386 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    mRNA-programmed translation pauses in the targeting of E. coli membrane proteins

    Nir Fluman, Sivan Navon ... Yitzhak Pilpel
    Translation pauses occur in strategic positions to facilitate the production of properly folded membrane proteins in bacteria.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    McsB forms a gated kinase chamber to mark aberrant bacterial proteins for degradation

    Bence Hajdusits, Marcin J Suskiewicz ... Tim Clausen
    The McsB kinase is critical for protein quality control in Gram-positive bacteria, assembling a gated phosphorylation chamber during heat-shock conditions to selectively mark misfolded proteins for degradation.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    The molecular architecture of engulfment during Bacillus subtilis sporulation

    Kanika Khanna, Javier Lopez-Garrido ... Elizabeth Villa
    In situ cryo-electron tomography unveils the molecular sociology of a developing sporangium in Bacillus subtilis, revealing critical information about cell wall remodeling and membrane migration in bacteria.
    1. Microbiology and infectious disease

    Asymmetric division triggers cell-specific gene expression through coupled capture and stabilization of a phosphatase

    Niels Bradshaw, Richard Losick
    Asymmetric cell division is linked to cell-specific transcription by handoff of a key developmental regulator from the cytokinetic machinery to the adjacent cell pole where it oligomerizes to become stabilized and activated.
    1. Microbiology and Infectious Disease

    4-Hydroxy-2-nonenal antimicrobial toxicity is neutralized by an intracellular pathogen

    Hannah Tabakh, Adelle P McFarland ... Joshua J Woodward
    The aldehyde 4-hydroxy-2-nonenal is a novel component of the host antimicrobial reactive oxygen burst, and the bacterium Listeria monocytogenes encodes genes specifically for its detoxification.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    NusG is an intrinsic transcription termination factor that stimulates motility and coordinates gene expression with NusA

    Zachary F Mandell, Reid T Oshiro ... Paul Babitzke
    The general transcription elongation factor NusG functions as an intrinsic termination factor in Bacillus subtilis and together with NusA coordinates global gene expression including the motility regulon.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Regulation of signaling directionality revealed by 3D snapshots of a kinase:regulator complex in action

    Felipe Trajtenberg, Juan A Imelio ... Alejandro Buschiazzo
    The molecular mechanism of switching between phosphotransferase- and phosphatase-competent states in histidine-kinases has been uncovered, through direct crystallographic observation of bona fide complexes between a histidine-kinase and its response regulator from Bacillus subtilise.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Cell-wall remodeling drives engulfment during Bacillus subtilis sporulation

    Nikola Ojkic, Javier López-Garrido ... Robert G Endres
    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. Chromosomes and Gene Expression
    2. Physics of Living Systems

    Chromosome organization by one-sided and two-sided loop extrusion

    Edward J Banigan, Aafke A van den Berg ... Leonid A Mirny
    Seemingly contradictory findings of single-molecule and in vivo experiments on a major mechanism of chromosome organization are reconciled by computationally investigating mechanisms of loop extrusion that are consistent with both.
    1. Microbiology and Infectious Disease

    A mobile genetic element increases bacterial host fitness by manipulating development

    Joshua M Jones, Ilana Grinberg ... Alan D Grossman
    A mobile genetic element provides a selective advantage to host cells by delaying development, including biofilm and spore formation, thereby enabling temporary cheating and extra divisions.

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