Journal
LIPIDS
Volume 38, Issue 9, Pages 991-997Publisher
WILEY
DOI: 10.1007/s11745-003-1153-2
Keywords
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To investigate the localization of clavulones (CV), prostanoids with antitumor activity, in the Okinawan soft coral Clavularia viridis, we developed a method for the isolation of Symbiodinium, cells from the coral, i.e., treatment of a coral homogenate with a protease, pronase E, and a detergent, Nonidet P-40. The conditions for the treatment were optimized by monitoring the morphology microscopically and the amount of chlorophyll in the Symbiodinium fraction (SymF) optically. To evaluate the purity of SymF and a Symbiodinium-free coral fraction (CorF), we analyzed them for proteins and lipids using cultivated Symbiodinium as a reference. TLC of lipids revealed that SymF contained a greater amount of glycolipids, whereas CorF comprised mostly phospholipids. SDS-PAGE of proteins in SymF and CorF revealed their distinct profiles. Thus, we could obtain each fraction with high purity; we reached the conclusion that CV and arachidonic acid, their possible precursor, are localized exclusively in the insoluble fraction of host coral cells.
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