The phospholipid compositions of organs and tissues were determined in representatives of two phyla of marine invertebrates: Echinodermata [Asteroidea: Aphelasterias japonica (Bell, 1881), Evasterias echinosoma Fisher, 1926, Distolasterias nipon (Doderlein, 1902), Asterias amurensis Lutken, 1871; Echinoidea: Strongylocentrotus intermedius (A. Agassiz, 1863); Holothurioidea: Cucumaria frondosa japonica (Semper, 1868), Eupentacta fraudatrix (Djakonov et Baranova, 1958), Apostichopus japonicus (Selenka, 1867)], and Tunicata [Ascidia: Halocynthia aurantium (Pallas, 1787), H. roretzi (Drasche, 1884), and Styela clava (Herdman, 1881)]. The specificity of phospholipid distribution was shown to be related to the taxonomic position of marine invertebrates and the functional properties of their organs and tissues. Ceramide aminoethylphosphonate was found only in the digestive organs of all holothurians and the starfishes D. nipon and A. amurensis, suggesting its exogenous origin. Phosphatidylglycerol was found in all organs and tissues of the holothurians C. frondosa japonica and E. fraudatrix, as well as in the gastrointestinal tract of ascidians; its origin is unclear.
Russian Journal of Marine Biology – Springer Journals
Published: Mar 27, 2012
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