Antifeeding defense in baltic macroalgae: induction by direct grazing vs. waterborne cues.

Rohde, Sven and Wahl, Martin (2008) Antifeeding defense in baltic macroalgae: induction by direct grazing vs. waterborne cues. Journal of Phycology, 44 . pp. 85-90. DOI 10.1111/j.1529-8817.2007.00451.x.

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Abstract

The prevalence of antigrazing defense induction and the cues triggering induction in marine macroalgae are generally not well understood. We examined the capacity of defense and the mechanisms of regulation in five common perennial macroalgal species from the Baltic Sea, Furcellaria lumbricalis (Huds.) J. V. Lamour., Delesseria sanguinea (Huds.) J. V. Lamour., Phyllophora pseudoceranoides (S. G. Gmel.) Newroth et A. R. A. Taylor, Fucus serratus L., and Fucus evanescens C. Agardh. Specifically, we investigated whether direct feeding and/or waterborne cues from feeding on neighboring conspecifics decreased the palatability of the tested algae. Direct feeding by the local isopod Idotea baltica triggered the induction of chemical defense in Fur. lumbricalis, D. sanguinea, P. pseudoceranoides, F. serratus, and F. evanescens. Conversely, we did not find any evidence for waterborne cues associated with feeding to trigger defense induction in neighboring conspecifics.

Document Type: Article
Keywords: Botany; alga–herbivore interactions; Baltic Sea; defense induction; Delesseria sanguinea; Fucus; Furcellaria lumbricalis; herbivory; Idotea baltica; waterborne cues
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence
OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-B Experimental Ecology - Benthic Ecology
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1111/j.1529-8817.2007.00451.x
ISSN: 0022-3646
Projects: Future Ocean
Date Deposited: 03 Dec 2008 16:52
Last Modified: 30 May 2018 10:55
URI: http://oceanrep.geomar.de/id/eprint/2932

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