Factors promoting marine invasions: A chemoecological approach

  1. Ernesto Mollo*,,
  2. Margherita Gavagnin*,
  3. Marianna Carbone*,
  4. Francesco Castelluccio*,
  5. Ferdinando Pozone*,
  6. Vassilios Roussis,
  7. José Templado§,
  8. Michael T. Ghiselin, and
  9. Guido Cimino*
  1. *Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy;
  2. Department of Pharmacognosy and Chemistry of Natural Products, University of Athens, Panepistimiopolis Zografou,15771 Athens, Greece;
  3. §Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Cientificas, J. Gutierrez Abascal 2, 28006 Madrid, Spain; and
  4. Department of Invertebrate Zoology, California Academy of Sciences, 875 Howard Street, San Francisco, CA 94103
  1. Edited by Jerrold Meinwald, Cornell University, Ithaca, NY, and approved January 8, 2008 (received for review October 2, 2007)

  1. Fig. 1.

    Exotic sea slugs found in Greece. (a) Sampling site. (b) Haminoea cyanomarginata. (c) Melibe viridis. (d) Syphonota geographica. (Photos in c and d are courtesy of W. B. Rudman and are for illustrative purposes only and not of the specimens examined here.)


  2. Fig. 2.

    Structures of compounds 17.


  3. Fig. 3.

    P. elegans alimentary response to food pellets treated with compound 2 (A) and 4 (B) at the volumetric concentration of 2.3 mg/ml and 1.0 mg/ml, respectively. Two-tailed Fisher's exact test: P < 0.05 vs. control; n = 10 for each bar.


  4. Fig. 4.

    P. elegans accepts (Left) and rejects (Right) the proposed food.


Footnotes

  • To whom correspondence should be addressed. E-mail: emollo{at}icmib.na.cnr.it
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