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. 1997 Aug;63(8):3090-5.
doi: 10.1128/aem.63.8.3090-3095.1997.

Ether lipids of planktonic archaea in the marine water column

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

Ether lipids of planktonic archaea in the marine water column

M Hoefs et al. Appl Environ Microbiol. 1997 Aug.

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.

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