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Appl. Environ. Microbiol., Aug 1997, 3090-3095, Vol 63, No. 8
MJL Hoefs, S Schouten, JW De Leeuw, LL King, SG Wakeham and JSS Damste
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.
Copyright © 1997, American Society for Microbiology
Ether Lipids of Planktonic Archaea in the Marine Water Column
Institute of Earth Sciences, Utrecht University, 3508 TA Utrecht, and Division of Marine Biogeochemistry and Toxicology, Netherlands Institute for Sea Research, 1797 SZ 't Horatje, Texel, The Netherlands, and Skidaway Institute of Oceanography, Savannah, Georgia 31411
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