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Defense system common to all life came from 'Asgard'
Named Asgard archaea because they were collected from ... these proteins have evolved so little over the eons "speaks to the ...
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Ancient microbes linked to evolution of human immune proteins
This research bolsters the idea that all complex life, called eukaryotes, arose from a symbiotic relationship between bacteria and Asgard archaea. "It adds more support to the fact that the ...