Imaging N-acyl homoserine lactone quorum sensing in vivo

Louise Dahl Hultqvist, Maria Alhede, Tim Holm Jakobsen, Michael Givskov, Thomas Bjarnsholt*

*Corresponding author af dette arbejde
    2 Citationer (Scopus)

    Abstract

    In order to study N-acyl homoserine lactone (AHL)-based quorum sensing in vivo, we present a protocol using an Escherichia coli strain equipped with a luxR-based monitor system, which in the presence of exogenous AHL molecules expresses a green fluorescent protein (GFP). Lungs from mice challenged intratracheally with alginate beads containing both a Pseudomonas aeruginosa strain together with the E. coli monitor strain can be investigated at different time points postinfection. Epifluorescent or confocal scanning laser microscopy (CSLM) is used to detect the GFP-expressing E. coli monitor strain in the lung tissues, indicating production and excretion of AHLs in vivo by the infecting P. aeruginosa.

    OriginalsprogEngelsk
    TitelQuorum Sensing : Methods and Protocols
    RedaktørerLivia Leoni, Giordano Rampion
    Antal sider10
    Vol/bind1673
    ForlagHumana Press
    Publikationsdato2018
    Sider203-212
    ISBN (Trykt)978-1-4939-7308-8
    ISBN (Elektronisk)978-1-4939-7309-5
    DOI
    StatusUdgivet - 2018
    NavnMethods in Molecular Biology
    Nummer1673
    ISSN1064-3745

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