriophage remodels the RNA metabolism machinery of a bacterial host to sequentially clear host transcripts and then stabilize the viral RNA.
    1. Cell Biology

    A bacteriophage tubulin harnesses dynamic instability to center DNA in infected cells

    Marcella L Erb, James A Kraemer ... Joe Pogliano
    A bacteriophage tubulin homolog, PhuZ, forms a structure with the biochemical, structural, and functional properties of a simplified, bipolar spindle.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    A new topology of the HK97-like fold revealed in Bordetella bacteriophage by cryoEM at 3.5 Å resolution

    Xing Zhang, Huatao Guo ... Z Hong Zhou
    Cryo electron microscopy and structure-based mutagenesis reveal that the bacteriophage BPP-1 contains two of the three major recognized viral folds, one of which exhibits a new topology.
    1. Microbiology and Infectious Disease

    Dominant Vibrio cholerae phage exhibits lysis inhibition sensitive to disruption by a defensive phage satellite

    Stephanie G Hays, Kimberley D Seed
    Genetic and molecular analyses identify and characterize an evolutionary battle over lysis timing wherein a bacteriophage delays lysis through lysis inhibition while a defensive phage satellite accelerates lysis.
    1. Microbiology and Infectious Disease

    Cell cycle constraints on capsulation and bacteriophage susceptibility

    Silvia Ardissone, Coralie Fumeaux ... Patrick H Viollier
    A multi-layered and conserved cell cycle mechanism prevents capsulation, long known as a bacterial virulence determinant, in G1-phase and concurrently licenses bacteriophage-mediated genetic exchange prior to entry into S-phase.
    1. Microbiology and Infectious Disease

    Research: A comprehensive and quantitative exploration of thousands of viral genomes

    Gita Mahmoudabadi, Rob Phillips
    A compendium of critical genomic numbers for viruses through the lenses of different viral classification systems.
    1. Epidemiology and Global Health
    2. Structural Biology and Molecular Biophysics

    Electron cryo-microscopy of bacteriophage PR772 reveals the elusive vertex complex and the capsid architecture

    Hemanth KN Reddy, Marta Carroni ... Martin Svenda
    The structure and composition of the elusive vertex complex in Tectiviridae is finally revealed and the newly reported protein conformations help to maintain the capsid architecture.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and mechanism of a phage-encoded SAM lyase revises catalytic function of enzyme family

    Xiaohu Guo, Annika Söderholm ... Maria Selmer
    The first structure of a bacteriophage-encoded S-adenosyl methionine degrading enzyme was solved and demonstrated to catalyze a unimolecular lyase reaction occurring at the domain interface of a trimeric structure.

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