37 results found
    1. Biochemistry and Chemical Biology

    A universal pocket in fatty acyl-AMP ligases ensures redirection of fatty acid pool away from coenzyme A-based activation

    Gajanan S Patil et al.
    The structural basis of how an enzyme differentiates chemically identical molecules unlike its homolog to channel fatty acids towards secondary metabolism is elucidated.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Coordination between nucleotide excision repair and specialized polymerase DnaE2 action enables DNA damage survival in non-replicating bacteria

    Asha Mary Joseph et al.
    Live-cell imaging shows that replication-independent specialized polymerase action is a consequence of lesion processing via NER and impacts cellular survival under stress outside replicative phases of the cell cycle.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Discovery and characterization of a novel family of prokaryotic nanocompartments involved in sulfur metabolism

    Robert J Nichols et al.
    A protein-bounded organelle-like compartment from Synechococcus elongatus PCC 7942 is upregulated under sulfur starvation and contains a cysteine desulfurase cargo enzyme.
    1. Microbiology and Infectious Disease

    A conserved cell division protein directly regulates FtsZ dynamics in filamentous and unicellular actinobacteria

    Félix Ramos-León et al.
    Identification of a novel regulator that directly influences the assembly and function of the cell division machinery in industrially and medically important bacteria.
    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. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Atomic structures of respiratory complex III2, complex IV, and supercomplex III2-IV from vascular plants

    Maria Maldonado et al.
    The structures of plant CIII2, CIV, and SC III2+IV challenge long-standing assumptions, generate new mechanistic hypotheses and allow for the generation of more selective agricultural inhibitors.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Spreading of a mycobacterial cell-surface lipid into host epithelial membranes promotes infectivity

    CJ Cambier et al.
    Applying bioorthogonal chemistry to the zebrafish/Mycobacterium marinum model of tuberculosis reveals that the virulence lipid PDIM must spread into epithelial cells in order for mycobacteria to establish infection.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Arrayed CRISPRi and quantitative imaging describe the morphotypic landscape of essential mycobacterial genes

    Timothy J de Wet et al.
    A high-throughput functional genomics approach combining inducible CRISPR-interference and quantitative imaging yields an atlas of 'phenoprints' to guide gene function assignments, identify metabolic pathway-specific morphotypes, and inform antibiotic mechanism-of-action studies.
    1. Structural Biology and Molecular Biophysics

    Single-molecule observation of ATP-independent SSB displacement by RecO in Deinococcus radiodurans

    Jihee Hwang et al.
    RecO efficiently displaces SSB from ssDNA without consuming ATPs using its two DNA-binding sites, even though SSB binds to ssDNA approximately 300 times more strongly than RecO does.
    1. Structural Biology and Molecular Biophysics

    The structure of the endogenous ESX-3 secretion system

    Nicole Poweleit et al.
    The structure of the endogenous ESX-3 secretion system reveals a highly coordinated inner membrane complex and suggests a mechanism for the regulated secretion of ESX substrates.

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