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{{Short description|Proposed archaeal phylum}}
The '''Aigarchaeota''' are a proposed [[archaea]]l phylum of which the main representative is [[Caldiarchaeum subterraneum]].<ref>Nounouna, et al. (2011) ''NAR''. {{doi|10.1093/nar/gkq1228}}</ref> Some authors consider the group as part of [[Thaumarchaeota]].
{{Taxobox
| domain = [[Archaea]]
| regnum = "[[Proteoarchaeota]]"
| superphylum = [[TACK]]
| phylum = "'''Aigarchaeota'''"
| phylum_authority = Nunoura et al. 2011
| classis =
| ordo = "'''Caldarchaeales'''"
| ordo_authority = Rinke et al. 2020<ref>(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
</ref>
| subdivision_ranks = Families
| subdivision =
* "Caldarchaeaceae"
* "Wolframiiraptoraceae"
}}


The "'''Aigarchaeota'''" are a proposed [[archaea]]l phylum of which the main representative is ''[[Caldiarchaeum subterraneum]]''.<ref name=":0">{{cite journal|last1=Nunoura|first1=T|last2=Takaki|first2=Y|last3=Kakuta|first3=J|last4=Nishi|first4=S|last5=Sugahara|first5=J|last6=Kazama|first6=H|last7=Chee|first7=GJ|last8=Hattori|first8=M|last9=Kanai|first9=A|last10=Atomi|first10=H|last11=Takai|first11=K|last12=Takami|first12=H|title=Insights into the evolution of Archaea and eukaryotic protein modifier systems revealed by the genome of a novel archaeal group.|journal=Nucleic Acids Research|date=April 2011|volume=39|issue=8|pages=3204–23|doi=10.1093/nar/gkq1228|pmid=21169198|pmc=3082918}}.</ref> 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.<ref>{{cite journal|last1=Brochier-Armanet|first1=Celine|last2=Forterre|first2=Patrick |authorlink2=Patrick Forterre|last3=Gribaldo|first3=Simonetta|title=Phylogeny and evolution of the Archaea: One hundred genomes later|journal=Current Opinion in Microbiology|date=June 2011|volume=14|issue=3|pages=274–281|doi=10.1016/j.mib.2011.04.015|pmid=21632276}}.</ref> The name "''Aigarchaeota''" comes from the [[Greek language|Greek]] {{lang|el<!-- or grc for ancien greek? -->|αυγή}}, ''avgí'', meaning "dawn" or "aurora", for the intermediate features of hyperthermophilic and mesophilic life during the evolution of its lineage.<ref name=":0" />
{{reflist}}


==Taxonomy==
== Further reading ==
{{cladogram|title=Phylogeny of Caldarchaeales<ref name="about">{{cite web |title=GTDB release 08-RS214 |url=https://gtdb.ecogenomic.org/about#4%7C |website=[[Genome Taxonomy Database]]|access-date=10 May 2023}}</ref><ref name="tree">{{cite web |title=ar53_r214.sp_label |url=https://data.gtdb.ecogenomic.org/releases/release214/214.0/auxillary_files/ar53_r214.sp_labels.tree |website=[[Genome Taxonomy Database]]|access-date=10 May 2023}}</ref><ref name="taxon_history">{{cite web |title=Taxon History |url=https://gtdb.ecogenomic.org/taxon_history/ |website=[[Genome Taxonomy Database]]|access-date=10 May 2023}}</ref>|
* {{cite journal|last1=Martijan|first1=Joran|last2=Ettema|first2=Thijs J. G.|title=From archaeon to eukaryote: the evolutionary dark ages of the eukaryotic cell|journal=Biochemical Society Transactions|date=February 2013|volume=41|issue=Part 1|pages=451-457|doi=10.1042/BST20120292|pmid=23356327|accessdate=11 November 2014}}
{{clade|style=font-size:90%;line-height:90%;width:450px
|1={{Clade
|label1="Caldarchaeaceae"
|1={{Clade
|1="''Ca.'' [[Caldarchaeum subterraneum]]"
|2="''Ca.'' [[Calditenuis aerorheumatis]]"
}}
|label2="Wolframiiraptoraceae"
|2={{Clade
|1={{Clade
|label1="''Ca.'' [[Terraquivivens]]"
|1={{Clade
|1={{Clade
|1="''Ca.'' T. ruidianensis"
|2="''Ca.'' T. tikiterensis"
}}
|2={{Clade
|1="''Ca.'' T. tengchongensis"
|2="''Ca.'' T. yellowstonensis"
}}
}}
}}
|2={{Clade
|1={{Clade
|label1="''Ca.'' [[Geocrenenecus]]"
|1={{Clade
|1="''Ca.'' G. dongiae"
|2={{Clade
|1="''Ca.'' G. arthurdayi"
|2="''Ca.'' G. huangii"
}}
}}
}}
|2={{Clade
|1="''Ca.'' [[Benthortus lauensis]]"
|2={{Clade
|label1="''Ca.'' [[Wolframiiraptor]]"
|1={{Clade
|1="''Ca.'' W. sinensis"
|2={{Clade
|1="''Ca.'' W. allenii"
|2="''Ca.'' W. gerlachensis"
}}
}}
}}
}}
}}
}}
}}
}}
}}


* '''Family''' "'''Caldarchaeaceae'''" <small>Rinke et al. 2020</small>
* {{cite journal|last1=Meng|first1=Jun|last2=Xu|first2=Jun|last3=Qin|first3=Dan|last4=He|first4=Ying|last5=Xiao|first5=Xiang|last6=Wang|first6=Fengping|title=Genetic and functional properties of uncultivated MCG archaea assessed by metagenome and gene expression analyses|journal=The ISME Journal|date=March 2014|volume=8|issue=3|page=650-659|doi=10.1038/ismej.2013.174|pmid=24108328|url=http://www.nature.com/ismej/index.html}}
** Genus "''Candidatus'' [[Caldarchaeum]]" <small>corrig. Nunoura et al. 2011</small><ref>{{cite web| author = Sayers| title=Thaumarchaeota |url=https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Undef&id=651137&lvl=3&p=has_linkout&p=blast_url&p=genome_blast&lin=f&keep=1&srchmode=1&unlock | access-date=2021-06-05| publisher=[[National Center for Biotechnology Information]] (NCBI) taxonomy database |display-authors=et al.}}</ref><ref>{{cite web |title=GTDB release 06-RS202 |url=https://gtdb.ecogenomic.org/about#4%7C |website=[[Genome Taxonomy Database]]}}</ref>
*** "''Ca.'' C. subterraneum" <small>corrig. Nunoura et al. 2011</small>
** Genus "''Candidatus'' [[Calditenuis]]" <small>Beam et al. 2016</small>
*** "''Ca.'' C. aerorheumensis" <small>Beam et al. 2016</small>
* '''Family''' "'''Wolframiiraptoraceae'''" <small>Buessecker et al. 2022</small>
** Genus "''Candidatus'' [[Benthortus]]" <small>Buessecker et al. 2022</small>
*** "''Ca.'' B. lauensis" <small>Buessecker et al. 2022</small>
** Genus "''Candidatus'' [[Geocrenenecus]]" <small>Buessecker et al. 2022</small>
*** "''Ca.'' G. arthurdayi" <small>Buessecker et al. 2022</small>
*** "''Ca.'' G. dongiae" <small>Buessecker et al. 2022</small>
*** "''Ca.'' G. huangii" <small>Buessecker et al. 2022</small>
** Genus "''Candidatus'' [[Terraquivivens]]" <small>Buessecker et al. 2022</small>
*** "''Ca.'' T. ruidianensis" <small>Buessecker et al. 2022</small>
*** "''Ca.'' T. tengchongensis" <small>Buessecker et al. 2022</small>
*** "''Ca.'' T. tikiterensis" <small>Buessecker et al. 2022</small>
*** "''Ca.'' T. yellowstonensis" <small>Buessecker et al. 2022</small>
** Genus "''Candidatus'' [[Wolframiiraptor]]" <small>Buessecker et al. 2022</small>
*** "''Ca.'' W. allenii" <small>Buessecker et al. 2022</small>
*** "''Ca.'' W. gerlachensis" <small>Buessecker et al. 2022</small>
*** "''Ca.'' W. sinensis" <small>Buessecker et al. 2022</small>


==See also==
* {{cite journal|last1=Yutin|first1=Natalya|last2=Koonin|first2=Eugene V.|title=The Dispersed Archaeal Eukaryome and the Comple Archaeal Ancestor of Eukaryotes|journal=Cold Spring Harbor Perspectives in Biology|date=April 2014|volume=6|issue=4|pages=Article No.: a016188|doi=10.1101/cshperspect.a016188|accessdate=10 November 2014}}
* [[List of Archaea genera]]


== References ==
{{Reflist}}


== Further reading ==
[[Category:Archaea]]
* {{cite journal|last1=Martijan|first1=Joran|last2=Ettema|first2=Thijs J. G.|title=From archaeon to eukaryote: the evolutionary dark ages of the eukaryotic cell|journal=Biochemical Society Transactions|date=February 2013|volume=41|issue=Part 1|pages=451–457|doi=10.1042/BST20120292|pmid=23356327}}
* {{cite journal|last1=Meng|first1=Jun|last2=Xu|first2=Jun|last3=Qin|first3=Dan|last4=He|first4=Ying|last5=Xiao|first5=Xiang|last6=Wang|first6=Fengping|title=Genetic and functional properties of uncultivated MCG archaea assessed by metagenome and gene expression analyses|journal=The ISME Journal|date=March 2014|volume=8|issue=3|pages=650–659|doi=10.1038/ismej.2013.174|pmid=24108328|url= |pmc=3930316}}
* {{cite journal|last1=Yutin|first1=Natalya|last2=Koonin|first2=Eugene V.|title=The Dispersed Archaeal Eukaryome and the Complex Archaeal Ancestor of Eukaryotes|journal=Cold Spring Harbor Perspectives in Biology|date=April 2014|volume=6|issue=4|pages=a016188|doi=10.1101/cshperspect.a016188|pmid=24691961|pmc=3970416}}


{{Archaea classification}}
{{Taxonbar|from=Q4033604}}
[[Category:Archaea phyla]]
{{Archaea-stub}}
{{Archaea-stub}}

Latest revision as of 07:17, 22 June 2023

Aigarchaeota
Scientific classification
Domain:
Archaea
Kingdom:
"Proteoarchaeota"
Superphylum:
TACK
Phylum:
"Aigarchaeota"

Nunoura et al. 2011
Order:
"Caldarchaeales"

Rinke et al. 2020[1]
Families
  • "Caldarchaeaceae"
  • "Wolframiiraptoraceae"

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]

Taxonomy[edit]

Phylogeny of Caldarchaeales[4][5][6]
"Caldarchaeaceae"
"Wolframiiraptoraceae"
"Ca. Terraquivivens"

"Ca. T. ruidianensis"

"Ca. T. tikiterensis"

"Ca. T. tengchongensis"

"Ca. T. yellowstonensis"

"Ca. Geocrenenecus"

"Ca. G. dongiae"

"Ca. G. arthurdayi"

"Ca. G. huangii"

"Ca. Benthortus lauensis"

"Ca. Wolframiiraptor"

"Ca. W. sinensis"

"Ca. W. allenii"

"Ca. W. gerlachensis"

  • 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

See also[edit]

References[edit]

  1. ^ (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
  2. ^ a b 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..
  3. ^ Brochier-Armanet, Celine; Forterre, Patrick; Gribaldo, Simonetta (June 2011). "Phylogeny and evolution of the Archaea: One hundred genomes later". Current Opinion in Microbiology. 14 (3): 274–281. doi:10.1016/j.mib.2011.04.015. PMID 21632276..
  4. ^ "GTDB release 08-RS214". Genome Taxonomy Database. Retrieved 10 May 2023.
  5. ^ "ar53_r214.sp_label". Genome Taxonomy Database. Retrieved 10 May 2023.
  6. ^ "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2023.
  7. ^ Sayers; et al. "Thaumarchaeota". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-06-05.
  8. ^ "GTDB release 06-RS202". Genome Taxonomy Database.

Further reading[edit]

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