Inactivation of Vibrio anguillarum by attached and planktonic Roseobacter cells

Paul D'Alvise, Jette Melchiorsen, Cisse Hedegaard Porsby, Kristian Fog Nielsen, Lone Gram

Research output: Contribution to journalJournal articleResearchpeer-review


The purpose of the present study was to investigate inhibition of Vibrio by Roseobacter in a combined liquid-surface system. Exposure of Vibrio anguillarum to surface-attached roseobacters (10e7 cfu/cm2) resulted in significant reduction or complete killing of the pathogen inoculated at 10e2 – 10e4 cfu/ml. The effect was likely associated with production of tropodithietic acid (TDA), as a TDA-negative mutant did not affect survival or growth of V. anguillarum.
Original languageEnglish
JournalApplied and Environmental Microbiology
Issue number7
Pages (from-to)2366-2370
Publication statusPublished - 2010


  • Roseobacter
  • Biofilm
  • Phaeobacter
  • Marine larviculture
  • Vibrio anguillarum
  • Ruegeria
  • Probiotic


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