Pyrobaculum aerophilum
E221201
Pyrobaculum aerophilum is a hyperthermophilic archaeon that thrives in extremely high-temperature, often sulfur-rich environments and serves as a model organism for studying the biology of Crenarchaeota.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pyrobaculum aerophilum canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1891869 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pyrobaculum aerophilum Context triple: [Crenarchaeota, hasRepresentative, Pyrobaculum aerophilum]
-
A.
Ignicoccus hospitalis
Ignicoccus hospitalis is a hyperthermophilic archaeon that thrives in extremely hot, sulfur-rich environments and is notable for its unique cell envelope and symbiotic association with the nanoarchaeon Nanoarchaeum equitans.
-
B.
Sulfolobus solfataricus
Sulfolobus solfataricus is a thermoacidophilic archaeon commonly found in volcanic hot springs, widely used as a model organism for studying extremophile biology and archaeal molecular processes.
-
C.
Thermoproteus tenax
Thermoproteus tenax is a hyperthermophilic archaeon that thrives in extremely hot, acidic environments such as volcanic hot springs.
-
D.
Korarchaeota
Korarchaeota are a deeply branching, poorly understood lineage of Archaea typically found in high-temperature environments and known mainly from environmental DNA rather than cultivated representatives.
-
E.
Crenarchaeota
Crenarchaeota is a major phylum of Archaea that includes many thermophilic and chemolithoautotrophic microorganisms commonly found in extreme environments such as hot springs and deep-sea hydrothermal vents.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pyrobaculum aerophilum Target entity description: Pyrobaculum aerophilum is a hyperthermophilic archaeon that thrives in extremely high-temperature, often sulfur-rich environments and serves as a model organism for studying the biology of Crenarchaeota.
-
A.
Ignicoccus hospitalis
Ignicoccus hospitalis is a hyperthermophilic archaeon that thrives in extremely hot, sulfur-rich environments and is notable for its unique cell envelope and symbiotic association with the nanoarchaeon Nanoarchaeum equitans.
-
B.
Sulfolobus solfataricus
Sulfolobus solfataricus is a thermoacidophilic archaeon commonly found in volcanic hot springs, widely used as a model organism for studying extremophile biology and archaeal molecular processes.
-
C.
Thermoproteus tenax
Thermoproteus tenax is a hyperthermophilic archaeon that thrives in extremely hot, acidic environments such as volcanic hot springs.
-
D.
Korarchaeota
Korarchaeota are a deeply branching, poorly understood lineage of Archaea typically found in high-temperature environments and known mainly from environmental DNA rather than cultivated representatives.
-
E.
Crenarchaeota
Crenarchaeota is a major phylum of Archaea that includes many thermophilic and chemolithoautotrophic microorganisms commonly found in extreme environments such as hot springs and deep-sea hydrothermal vents.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
archaeon
ⓘ
hyperthermophilic archaeon ⓘ microorganism ⓘ |
| cellEnvelope | S-layer ⓘ |
| cellShape | rod-shaped ⓘ |
| cellType | prokaryote ⓘ |
| cellWallComponent | proteinaceous S-layer ⓘ |
| chromosomeCount | 1 ⓘ |
| class | Thermoprotei ⓘ |
| domain | Archaea ⓘ |
| electronAcceptor |
nitrate
ⓘ
oxygen ⓘ sulfur compounds ⓘ |
| electronDonor |
hydrogen
ⓘ
organic compounds ⓘ |
| energySource |
chemolithoautotrophic
ⓘ
chemoorganotrophic ⓘ |
| environment |
hyperthermophilic environment
ⓘ
sulfur-rich environment ⓘ |
| family |
Pyrobaculum
ⓘ
surface form:
Thermoproteaceae
|
| flagella | present ⓘ |
| GCContent | high GC content ⓘ |
| genomeSequenced | true ⓘ |
| genomeSize | approximately 2.2 Mb ⓘ |
| genomeType |
circular DNA
ⓘ
double-stranded DNA ⓘ |
| genus | Pyrobaculum ⓘ |
| gramStain | Gram-negative-like ⓘ |
| habitat |
hot springs
ⓘ
hydrothermal environments ⓘ |
| metabolism |
aerobic
ⓘ
facultatively anaerobic ⓘ |
| modelOrganismFor |
Crenarchaeota biology
ⓘ
hyperthermophilic archaea ⓘ |
| motility | motile ⓘ |
| optimalGrowthTemperature | around 100 °C ⓘ |
| order |
Pyrobaculum
ⓘ
surface form:
Thermoproteales
|
| oxygenRequirement | aerophilic ⓘ |
| phylum | Crenarchaeota ⓘ |
| rRNAGenes | present ⓘ |
| sporeFormation | non-spore-forming ⓘ |
| sulfurMetabolism | can use sulfur compounds as electron acceptors ⓘ |
| taxonRank | species ⓘ |
| temperaturePreference | hyperthermophilic ⓘ |
| tRNAIntrons | present ⓘ |
| usedInResearchOn |
DNA stability at high temperature
ⓘ
archaeal replication ⓘ archaeal transcription ⓘ archaeal translation ⓘ protein stability at high temperature ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Pyrobaculum aerophilum Description of subject: Pyrobaculum aerophilum is a hyperthermophilic archaeon that thrives in extremely high-temperature, often sulfur-rich environments and serves as a model organism for studying the biology of Crenarchaeota.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.