New tamjamine class alkaloids from the marine ascidianAtapozoa sp. and its nudibranch predators. Origin of the tambjamines inAtapozoa |
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| Authors: | N Lindquist W Fenical |
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| Institution: | (1) Scripps Institution of Oceanography, University of California, 92093-0228 San Diego, La Jolla, California, USA;(2) Present address: Institute of Marine Sciences, 3407 Arendell St., 28557 Morehead City, NC, (USA) |
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| Abstract: | Summary Two new tambjamine class alkaloids, possessing ichthyodeterrent properties, have been isolated from the organic extracts of the marine ascidianAtapozoa sp. and its nudibranch predators. The structure of the new metabolites were elucidated through interpretation of their physical and spectral data and by comparison with spectral data for related compounds. Microscopic examination ofAtapozoa considering the yellow color of the tambjamines suggested thatAtapozoa is capable of the de novo biosynthesis of these metabolites. |
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| Keywords: | Atapozoa ascidian chemical defense tambjamine class alkaloids origin of secondary metabolites |
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