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Opportunities for Environmental Applications of Marine Biotechnology Proceedings of the October 5-6, 1999, Workshop (2000) / Chapter Skim
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Antifouling
Pages 8-13

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 8...
... I first studied the alpine environment, which probably has the cleanest water in any ecosystem, with sparse Pseudomonas aeruginosa growth of perhaps 8 bacteria/mL in the flowing water and abundant growth of at least 108 bacteria/cm2 on the rocks. So it is in biofilms in any ecosystem that bacteria grow preferentially on surfaces.
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From page 9...
... Acute bacterial infections caused by planktonic bacteria have been largely controlled, primarily with antibiotics and vaccines; however, conditions such as children's middle ear infections persist until they are eventually outgrown. The persistent condition emerges as a very large concern.
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From page 10...
... For example, in the case of Pseudomonas aeruginosa, two different signals are produced, and these simply diffuse through the cell envelope out into the surrounding milieu, and nothing happens. However, when planktonic cultures of bacteria reach a certain cell density (which Peter Greenberg calls a quorum)
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From page 11...
... I believe that furanones have actually been sold to a very large number of companies, and I think we will start seeing the emergence of medical devices containing furanones in the next 3 or 4 years. In addition, we will see the use of signals that trigger the detachment of planktonic bacteria from mature biofilms, as butyryl HSL triggers detachment in biofilms of Pseudomonas aeruginosa.
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From page 12...
... Note the failure of marine biota in colonizing this material containing the natural blocking analog of the homoserine lactone signal that controls biofilm formation in many Gram-negative organisms. Reproduced with permission from Staffan Kjelleberg.
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From page 13...
... REFERENCES Costerton JW, Stewart PS, Greenberg EP. 1999 Bacterial biofilms: A common cause of persistent infections.
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Key Terms

  • biofilm formation
  • sydney harbor
  • pseudomonas aeruginosa
  • staffan kjelleberg
  • planktonic cells

  • communication molecule
  • bacterial infections
  • control panels
  • red algal
  • controls biofilm

  • planktonic bacteria
  • biofilm engineering
  • flowing water
  • lactone signal
  • periodontal plaque

  • marine manifestation
  • cell density
  • algal species
  • homoserine lactone
  • furanone compounds

  • virtually uncolonized
  • infections persist
  • blocking analog
  • sewage outfall
  • peter greenberg

  • successful commercially
  • permanent detachment
  • require synthesizing
  • deepening periodontal
  • bacteria reach


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