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A 2026 Nature paper reports that Asgard archaea, the closest known archaeal relatives of eukaryotes, move by crawling using dynamic protrusions.
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SUPPORTED
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Is it true that a 2026 Nature paper reports that Asgard archaea, the closest known archaeal relatives of eukaryotes, move by crawling using dynamic protrusions?
Yes. A 2026 Nature paper (crossref-6) reports that Asgard archaea, the closest known prokaryotic relatives of eukaryotes, dynamically extend and retract protrusions and use them to crawl on glass surfaces, with actin inhibitors arresting the motion. A related preprint (synthesis_lit-7) reports the same crawling behavior, and a review (serper_web-2) notes ameboid-like migration in Asgard cells.
Verdict: SUPPORTED · 3 sources for, 0 against · Last checked
Evidence for · 3
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Asgard archaea: have we found our microbial ancestors? - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1038/s44318-026-00719-x
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Radler, P., Viehboeck, T., Luo, Z., Maslać, N., Schmidt, K., Hauschild, R., Nobu, M. K., Bulgheresi, S., Stradal, T. E. B., Rottner, K., Imachi, H., Sixt, M., & Schleper, C. (2026). Dynamic protrusions mediate crawling motility in Asgard archaea. doi.org. https://doi.org/10.1038/s41586-026-11063-9
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Radler, P., Viehboeck, T., Luo, Z., Maslać, N., Schmidt, K., Hauschild, R., Nobu, M., Bulgheresi, S., Stradal, T. E., Rottner, K., Imachi, H., Sixt, M., & Schleper, C. (2025). Dynamic protrusions mediate unique crawling motility in Asgard Archaea (Promethearchaeota). doi.org. https://doi.org/10.1101/2025.11.30.690169
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