Genetic methods enable the use of fossil lipids as biomarkers for oxygen-producing primordial bacteria

PHYSorg
Oct 27, 2023, 11:33 am309 pts
Cyanobacteria are a key species in Earth's history, as they introduced atmospheric oxygen for the first time. The analysis of their evolution therefore provides important insights into the formation of modern aerobic ecosystems. For a long time, a certain type of fossil lipid, so-called 2-methylhopanes, was…

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