Planktonic Euryarchaeota are a significant source of archaeal tetraether lipids in the ocean.

  title={Planktonic Euryarchaeota are a significant source of archaeal tetraether lipids in the ocean.},
  author={Sara A. Lincoln and Brenner Wai and John M. Eppley and Matthew Church and Roger E Summons and Edward F DeLong},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={111 27},
Archaea are ubiquitous in marine plankton, and fossil forms of archaeal tetraether membrane lipids in sedimentary rocks document their participation in marine biogeochemical cycles for >100 million years. Ribosomal RNA surveys have identified four major clades of planktonic archaea but, to date, tetraether lipids have been characterized in only one, the Marine Group I Thaumarchaeota. The membrane lipid composition of the other planktonic archaeal groups--all uncultured Euryarchaeota--is… CONTINUE READING
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