Life
Strange microbes give clues to the ancestor of all complex life
The origin of complex eukaryotic cells, of the type found in all plants and animals, is shrouded in mystery. Now, strange microbes from wetlands in China are helping us to understand when they first emerged, and what they were like
By Michael Marshall
7 May 2025
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An artist’s impression of Earth in the Archaean Eon, 3.8 billion to 2.5 billion years agoCHRISTIAN JEGOU/SCIENCE PHOTO LIBRARY
Mysterious microbes living in wetlands in China have helped to narrow down when the ancestor of all animals and plants lived – and the oxygenation of Earth’s atmosphere may have played a key role in its emergence.
The new data brings us a step closer to understanding “an event which happened billions of years ago”, says Burak Avcı at Aarhus University in Denmark.
Read moreA whole new world of tiny beings challenges fundamental ideas of life
This event was…
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