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Ancient Asgard Archaea Linked to Complex Cell Evolution

4/10/2026

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Summary

Story summary

Researchers identify Asgard archaea as the closest relatives of eukaryotes.
At Gathaagudu, Australia, the team studied stromatolites and observed direct interactions indicating nutrient sharing.
Their findings suggest that an ancient partnership between Asgard archaea and bacteria led to the formation of complex cells.
The archaeon Nerearchaeum marumarumayae was named to honor Indigenous culture, with the meaning "ancient home."

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Story summary

Researchers identify Asgard archaea as the closest relatives of eukaryotes.
At Gathaagudu, Australia, the team studied stromatolites and observed direct interactions indicating nutrient sharing.
Their findings suggest that an ancient partnership between Asgard archaea and bacteria led to the formation of complex cells.
The archaeon Nerearchaeum marumarumayae was named to honor Indigenous culture, with the meaning "ancient home."