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Initiation of biofilm formation in Pseudomonas fluorescens WCS365 proceeds via multiple, convergent signalling pathways: a genetic analysis
TLDR
The genetic analyses suggest that biofilm formation can proceed via multiple, convergent signalling pathways, which are regulated by various environmental signals, and that of the 24 sad mutants analysed in this study, only three had defects in genes of known function.
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Flagellar and twitching motility are necessary for Pseudomonas aeruginosa biofilm development
TLDR
The isolation and characterization of mutants of Pseudomonas aeruginosa PA14 defective in the initiation of biofilm formation on an abiotic surface, polyvinylchloride (PVC) plastic are reported and evidence that microcolonies form by aggregation of cells present in the monolayer is presented.
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Biofilm formation as microbial development.
TLDR
The results reviewed in this article indicate that the formation of biofilms serves as a new model system for the study of microbial development.
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Microbial Biofilms: from Ecology to Molecular Genetics
TLDR
The recent explosion in the field of biofilm research has led to exciting progress in the development of new technologies for studying these communities, advanced the authors' understanding of the ecological significance of surface-attached bacteria, and provided new insights into the molecular genetic basis ofBiofilm development.
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Microtiter dish biofilm formation assay.
  • G. O’Toole
  • Biology
    Journal of visualized experiments : JoVE
  • 30 January 2011
TLDR
The ease, low cost and flexibility of the microtiter plate assay has made it a critical tool for the study of biofilm formation, and this protocol will focus on the use of this assay to studyBiofilm formation by the model organism Pseudomonas aeruginosa.
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Mechanisms of biofilm resistance to antimicrobial agents.
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Rhamnolipids Modulate Swarming Motility Patterns of Pseudomonas aeruginosa
TLDR
It is shown that P. aeruginosa produces extracellular factors capable of modulating tendril movement, and genetic analysis revealed that modulation of these movements was dependent on rhamnolipid biosynthesis.
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Genetic approaches to study of biofilms.
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Rhamnolipid Surfactant Production Affects Biofilm Architecture in Pseudomonas aeruginosa PAO1
TLDR
It is proposed that the maintenance of biofilm architecture represents a previously unrecognized step in the development of these microbial communities, and evidence that surfactants may be able to maintain open channels by affecting cell-cell interactions and the attachment of bacterial cells to surfaces is provided.
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BifA, a Cyclic-Di-GMP Phosphodiesterase, Inversely Regulates Biofilm Formation and Swarming Motility by Pseudomonas aeruginosa PA14
TLDR
It is proposed that BifA functions upstream of SadB in the control of biofilm formation and swarming, and mutational analyses of the conserved EAL and GGDEF residues of B ifA suggest that both domains are important for the observed phosphodiesterase activity.
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