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	Provedor de dados Naturalis (1) Autor Haftka, J.J.H. (1) Hoeksema, B.W. (1) Voogd, N.J. de (1) Palavra-chave 42.72 (1) Amphitoxin (1) Callyspongia (Euplacella) biru (1) Fungia fungites (1) Indonesia (1) Porifera (1) Spatial interaction (1) Mais... Tipo do documento Article / Letter to the editor (1) Ano 2005 (1) País Netherlands (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Evaluation of the ecological function of amphitoxin in the reef-dwelling sponge Callyspongia (Euplacella) biru (Haplosclerida: Callyspongiidae) at southwest Sulawesi, Indonesia Naturalis Voogd, N.J. de; Haftka, J.J.H.; Hoeksema, B.W.. The ecological function of the secondary metabolite amphitoxin produced by Callyspongia (Euplacella) biru is evaluated by a forced confrontation with the free-living scleractinian coral Fungia fungites at different exposure times. Our major goal was to determine whether such a forced confrontation with a spatial com­petitor would cause a significant change in the concentration of amphitoxin in the sponge tissue, indicating a regulatory mechanism of amphitoxin production. Firstly, the concentrations of amphitoxin of sponge fragments submitted to forced confrontation with a mushroom coral did not differ between the exposure times. Secondly, all sponge fragments, including the controls had a consistently lower amphitoxin concentration during the course of the... Tipo: Article / Letter to the editor Palavras-chave: Amphitoxin; Callyspongia (Euplacella) biru; Fungia fungites; Indonesia; Porifera; Spatial interaction; 42.72. Ano: 2005 URL: http://www.repository.naturalis.nl/record/214340 Registros recuperados: 1 Primeira ... 1 ... Última

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