Paleoproterozoic sterol biosynthesis and the rise of oxygen

@article{Gold2017PaleoproterozoicSB,
  title={Paleoproterozoic sterol biosynthesis and the rise of oxygen},
  author={David A. Gold and Abigail M. Caron and Gregory P Fournier and Roger Everett Summons},
  journal={Nature},
  year={2017},
  volume={543},
  pages={420-423}
}
Natural products preserved in the geological record can function as ‘molecular fossils’, providing insight into organisms and physiologies that existed in the deep past. One important group of molecular fossils is the steroidal hydrocarbons (steranes), which are the diagenetic remains of sterol lipids. Complex sterols with modified side chains are unique to eukaryotes, although simpler sterols can also be synthesized by a few bacteria. Sterol biosynthesis is an oxygen-intensive process; thus… Expand
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