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We often picture eukaryogenesis as a symbiosis between two lineages: an archaeal host & the ancestor of mitochondria.
But what if the origin of eukaryotes emerged within a much more complex microbial ecosystem?
A fascinating study from @tonigabaldon.bsky.social et al. explores exactly this. 🧵
Iñaki Ruiz-Trillo
Our paper "Gene ancestries reveal diverse microbial associations during eukaryogenesis.” is finally out in Nature.
Eukaryogenesis was likely a gradual process shaped by multiple microbial partners and virus-mediated gene transfer, rather than a single binary symbiosis.
doi.org/10.1038/s415...