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Complex archaea that bridge the gap between prokaryotes and eukaryotes

Author

Listed:
  • Anja Spang

    (Science for Life Laboratory, Uppsala University)

  • Jimmy H. Saw

    (Science for Life Laboratory, Uppsala University)

  • Steffen L. Jørgensen

    (Centre for Geobiology, University of Bergen)

  • Katarzyna Zaremba-Niedzwiedzka

    (Science for Life Laboratory, Uppsala University)

  • Joran Martijn

    (Science for Life Laboratory, Uppsala University)

  • Anders E. Lind

    (Science for Life Laboratory, Uppsala University)

  • Roel van Eijk

    (Science for Life Laboratory, Uppsala University
    †Present address: Groningen Institute for Evolutionary Life Sciences, University of Groningen, NL-9747AG Groningen, The Netherlands.)

  • Christa Schleper

    (Centre for Geobiology, University of Bergen
    University of Vienna)

  • Lionel Guy

    (Science for Life Laboratory, Uppsala University
    Uppsala University)

  • Thijs J. G. Ettema

    (Science for Life Laboratory, Uppsala University)

Abstract

The origin of the eukaryotic cell remains one of the most contentious puzzles in modern biology. Recent studies have provided support for the emergence of the eukaryotic host cell from within the archaeal domain of life, but the identity and nature of the putative archaeal ancestor remain a subject of debate. Here we describe the discovery of ‘Lokiarchaeota’, a novel candidate archaeal phylum, which forms a monophyletic group with eukaryotes in phylogenomic analyses, and whose genomes encode an expanded repertoire of eukaryotic signature proteins that are suggestive of sophisticated membrane remodelling capabilities. Our results provide strong support for hypotheses in which the eukaryotic host evolved from a bona fide archaeon, and demonstrate that many components that underpin eukaryote-specific features were already present in that ancestor. This provided the host with a rich genomic ‘starter-kit’ to support the increase in the cellular and genomic complexity that is characteristic of eukaryotes.

Suggested Citation

  • Anja Spang & Jimmy H. Saw & Steffen L. Jørgensen & Katarzyna Zaremba-Niedzwiedzka & Joran Martijn & Anders E. Lind & Roel van Eijk & Christa Schleper & Lionel Guy & Thijs J. G. Ettema, 2015. "Complex archaea that bridge the gap between prokaryotes and eukaryotes," Nature, Nature, vol. 521(7551), pages 173-179, May.
    • Handle: RePEc:nat:nature:v:521:y:2015:i:7551:d:10.1038_nature14447
    DOI: 10.1038/nature14447
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    Cited by:

    1. Tara A. Mahendrarajah & Edmund R. R. Moody & Dominik Schrempf & Lénárd L. Szánthó & Nina Dombrowski & Adrián A. Davín & Davide Pisani & Philip C. J. Donoghue & Gergely J. Szöllősi & Tom A. Williams & , 2023. "ATP synthase evolution on a cross-braced dated tree of life," Nature Communications, Nature, vol. 14(1), pages 1-18, December.
    2. Tomoyuki Hatano & Saravanan Palani & Dimitra Papatziamou & Ralf Salzer & Diorge P. Souza & Daniel Tamarit & Mehul Makwana & Antonia Potter & Alexandra Haig & Wenjue Xu & David Townsend & David Rochest, 2022. "Asgard archaea shed light on the evolutionary origins of the eukaryotic ubiquitin-ESCRT machinery," Nature Communications, Nature, vol. 13(1), pages 1-16, December.
    3. Clément Madru & Markel Martínez-Carranza & Sébastien Laurent & Alessandra C. Alberti & Maelenn Chevreuil & Bertrand Raynal & Ahmed Haouz & Rémy A. Meur & Marc Delarue & Ghislaine Henneke & Didier Flam, 2023. "DNA-binding mechanism and evolution of replication protein A," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    4. Zhiguang Qiu & Li Yuan & Chun-Ang Lian & Bin Lin & Jie Chen & Rong Mu & Xuejiao Qiao & Liyu Zhang & Zheng Xu & Lu Fan & Yunzeng Zhang & Shanquan Wang & Junyi Li & Huiluo Cao & Bing Li & Baowei Chen & , 2024. "BASALT refines binning from metagenomic data and increases resolution of genome-resolved metagenomic analysis," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    5. Jonathan Filée & Hubert F. Becker & Lucille Mellottee & Rima Zein Eddine & Zhihui Li & Wenlu Yin & Jean-Christophe Lambry & Ursula Liebl & Hannu Myllykallio, 2023. "Bacterial origins of thymidylate metabolism in Asgard archaea and Eukarya," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    6. Leonardo Betancurt-Anzola & Markel Martínez-Carranza & Marc Delarue & Kelly M. Zatopek & Andrew F. Gardner & Ludovic Sauguet, 2023. "Molecular basis for proofreading by the unique exonuclease domain of Family-D DNA polymerases," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    7. Liyanage D. Fernando & Yordanis Pérez-Llano & Malitha C. Dickwella Widanage & Anand Jacob & Liliana Martínez-Ávila & Andrew S. Lipton & Nina Gunde-Cimerman & Jean-Paul Latgé & Ramón Alberto Batista-Ga, 2023. "Structural adaptation of fungal cell wall in hypersaline environment," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    8. Luís António Menezes Carreira & Dobromir Szadkowski & Stefano Lometto & Georg. K. A. Hochberg & Lotte Søgaard-Andersen, 2023. "Molecular basis and design principles of switchable front-rear polarity and directional migration in Myxococcus xanthus," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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