Abstract
Barnacle settlement inhibitors and inducers are present in the gorgonianLeptogorgia virgulata and the pennatulaceanRenilla reniformis. The inhibitors are low-molecular-weight compounds (<20,000 daltons) that were detected in soft tissue homogenates and dialysates of homogenate and in ambient “gorgonian water.” Settlement was almost completely inhibited at a dialysate concentration of 1.0 g wet weight equivalents/liter. The inhibitors probably function in chemical defense against predation and fouling, and could prove useful in ship fouling control. The settlement inducers are high-molecular-weight substances (>20,000 daltons) that adsorb to surfaces.
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Standing, J.D., Hooper, I.R. & Costlow, J.D. Inhibition and induction of barnacle settlement by natural products present in octocorals. J Chem Ecol 10, 823–834 (1984). https://doi.org/10.1007/BF00987966
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DOI: https://doi.org/10.1007/BF00987966