Nitrosopumilus
E236119
Nitrosopumilus is a genus of marine ammonia-oxidizing archaea that plays a key role in the global nitrogen cycle, particularly in oceanic environments.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nitrosopumilaceae | 1 |
| Nitrosopumilales | 1 |
| Nitrosopumilus canonical | 1 |
| Nitrosopumilus maritimus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2108033 — 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: Nitrosopumilus Context triple: [Thaumarchaeota, hasRepresentativeGenus, Nitrosopumilus]
-
A.
Thaumarchaeota
Thaumarchaeota are a phylum of Archaea known primarily for their role in ammonia oxidation and global nitrogen cycling in diverse environments.
-
B.
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.
-
C.
Nanoarchaeota
Nanoarchaeota is a phylum of ultra-small, symbiotic archaea known for their reduced genomes and association with other archaeal hosts in extreme environments.
-
D.
Pyrobaculum aerophilum
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.
-
E.
Campylobacterota
Campylobacterota is a phylum of Gram-negative, often spiral-shaped bacteria that includes several important gastrointestinal pathogens affecting humans and animals.
- 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: Nitrosopumilus Target entity description: Nitrosopumilus is a genus of marine ammonia-oxidizing archaea that plays a key role in the global nitrogen cycle, particularly in oceanic environments.
-
A.
Thaumarchaeota
Thaumarchaeota are a phylum of Archaea known primarily for their role in ammonia oxidation and global nitrogen cycling in diverse environments.
-
B.
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.
-
C.
Nanoarchaeota
Nanoarchaeota is a phylum of ultra-small, symbiotic archaea known for their reduced genomes and association with other archaeal hosts in extreme environments.
-
D.
Pyrobaculum aerophilum
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.
-
E.
Campylobacterota
Campylobacterota is a phylum of Gram-negative, often spiral-shaped bacteria that includes several important gastrointestinal pathogens affecting humans and animals.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
archaea genus
ⓘ
genus ⓘ |
| belongsToSuperphylum | TACK archaea ⓘ |
| biogeochemicalImportance |
controls marine ammonia oxidation rates
ⓘ
influences oceanic primary productivity via nitrogen availability ⓘ |
| carbonFixationPathway | 3-hydroxypropionate/4-hydroxybutyrate cycle ⓘ |
| cellEnvelope | archaeal cell membrane ⓘ |
| cellMorphology | small coccoid cells ⓘ |
| cellSize | ultra-small archaeon ⓘ |
| cellType | prokaryote ⓘ |
| class |
Nitrososphaera
ⓘ
surface form:
Nitrososphaeria
|
| distribution |
global oceans
ⓘ
marine water column worldwide ⓘ |
| domain | Archaea ⓘ |
| ecologicalRole |
key contributor to marine nitrification
ⓘ
major player in global nitrogen cycle ⓘ |
| energySource | ammonia oxidation ⓘ |
| family |
Nitrosopumilus
self-linksurface differs
ⓘ
surface form:
Nitrosopumilaceae
|
| firstDescribedAsGenus | early 21st century ⓘ |
| foundIn |
euphotic zone of oceans
ⓘ
mesopelagic zone of oceans ⓘ |
| genomeType |
circular DNA
ⓘ
haploid ⓘ |
| habitat |
coastal seawater
ⓘ
marine environment ⓘ marine sediments ⓘ open ocean ⓘ oxygenated seawater ⓘ |
| importance | dominant archaeal ammonia oxidizer in oceans ⓘ |
| isA | marine ammonia-oxidizing archaeal genus ⓘ |
| kingdom |
Proteoarchaeota (in some classifications)
ⓘ
surface form:
Proteoarchaeota
|
| lifestyle | free-living ⓘ |
| metabolismType | chemolithoautotroph ⓘ |
| nitrogenCycleRole |
ammonia oxidation
ⓘ
nitrification ⓘ |
| order |
Nitrosopumilus
self-linksurface differs
ⓘ
surface form:
Nitrosopumilales
|
| oxidizesSubstrate |
ammonia
ⓘ
ammonium ⓘ |
| oxygenRequirement | aerobic ⓘ |
| oxygenSensitivity | obligately aerobic ⓘ |
| phylum |
Nitrososphaera
ⓘ
surface form:
Nitrososphaerota
|
| produces | nitrite ⓘ |
| substrateAffinity | high affinity for ammonia ⓘ |
| taxonRank | genus ⓘ |
| temperaturePreference | mesophilic ⓘ |
| trophicLevel | primary producer ⓘ |
| typeSpecies |
Nitrosopumilus
self-linksurface differs
ⓘ
surface form:
Nitrosopumilus maritimus
|
| usesElectronAcceptor | oxygen ⓘ |
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: Nitrosopumilus Description of subject: Nitrosopumilus is a genus of marine ammonia-oxidizing archaea that plays a key role in the global nitrogen cycle, particularly in oceanic environments.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nitrosopumilales
this entity surface form:
Nitrosopumilaceae
this entity surface form:
Nitrosopumilus maritimus