Are Rhodophyceae a dietary component for deep-sea holothurians?

Eicosatetraenoic acid (20:4(n-6)), a polyunsaturated fatty acid (PUFA), was found in deep-sea holothurians at a depth of nearly 5000 m in the temperate north-east Atlantic. It has been suggested that deep-sea animals may be able to synthesize this compound de novo. Since this fatty acid is typical o...

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Veröffentlicht in:	Journal of the Marine Biological Association of the United Kingdom 2002-04, Vol.82 (2), p.347-348
Hauptverfasser:	Bühring, S.I., Koppelmann, R., Christiansen, B., Weikert, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algae Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences Deep sea Echinodermata Fatty acids Fundamental and applied biological sciences. Psychology Holothuria Invertebrates Lipids Marine Plankton Polyunsaturated fatty acids Protozoa. Invertebrata Rhodophyta Sea water ecosystems Sedimentation & deposition SHORT COMMUNICATIONS Synecology
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Beschreibung
Zusammenfassung:	Eicosatetraenoic acid (20:4(n-6)), a polyunsaturated fatty acid (PUFA), was found in deep-sea holothurians at a depth of nearly 5000 m in the temperate north-east 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.
ISSN:	0025-3154 1469-7769
DOI:	10.1017/S0025315402005556