Candidatus Lokiarchaeum

"Candidatus Lokiarchaeum"
Scientific classification Edit this classification
Domain: Archaea
Kingdom: Promethearchaeati
Phylum: Promethearchaeota
Class: Promethearchaeia
Order: Promethearchaeales
Family: Promethearchaeaceae
Genus:
"Candidatus Lokiarchaeum"

corrig. Spang et al., 2015
Species:
"Candidatus Lokiarchaeum ossiferum"
Binomial name
"Candidatus Lokiarchaeum ossiferum"
Rodrigues-Oliveira et al., 2023
Synonyms

"Ca. Lokiarchaeon" Sousa et al., 2016[1]

"Candidatus Lokiarchaeum" is the first discovered genus of Promethearchaeati, the kingdom that eukaryotes emerged from. It belongs to the family Promethearchaeaceae and contains the sole species "Candidatus Lokiarchaeum ossiferum".[2][3][4][5]

Discovery and nomenclature

"Candidatus Lokiarchaeum" was described in 2015 and was assigned to the phylum "Ca. Lokiarchaeota".[2] In 2017, "Ca. Lokiarchaeota" was assigned to the superphylum "Ca. Asgard", as well as other phyla.[6] Later, the superphylum "Ca. Asgard" was de-ranked to phylum "Ca. Asgardarchaeota" and "Ca. Lokiarchaeota" was de-ranked to class "Ca. Lokiarchaeia". Other "Ca. Asgard" phyla were also de-ranked to classes.[7][8] In 2023, the species "Ca. Lokiarchaeum ossiferum" was described.[3] In 2024, "Ca. Asgardarchaeota" was renamed to Promethearchaeota and "Ca. Lokiarchaeia" was renamed to Promethearchaeia.[4]

References

  1. ^ Sousa, Filipa L.; Neukirchen, Sinje; Allen, John F.; Lane, Nick; Martin, William F. (2016-04-04). "Lokiarchaeon is hydrogen dependent". Nature Microbiology. 1 (5): 16034. doi:10.1038/nmicrobiol.2016.34. ISSN 2058-5276.
  2. ^ a b Spang, Anja; Saw, Jimmy H.; Jørgensen, Steffen L.; Zaremba-Niedzwiedzka, Katarzyna; Martijn, Joran; Lind, Anders E.; van Eijk, Roel; Schleper, Christa; Guy, Lionel; Ettema, Thijs J. G. (2015-05-06). "Complex archaea that bridge the gap between prokaryotes and eukaryotes". Nature. 521 (7551): 173–179. doi:10.1038/nature14447. ISSN 1476-4687. PMC 4444528. PMID 25945739.
  3. ^ a b Rodrigues-Oliveira, Thiago; Wollweber, Florian; Ponce-Toledo, Rafael I.; Xu, Jingwei; Rittmann, Simon K.-M. R.; Klingl, Andreas; Pilhofer, Martin; Schleper, Christa (2022-12-21). "Actin cytoskeleton and complex cell architecture in an Asgard archaeon". Nature. 613 (7943): 332–339. doi:10.1038/s41586-022-05550-y. ISSN 1476-4687. PMC 9834061. PMID 36544020.
  4. ^ a b Imachi, Hiroyuki; Nobu, Masaru K.; Kato, Shingo; Takaki, Yoshihiro; Miyazaki, Masayuki; Miyata, Makoto; Ogawara, Miyuki; Saito, Yumi; Sakai, Sanae; Tahara, Yuhei O.; Takano, Yoshinori; Tasumi, Eiji; Uematsu, Katsuyuki; Yoshimura, Toshihiro; Itoh, Takashi (2024). "Promethearchaeum syntrophicum gen. nov., sp. nov., an anaerobic, obligately syntrophic archaeon, the first isolate of the lineage 'Asgard' archaea, and proposal of the new archaeal phylum Promethearchaeota phyl. nov. and kingdom Promethearchaeati regn. nov". International Journal of Systematic and Evolutionary Microbiology. 74 (7): 006435. doi:10.1099/ijsem.0.006435. ISSN 1466-5034. PMC 11316595. PMID 38967634.
  5. ^ taxonomy. "Taxonomy browser (Candidatus Lokiarchaeum)". www.ncbi.nlm.nih.gov. Retrieved 2025-08-04.
  6. ^ Zaremba-Niedzwiedzka, Katarzyna; Caceres, Eva F.; Saw, Jimmy H.; Bäckström, Disa; Juzokaite, Lina; Vancaester, Emmelien; Seitz, Kiley W.; Anantharaman, Karthik; Starnawski, Piotr; Kjeldsen, Kasper U.; Stott, Matthew B.; Nunoura, Takuro; Banfield, Jillian F.; Schramm, Andreas; Baker, Brett J. (2017-01-11). "Asgard archaea illuminate the origin of eukaryotic cellular complexity". Nature. 541 (7637): 353–358. doi:10.1038/nature21031. ISSN 1476-4687.
  7. ^ Zhu, Pengfei; Hou, Jialin; Xiong, Yixuan; Xie, Ruize; Wang, Yinzhao; Wang, Fengping (2024-03-30). "Expanded Archaeal Genomes Shed New Light on the Evolution of Isoprenoid Biosynthesis". Microorganisms. 12 (4): 707. doi:10.3390/microorganisms12040707. ISSN 2076-2607. PMC 11052028. PMID 38674651.
  8. ^ Lu, Zhongyi; Xia, Runyue; Zhang, Siyu; Pan, Jie; Liu, Yang; Wolf, Yuri I.; Koonin, Eugene V.; Li, Meng (2024-01-15). "Evolution of optimal growth temperature in Asgard archaea inferred from the temperature dependence of GDP binding to EF-1A". Nature Communications. 15 (1): 515. doi:10.1038/s41467-024-44806-1. ISSN 2041-1723. PMC 10789797. PMID 38225278.
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