Dynamic protrusions mediate crawling motility in Asgard archaea

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- Nature, Published online: 30 September 2026; doi:10.1038/s41586-026-11063-9 Anoxic live-cell imaging shows actin-dependent crawling motility and dynamic protrusions in Asgard archaea, providing insights into cellular innovations that may have contributed to eukaryotic evolution.
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- Asgard archaea, our closest known microbial relatives, play a key role in current models of the origin of more complex organisms, known as eukaryotes (all animals, plants, protists and fungi). However, their biology has so far been poorly understood.