Is there a role for quorum sensing signals in bacterial biofilms?

S. Kjelleberg, Søren Molin

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Bacteria form multicellular biofilm communities on most surfaces. Genetic analysis of biofilm formation has led to the proposal that extracellular signals and quorum-sensing regulatory systems are essential for differentiated biofilms. Although such a model fits the concept of density-driven cell-cell communication and appear to describe biofilm development in several bacterial species and conditions, biofilm formation is multifactorial and complex. Hydrodynamics, nutrient load and intracellular carbon flux have major impacts, presumably by altering the expression of cellular traits essential for bacterial adaptation during the different stages of biofilm formation. Hence, differentiated biofilms may also be the net result of many independent interactions, rather than being determined by a particular global quorum sensing system.
    Original languageEnglish
    JournalCurrent Opinion in Microbiology
    Volume5
    Issue number3
    Pages (from-to)254-258
    ISSN1369-5274
    DOIs
    Publication statusPublished - 2002

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