Synthesis and Degradation of Lipid Bodies in the Scutella of Maize

  • Anthony H. C. Huang
  • Rongda Qu
  • Shue-mei Wang
  • Vicki B. Vance
  • Yi-zhi Cao
  • Yon-hui Lin


Most seeds contain storage lipids in the form of triacylglycerols, which usually comprise 20–50% of the total seed dry weight (1, 2, 3, 4). This lipid reserve is synthesized during seed maturation, and is rapidly mobilized to provide energy and carbon skeleton for the growth of the embryo during germination. The triacylglycerols are densely packed in subcellular organelles called lipid bodies (oleosomes, spherosomes, oil bodies). The spherical lipid body is about 0.5–1 μm in diameter, and is surrounded by a “half-unit” membrane of one monolayer of phospholipids about 3 nm thickness (5). The fatty acyl moieties of the membrane phospholipids are believed to orient themselves toward the matrix so that they can form hydrophobic interaction with the internal triacylglycerols.


Lipase Activity Lipid Body Castor Bean Seed Maturation Isocitrate Lyase 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Anthony H. C. Huang
    • 1
  • Rongda Qu
    • 1
  • Shue-mei Wang
    • 1
  • Vicki B. Vance
    • 1
  • Yi-zhi Cao
    • 1
  • Yon-hui Lin
    • 1
  1. 1.Biology DepartmentUniversity of South CarolinaColumbiaUSA

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