The "Aigarchaeota" are a proposed archaeal phylum of which the main representative is Caldiarchaeum subterraneum.[2] It is not yet clear if this represents a new phylum or a Nitrososphaerota order, since the genome of Caldiarchaeum subterraneum encodes several Nitrososphaerota-like features.[3] The name "Aigarchaeota" comes from the Greek αυγή, avgí, meaning "dawn" or "aurora", for the intermediate features of hyperthermophilic and mesophilic life during the evolution of its lineage.[2]
Quick Facts Scientific classification, Families ...
Aigarchaeota |
Scientific classification |
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Phylum: |
"Aigarchaeota"
Nunoura et al. 2011 |
Order: |
"Caldarchaeales"
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Families |
- "Caldarchaeaceae"
- "Wolframiiraptoraceae"
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Phylogeny of Caldarchaeales[4][5][6] |
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"Caldarchaeaceae" |
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"Ca. Caldarchaeum subterraneum" |
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"Ca. Calditenuis aerorheumatis" |
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"Wolframiiraptoraceae" |
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"Ca. Terraquivivens" |
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"Ca. T. ruidianensis" |
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"Ca. T. tikiterensis" |
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"Ca. T. tengchongensis" |
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"Ca. T. yellowstonensis" |
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"Ca. Geocrenenecus" |
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"Ca. G. dongiae" |
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"Ca. G. arthurdayi" |
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"Ca. G. huangii" |
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"Ca. Benthortus lauensis" |
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"Ca. Wolframiiraptor" |
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"Ca. W. sinensis" |
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"Ca. W. allenii" |
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"Ca. W. gerlachensis" |
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- Family "Caldarchaeaceae" Rinke et al. 2020
- Genus "Candidatus Caldarchaeum" corrig. Nunoura et al. 2011[7][8]
- "Ca. C. subterraneum" corrig. Nunoura et al. 2011
- Genus "Candidatus Calditenuis" Beam et al. 2016
- "Ca. C. aerorheumensis" Beam et al. 2016
- Family "Wolframiiraptoraceae" Buessecker et al. 2022
- Genus "Candidatus Benthortus" Buessecker et al. 2022
- "Ca. B. lauensis" Buessecker et al. 2022
- Genus "Candidatus Geocrenenecus" Buessecker et al. 2022
- "Ca. G. arthurdayi" Buessecker et al. 2022
- "Ca. G. dongiae" Buessecker et al. 2022
- "Ca. G. huangii" Buessecker et al. 2022
- Genus "Candidatus Terraquivivens" Buessecker et al. 2022
- "Ca. T. ruidianensis" Buessecker et al. 2022
- "Ca. T. tengchongensis" Buessecker et al. 2022
- "Ca. T. tikiterensis" Buessecker et al. 2022
- "Ca. T. yellowstonensis" Buessecker et al. 2022
- Genus "Candidatus Wolframiiraptor" Buessecker et al. 2022
- "Ca. W. allenii" Buessecker et al. 2022
- "Ca. W. gerlachensis" Buessecker et al. 2022
- "Ca. W. sinensis" Buessecker et al. 2022
(2020) Christian Rinke, Maria Chuvochina, Aaron J. Mussig, Pierre-Alain Chaumeil, Adrian A. Davin, David W. Waite, William B Whitman, Donovan H. Parks, Philip Hugenholtz, Resolving widespread incomplete and uneven archaeal classifications based on a rank-normalized genome-based taxonomy
Nunoura, T; Takaki, Y; Kakuta, J; Nishi, S; Sugahara, J; Kazama, H; Chee, GJ; Hattori, M; Kanai, A; Atomi, H; Takai, K; Takami, H (April 2011). "Insights into the evolution of Archaea and eukaryotic protein modifier systems revealed by the genome of a novel archaeal group". Nucleic Acids Research. 39 (8): 3204–23. doi:10.1093/nar/gkq1228. PMC 3082918. PMID 21169198..
- Martijan, Joran; Ettema, Thijs J. G. (February 2013). "From archaeon to eukaryote: the evolutionary dark ages of the eukaryotic cell". Biochemical Society Transactions. 41 (Part 1): 451–457. doi:10.1042/BST20120292. PMID 23356327.
- Meng, Jun; Xu, Jun; Qin, Dan; He, Ying; Xiao, Xiang; Wang, Fengping (March 2014). "Genetic and functional properties of uncultivated MCG archaea assessed by metagenome and gene expression analyses". The ISME Journal. 8 (3): 650–659. doi:10.1038/ismej.2013.174. PMC 3930316. PMID 24108328.
- Yutin, Natalya; Koonin, Eugene V. (April 2014). "The Dispersed Archaeal Eukaryome and the Complex Archaeal Ancestor of Eukaryotes". Cold Spring Harbor Perspectives in Biology. 6 (4): a016188. doi:10.1101/cshperspect.a016188. PMC 3970416. PMID 24691961.