The effects of different strains of zooxanthellae on the secondary-metabolite chemistry and development of the soft-coral host Lobophytum compactum |
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| Authors: | K Michalek-Wagner D J Bourne B F Bowden |
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| Institution: | (1) Department of Marine Biology and Cooperative Research Centre Reef, James Cook University, Townsville, Qld, 4811, Australia, AU;(2) Department of Chemistry, James Cook University, Townsville, Qld, 4811, Australia e-mail: bruce.bowden@jcu.edu.au Fax: +61-7-47251394, AU;(3) Australian Institute of Marine Science, PMB No. 3, Townsville Mail Centre, Qld. 4810, Australia, AU |
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| Abstract: | We have assessed the secondary-metabolite chemistry of freshly metamorphosed coral polyps, with and without zooxanthellae,
using extremely sensitive electro-spray and Fourier-transform mass spectrometry. Coral larvae of the soft coral Lobophytum compactum of the same genetic background were reared, then inoculated with zooxanthellar strains of different taxonomic and geographic
origin, and their terpenoid chemistry analysed. The identification of isolobophytolide in individuals of all treatment groups,
including aposymbiotic control polyps, demonstrates that control of terpene production lies with the host coral and not their
symbiotic algae.
Received: 29 November 1999 / Accepted: 22 November 2000 |
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