2,057 results found
    1. Biochemistry and Chemical Biology

    Intracellular Diffusion: How bacteria keep proteins moving

    Conrad W Mullineaux
    Bacteria contain large numbers of negatively-charged proteins to avoid the electrostatic interactions with ribosomes that would dramatically reduce protein diffusion.
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    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A systematically-revised ribosome profiling method for bacteria reveals pauses at single-codon resolution

    Fuad Mohammad et al.
    With the removal of confounding artifacts, ribosome profiling can yield insight into the mechanism of protein synthesis in bacteria at high resolution.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    General principles for the formation and proliferation of a wall-free (L-form) state in bacteria

    Romain Mercier et al.
    A wide range of bacterial species can switch into a cell wall-free state that does not require the FtsZ-based division machinery to proliferate.
    1. Structural Biology and Molecular Biophysics
    2. Computational and Systems Biology

    CryoEM and computer simulations reveal a novel kinase conformational switch in bacterial chemotaxis signaling

    C Keith Cassidy et al.
    An atomic model of the bacterial chemosensory array obtained through the synthesis of cryo-electron tomography and large-scale molecular-dynamics simulations reveals a new kinase conformation during signaling events.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    The structural basis for dynamic DNA binding and bridging interactions which condense the bacterial centromere

    Gemma LM Fisher et al.
    A combination of structural, biochemical, single-molecule and in vivo methods are used to show how ParB locally condenses the bacterial chromosome near the origin and earmarks this region for segregation.
    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. Ecology
    2. Microbiology and Infectious Disease

    Subcellular tracking reveals the location of dimethylsulfoniopropionate in microalgae and visualises its uptake by marine bacteria

    Jean-Baptiste Raina et al.
    The intracellular location of a key sulfur compound, dimethylsulfoniopropionate, was identified in microalgae and its subsequent uptake by marine bacteria was quantified using a combination of secondary-ion mass-spectrometry techniques.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Bacterial flagella grow through an injection-diffusion mechanism

    Thibaud T Renault et al.
    Single cell, fluorescent microscopy and mathematical modeling reveal how bacterial flagella dynamically assemble outside the cell.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Architecture of the ring formed by the tubulin homologue FtsZ in bacterial cell division

    Piotr Szwedziak et al.
    The architecture of the bacterial cytokinetic ring in cells and in artificial liposome reconstitutions has been described using electron microscopy, leading to a mechanism of constriction.
    1. Computational and Systems Biology

    Spatiotemporal establishment of dense bacterial colonies growing on hard agar

    Mya R Warren et al.
    A 3D model captures the growth and expansion dynamics of bacterial colonies, revealing distinct effects of surface tension, mechanical forces, and nutrients on the speed of radial and vertical expansion.

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