Lipid Accumulation in Silicon-Deficient Diatoms

  • Paul G. Roessler


Previous studies have shown that the lipid contents of the the diatoms Navicula pelliculosa (2) and Cyclotella cryptica (3) increase significantly in response to silicon deficiency. The chemical nature of the lipids produced under these conditions was not determined, however. Furthermore, the biochemical mechanisms responsible for this switch to lipid accumulation have never been elucidated. The research described in this paper was therefore undertaken in an effort to further investigate the regulation of lipid biosynthesis in Si-deficient diatoms.


Lipid Content Lipid Accumulation Neutral Lipid Fraction Thalassiosira Pseudonana Lipid Mass 
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    Coombs, J., W.M. Darley, O. Holm-Hansen, and B.E. Volcani. 1967. Plant Physiol 42: 1601–1606.PubMedCrossRefGoogle Scholar
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    Werner, D. 1966. Arch. Mikrobiol. 55: 278–308.CrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Paul G. Roessler
    • 1
  1. 1.Biotechnology Research BranchSolar Energy Research InstituteGoldenUSA

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