Proteoarchaeota (in some classifications)

E758102

Archaea lineage archaeal clade proposed taxon

Proteoarchaeota (in some classifications) is a proposed major archaeal clade that encompasses several deep-branching lineages thought to be closely related to the ancestors of eukaryotes.

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Observed surface forms (1)

Surface form	Occurrences
Proteoarchaeota	1

Statements (46)

Predicate	Object
instanceOf	Archaea lineage ⓘ archaeal clade ⓘ proposed taxon ⓘ
domain	Archaea NERFINISHED ⓘ
encompasses	Asgard superphylum NERFINISHED ⓘ Heimdallarchaeota NERFINISHED ⓘ Lokiarchaeota NERFINISHED ⓘ Odinarchaeota NERFINISHED ⓘ Thorarchaeota NERFINISHED ⓘ other deep-branching archaeal lineages ⓘ
hasCharacteristic	complex eukaryotic signature proteins ⓘ genes related to cytoskeleton ⓘ informational processing genes similar to eukaryotes ⓘ membrane-trafficking related genes ⓘ
hasMembersWith	slow growth in natural environments ⓘ small cell size (nano-sized archaea in some groups) ⓘ
hasPhylogeneticPosition	deep-branching within Archaea ⓘ
isAlternativeTo	TACK superphylum concept (in some classifications) ⓘ
isBasedOn	environmental sequencing ⓘ metagenomic data ⓘ
isCloselyRelatedTo	eukaryotes ⓘ eukaryotic ancestor ⓘ
isConsideredPartOf	Asgard archaea NERFINISHED ⓘ
isDeepBranchingLineage	true ⓘ
isDefinedBy	molecular phylogeny ⓘ phylogenomic analyses ⓘ
isHypothesizedToBe	closely related to eukaryogenesis ⓘ sister group of eukaryotes ⓘ
isMonophyletic	proposed ⓘ
isNotRecognizedBy	all taxonomic authorities ⓘ
isPartOf	TACK+Asgard radiation (in some schemes) ⓘ
isProposed	true ⓘ
isUsedIn	some archaeal classification schemes ⓘ
kingdom	Archaea NERFINISHED ⓘ
metabolism	anaerobic (in many lineages) ⓘ
nomenclatureStatus	informal name in many publications ⓘ
relatedConcept	eocyte hypothesis ⓘ two-domain tree of life ⓘ
relevance	important for archaeal phylogeny ⓘ key to understanding origin of eukaryotes ⓘ
researchStatus	active area of phylogenomic research ⓘ
taxonomicRank	clade ⓘ
taxonomicStatus	not universally accepted ⓘ
typicalHabitats	anoxic environments ⓘ hydrothermal environments ⓘ marine sediments ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

TACK superphylum → overlapsConceptuallyWith → Proteoarchaeota (in some classifications) ⓘ

Nitrosopumilus → kingdom → Proteoarchaeota (in some classifications) ⓘ

this entity surface form: Proteoarchaeota