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    Viscoelasticity of Staphylococcus aureus biofilms in response to fluid shear allows resistance to detachment and facilitates rolling migration

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    Published article (235.4Kb)
    Date
    2005-04
    Author
    Rupp, Cory J.
    Fux, C. A.
    Stoodley, Paul
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    Abstract
    Staphylococcus aureus is a leading cause of catheter-related bloodstream infections and endocarditis. Both involve (i) biofilm formation, (ii) exposure to fluid shear, and (iii) high rates of dissemination. We found that viscoelasticity allowed S. aureus biofilms to resist detachment due to increased fluid shear by deformation, while remaining attached to a surface. Further, we report that S. aureus microcolonies moved downstream by rolling along the lumen walls of a glass flow cell, driven by the flow of the overlying fluid. The rolling appeared to be controlled by viscoelastic tethers. This tethered rolling may be important for the surface colonization of medical devices by nonmotile bacteria.
    URI
    https://scholarworks.montana.edu/xmlui/handle/1/13354
    DOI
    10.1128/aem.71.4.2175-2178.2005
    Citation
    Rupp CJ, Fux CA, Stoodley P, "Viscoelasticity of Staphylococcus aureus biofilms in response to fluid shear allows resistance to detachment and facilitates rolling migration," Appl Environ Microbiol, 2005 71(4):2175-2178
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    • Scholarly Work - Center for Biofilm Engineering

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