25 results found
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Reassessing the substrate specificities of the major Staphylococcus aureus peptidoglycan hydrolases lysostaphin and LytM

    Lina Antenucci, Salla Virtanen ... Perttu Permi
    Robust NMR approach allowed simultaneous detection of substrate cleavage site and real-time kinetics of hydrolysis for Staphylococcus aureus peptidoglycan hydrolases lysostaphin and LytM, and revealed D-alanyl-glycine activity for LytM.
    1. Microbiology and Infectious Disease

    Extensive remodelling of the cell wall during the development of Staphylococcus aureus bacteraemia

    Edward JA Douglas, Nathanael Palk ... Ruth C Massey
    The transition of Staphylococcus aureus from commensalism to invasive disease, bacteraemia, is a complex balancing act offsetting offensive and defensive virulence strategies involving the Tca cell wall stress stimulon locus.
    1. Microbiology and Infectious Disease

    Rapid bacterial evaluation beyond the colony forming unit in osteomyelitis

    Qi Sun, Kimberley Huynh ... Dongqing Yang
    This time-shortened work flow improves sensitivity and specificity for the identification of bacteria in bone infections independently of bacterial culturability.
    Version of Record
    Short Report
    • Fundamental
    • Compelling
    1. Microbiology and Infectious Disease

    A Novel Rapid Host Cell Entry Pathway Determines Intracellular Fate of Staphylococcus aureus

    Marcel Rühling, Fabio Schmelz ... Martin J Fraunholz
    Not revised
    Reviewed Preprint v1
    • Valuable
    • Incomplete
    1. Microbiology and Infectious Disease

    Septal secretion of protein A in Staphylococcus aureus requires SecA and lipoteichoic acid synthesis

    Wenqi Yu, Dominique Missiakas, Olaf Schneewind
    Surface protein precursors traffic to lipoteichoic acid-rich septal membranes of Staphylococcus aureus for cleavage of their YSIRK-GXXS motif signal peptides and SecA-mediated translocation across the plasma membrane.
    1. Microbiology and Infectious Disease

    NAD kinase promotes Staphylococcus aureus pathogenesis by supporting production of virulence factors and protective enzymes

    Clarisse Leseigneur, Laurent Boucontet ... Olivier Dussurget
    Staphylococcus aureus NAD kinase promotes infection by protecting bacteria from host antimicrobial defenses and by supporting production of major virulence factors.
    1. Microbiology and Infectious Disease

    Co-evolution within structured bacterial communities results in multiple expansion of CRISPR loci and enhanced immunity

    Nora C Pyenson, Luciano A Marraffini
    Cells must acquire multiple viral spacer sequences to neutralize mutant escaper phages and form colonies during the CRISPR-Cas immune response.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    A high-throughput cytotoxicity screening platform reveals agr-independent mutations in bacteraemia-associated Staphylococcus aureus that promote intracellular persistence

    Abderrahman Hachani, Stefano G Giulieri ... Timothy P Stinear
    Staphylococcus aureus switches from innocuous coloniser to invasive human pathogen, the bacterial population can accumulate pathoadaptive mutations that reduce bacterial toxicity whilst allowing persistence within infected cells, potentially leading to severe human infections.
    1. Microbiology and Infectious Disease

    Sensitizing Staphylococcus aureus to antibacterial agents by decoding and blocking the lipid flippase MprF

    Christoph J Slavetinsky, Janna N Hauser ... Andreas Peschel
    Blocking the bacterial lipid flippase MprF by monoclonal antibodies enhance staphylococcal clearance by host defense and antibiotics providing a novel proof of concept for antivirulence approaches targeting bacterial resistance mechanisms.
    1. Microbiology and Infectious Disease

    An essential Staphylococcus aureus cell division protein directly regulates FtsZ dynamics

    Prahathees J Eswara, Robert S Brzozowski ... Kumaran S Ramamurthi
    GpsB in Staphylococcus aureus directly regulates the central cell division protein FtsZ, a different function from that assigned for GpsB in other closely related organisms.

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