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Origin of bistramide a identified in Lissoclinum bistratum (Urochordata): possible involvement of symbiotic Prochlorophyta

Published online by Cambridge University Press:  11 May 2009

J.-F. Biard
Affiliation:
SMAB, Facultéa Cedex, Nouvelle-Calédonie
C. Grivois
Affiliation:
SMAB, Facultéa Cedex, Nouvelle-Calédonie
J.-F. Verbist
Affiliation:
SMAB, Facultéa Cedex, Nouvelle-Calédonie
C. Debitus
Affiliation:
ORSTOM, BP A5, Noum´a Cedex, Nouvelle-Calédonie
J. B. Carre
Affiliation:
ORSTOM, BP A5, Noum´a Cedex, Nouvelle-Calédonie

Extract

An attempt was made to determine whether bistramide A (=bistratene A), a polycycloether with biological activity isolated from Lissodinum bistratum Sluiter, originates from the ascidian itself or from its symbiont Prochlorophyta. A high-pressure liquid chromatography assay carried out on the whole ascidian, the ascidian without a portion of its Prochloron and the Prochloron themselves gave concentrations respectively of 0.182,0.166 and 0.850%. In view of these results, as well as of the capacity of Prochloron to synthesize complex nitrogenous products and the cytotoxicity of these products, it is hypothesized that bistramide A originates exclusively in Prochloron.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1990

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