1,599 results found
    1. Physics of Living Systems

    Surface-to-volume scaling and aspect ratio preservation in rod-shaped bacteria

    Nikola Ojkic et al.
    Rod-shaped bacteria preserve their aspect ratios and surface-to-volume scaling by maintaining a homeostatic balance between the rates of cell elongation and division protein synthesis.
    1. Microbiology and Infectious Disease

    Distinct cytoskeletal proteins define zones of enhanced cell wall synthesis in Helicobacter pylori

    Jennifer A Taylor et al.
    The helical bacterium Helicobacter pylori patterns cell wall synthesis using two distinct cytoskeletal proteins, CcmA and MreB, to achieve its characteristic shape.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Mechanics and dynamics of translocating MreB filaments on curved membranes

    Felix Wong et al.
    Principal curvature-dependent motion of bacterial actin MreB results in localization consistent with all known literature.
    1. Biochemistry and Chemical Biology

    Membrane-partitioned cell wall synthesis in mycobacteria

    Alam García-Heredia et al.
    Mycobacteria employ plasma membrane compartments to organize their cell wall synthesis, and the finalized cell wall compartmentalizes the plasma membrane to promote an environment conducive to its own synthesis.
    1. Ecology
    2. Microbiology and Infectious Disease

    Light-dependent single-cell heterogeneity in the chloroplast redox state regulates cell fate in a marine diatom

    Avia Mizrachi et al.
    Single-cell analysis of the chloroplast redox response to high light and oxidative stress revealed light-dependent heterogeneity, and was linked to cell fate determination within isogenic diatom populations.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Bacterial actin MreB forms antiparallel double filaments

    Fusinita van den Ent et al.
    The prokaryotic actin homologue MreB forms antiparallel double filaments in vitro and in vivo, an architecture that is unprecedented among the actin family of proteins.
    1. Evolutionary Biology

    The genomes of polyextremophilic cyanidiales contain 1% horizontally transferred genes with diverse adaptive functions

    Alessandro W Rossoni et al.
    Horizontal gene transfer (HGT) analysis in polyextremophile red algae (Cyanidiales) provides explanations for the nonexistence of cumulative effects and eukaryotic pangenomes, and highlights differences between HGT and native genes.
    1. Physics of Living Systems

    Confinement discerns swarmers from planktonic bacteria

    Weijie Chen et al.
    For the same bacterial strain, the swarming phenotype can be biophysically discerned from swimming phenotype based on the motion pattern under circular confinement on a soft agar.
    1. Microbiology and Infectious Disease

    Bacteria: Driving polar growth

    Neeraj Dhar
    Profiling the phenotype of 200,000 mutants revealed a new cofactor that may help a group of rod-shaped bacteria elongate and grow.
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    1. Microbiology and Infectious Disease

    MreB filaments align along greatest principal membrane curvature to orient cell wall synthesis

    Saman Hussain et al.
    MreB filaments bind, orient, and move along the direction of greatest membrane curvature, thus orienting the insertion of new glycan strands around the cell circumference in a manner that may help establish and maintain rod shape.

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