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Taxonomic implication of sterol composition in the genusChlorella

  • Symposium: Sterols Held at the AOCS Annual Meeting in New Orleans, LA, May 17–21, 1981
  • Published:
Lipids

Abstract

Thirty-five isolates of the genusChlorella were grown under standardized conditions and analyzed for sterol composition. Six different sterol synthetic patterns were found. Two patterns were characterized by nuclear unsaturation at C-5 and one type by nuclear unsaturation at C-7. The remaining isolates all synthesize sterols with a diunsaturated nucleus (C-5+C-7) with various modifications. Subtype 1 synthesizes only C28 sterols, subtype 2 produces C28 and C29 sterols, and subtype 3 (1 isolate) produces C28 sterols with nuclear unsaturation at C-5+C-8 in addition to the Δ5,7 C28 sterols seen in the first 2 subtypes. Comparison of the sterol composition of strains shared in common with taxonomic researchers showed good correlation with the taxonomic scheme of Fott and Novakova which has been confirmed by Kessler and coworkers using other biochemical markers.

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Authors and Affiliations

  1. Department of Botany, Univesity of Maryland, 20742, College Park, MD

    Marcia J. Holden & Glenn W. Patterson

Authors
  1. Marcia J. Holden
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  2. Glenn W. Patterson
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Additional information

Scientific article no. A-3030, contribution no. 6093 of the Maryland Agricultural Experiment Station.

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Holden, M.J., Patterson, G.W. Taxonomic implication of sterol composition in the genusChlorella . Lipids 17, 215–219 (1982). https://doi.org/10.1007/BF02535106

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  • DOI: https://doi.org/10.1007/BF02535106

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