Lipid distribution in branching coral Montipora digitata

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The lipid profile was studied along the branch length, from the top, middle to base portion, of coral <i>Montipora digitata</i> to gain more insight into the physiological significance of lipids in the coral energy budget. The lipids of <i>M</i>. <i>digitata</i> consisted of seven major lipid classes: polar lipid, sterol, free fatty acid, unknown lipids 1 and 2, triacylglycerol (TG), and wax ester. The concentration of storage lipids, TG, and wax ester showed a top-base gradient along the length, whereas the levels of free fatty acid and unknown lipids showed a base-top gradient. The proportions of polar lipid and sterol in the top portion of the branch were slightly higher than those in the base portion. This observation appeared to be compatible with the view that the increased energy expenditure for proliferation enhanced the mobilization of the storage fuel lipids of wax ester and TG rather than the structure lipids of polar lipids and sterols at the top portion of the branch. Compositions of fatty acid also showed a length-wise diversity. The top portion had a lower proportion of palmitic acid (16:0) in all lipid classes of fatty acid ester, suggesting that this fatty acid was preferentially mobilized at the top portion, probably for the growth of coral cells.

収録刊行物

  • Fisheries science : FS

    Fisheries science : FS 68(3), 517-522, 2002-06-01

    The Japanese Society of Fisheries Science

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各種コード

  • NII論文ID(NAID)
    10008557805
  • NII書誌ID(NCID)
    AA10993718
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09199268
  • NDL 記事登録ID
    6193962
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z54-H592
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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