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Ether Lipids of Planktonic Archaea in the Marine Water Column

By M. Hoefs, S. Schouten, J. W. De Leeuw, L. L. King, S. G. Wakeham and J. Damste

Abstract

Acyclic and cyclic biphytanes derived from the membrane ether lipids of archaea were found in water column particulate and sedimentary organic matter from several oxic and anoxic marine environments. Compound-specific isotope analyses of the carbon skeletons suggest that planktonic archaea utilize an isotopically heavy carbon source such as algal carbohydrates and proteins or dissolved bicarbonate. Due to their high preservation potential, these lipids provide a fossil record of planktonic archaea and suggest that they have thrived in marine environments for more than 50 million years

Topics: Research Article
OAI identifier: oai:pubmedcentral.nih.gov:1389224
Provided by: PubMed Central
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