Are Rhodophyceae a dietary component for deep-sea holothurians?

Bühring, S. I.; Koppelmann, R.; Christiansen, B.; Weikert, H.

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Are Rhodophyceae a dietary component for deep-sea holothurians?

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Bühring, S. I.
Marine Geochemistry Group, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Bühring, S. I., Koppelmann, R., Christiansen, B., & Weikert, H. (2002). Are Rhodophyceae a dietary component for deep-sea holothurians? Journal of the Marine Biological Association of the United Kingdom, 82(2), 347-348.

Cite as: https://hdl.handle.net/21.11116/0000-0001-D31D-1

Abstract

Eicosatetraenoic acid (20:4(n-G)), a polyunsaturated fatty acid (PURA), was found in deep-sea holothurians at a depth of nearly 5000 m in the temperate north-cast Atlantic. It has been suggested that deep-sea animals may be able to synthesize this compound de novo. Since this fatty acid is typical of Rhodophyceae, which has previously been found incorporated in gelatinous material captured in the deep sea, an alternative origin of this Fatty acid in the deep-sea holothurians is proposed.