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Journal of Chemical Ecology

, Volume 11, Issue 5, pp 551–563 | Cite as

Inhibition of barnacle settlement and behavior by natural products from whip corals,Leptogorgia virgulata (Lamarck, 1815)

  • D. Rittschof
  • I. R. Hooper
  • E. S. Branscomb
  • J. D. Costlow
Article

Abstract

Laboratory-reared barnacle larvae were used to study natural products from whip corals. Biological assays used barnacle responses in behavioral assays and in larval settlement assays. Whip corals contained substances that were active in both assays. Substances inhibiting swimming and reversible attachment of barnacle larvae were found in an aqueous extract of whip corals. Low-molecular-weight substances inhibiting barnacle settlement were found in a methylene chloride extract of material soluble in aqueous methanol. Antisettlement activity was associated with substances with specific mobilities in several chromatography systems. Partially purified material was effective in preventing settlement at concentrations of less than 0.2 μ/ml. Settlement inhibition involves adsorption of the natural product to surfaces.

Key words

Barnacle settlement natural products gorgonians settlement inhibition Balanus amphitrite Leptogorgia virgulata fouling antifouling 

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Copyright information

© Plenum Publishing Corporation 1985

Authors and Affiliations

  • D. Rittschof
    • 1
  • I. R. Hooper
    • 1
  • E. S. Branscomb
    • 1
  • J. D. Costlow
    • 1
  1. 1.Duke University Marine LaboratoryPivers Island, Beaufort

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