47 results found
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Cell-wall remodeling drives engulfment during Bacillus subtilis sporulation

    Nikola Ojkic et al.
    Imaging experiments and simulations reveal that the biophysical mechanism for force generation needed to engulf a forespore is based on coordinated cell wall synthesis and degradation.
    1. Microbiology and Infectious Disease

    Mechanisms of substrate recognition by a typhoid toxin secretion-associated muramidase

    Tobias Geiger et al.
    Biochemical analyses and the crystal structure of TtsA reveal fundamental insight into the mechanisms by which this muramidase recognizes its peptidoglycan substrate to facilitate typhoid toxin secretion.
    1. Biochemistry and Chemical Biology

    Enterococcus faecium secreted antigen A generates muropeptides to enhance host immunity and limit bacterial pathogenesis

    Byungchul Kim et al.
    Enterococci faecium encodes unique peptidoglycan composition and remodeling activity that activates host immunity.
    1. Microbiology and Infectious Disease

    Two-component Signaling Pathways: A bacterial Goldilocks mechanism

    Irene M Kim, Hendrik Szurmant
    Bacillus subtilis can measure the activity of the enzymes that remodel the cell wall to ensure that the levels of activity are ‘just right’.
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    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Tuberculosis: Breaking down walls

    Moagi Tube Shaku, Bavesh Davandra Kana
    A better understanding of the mechanisms underpinning the growth of mycobacteria could help identify targets for new antibiotics.
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    1. Microbiology and Infectious Disease

    Homeostatic control of cell wall hydrolysis by the WalRK two-component signaling pathway in Bacillus subtilis

    Genevieve S Dobihal et al.
    Molecular genetic analyses define the first homeostatic control pathway that maintains cell wall remodeling activity during bacterial growth.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Insights into the key determinants of membrane protein topology enable the identification of new monotopic folds

    Sonya Entova et al.
    Key sequence motifs, defined using the first reported structure of a monotopic membrane protein with a reentrant helix, enable identification of new monotopic membrane protein families previously predicted as membrane spanning.
    1. Structural Biology and Molecular Biophysics

    Structural basis of ribosomal peptide macrocyclization in plants

    Joel Haywood et al.
    The first crystal structure of an active plant asparaginyl endopeptidase reveals a tetrahedral intermediate state in its active site, which may help to explain why these enzymes have been independently recruited to perform peptide macrocyclization.
    1. Microbiology and Infectious Disease

    Plasticity of Escherichia coli cell wall metabolism promotes fitness and antibiotic resistance across environmental conditions

    Elizabeth A Mueller et al.
    Environmental specialization of bacterial cell wall synthases influences intrinsic resistance to cell wall active antibiotics.
    1. Evolutionary Biology

    Antibacterial gene transfer across the tree of life

    Jason A Metcalf et al.
    Parallel horizontal gene transfer has spread a bacteriolytic gene family to all domains of life, and has bestowed a niche-transcending adaptation in recipients that must deploy antibacterial molecules to survive in a bacterial world.

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