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The sex specific metabolic footprint of Oithona davisae

Journal article
Authors J. Heuschele
L. Nemming
L. Tolstrup
T. Kiørboe
Göran M. Nylund
Erik Selander
Published in Journal of Sea Research
Volume 117
Pages 1-6
ISSN 1385-1101
Publication year 2016
Published at Department of marine sciences
Department of Biological and Environmental Sciences, Tjärnö Marine Biological Laboratory
Pages 1-6
Language en
Links dx.doi.org/10.1016/j.seares.2016.09...
Keywords Chemical ecology, Copepods, Infochemicals, Metabolomics, Pheromones
Subject categories Zoology, Evolutionary Biology

Abstract

In pelagic copepods, the group representing the highest animal abundances on earth, males and females have distinct morphological and behavioural differences. In several species female pheromones are known to facilitate the mate finding process, and copepod exudates induce changes in physiology and behaviour in several phytoplankton species. Here we tested whether the sexual dimorphism in morphology and behaviour is mirrored in the exudate composition of males and females. We find differences in the exudate composition, with females seemingly producing more compounds. While we were able to remove the sex pheromones from the water by filtration through reverse phase solid phase extraction columns, we were not able to recover the active pheromone from the solid phase. © 2016 Elsevier B.V.

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