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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.
