Legionellaceae
E1005399
Legionellaceae is a family of Gram-negative bacteria that includes species such as Legionella pneumophila, known for causing Legionnaires’ disease in humans.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Legionellaceae canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12763897 — 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: Legionellaceae Context triple: [Legionella, family, Legionellaceae]
-
A.
Legionellales
Legionellales is an order of Gram-negative bacteria that includes several intracellular pathogens, most notably the Legionella species responsible for Legionnaires’ disease.
-
B.
Coryneaceae
Coryneaceae is a family of fungi within the order Diaporthales, comprising species often associated with plant hosts as pathogens or endophytes.
-
C.
Legionella bacteria
Legionella bacteria are waterborne pathogenic microorganisms that can proliferate in plumbing systems and cause Legionnaires’ disease, a severe form of pneumonia.
-
D.
Bacillaceae
Bacillaceae is a family of Gram-positive, rod-shaped, endospore-forming bacteria that includes medically and environmentally significant genera such as Bacillus.
-
E.
Mycobacteriaceae
Mycobacteriaceae is a family of rod-shaped, acid-fast bacteria that includes medically important pathogens such as those causing tuberculosis and leprosy.
- 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: Legionellaceae Target entity description: Legionellaceae is a family of Gram-negative bacteria that includes species such as Legionella pneumophila, known for causing Legionnaires’ disease in humans.
-
A.
Legionellales
Legionellales is an order of Gram-negative bacteria that includes several intracellular pathogens, most notably the Legionella species responsible for Legionnaires’ disease.
-
B.
Coryneaceae
Coryneaceae is a family of fungi within the order Diaporthales, comprising species often associated with plant hosts as pathogens or endophytes.
-
C.
Legionella bacteria
Legionella bacteria are waterborne pathogenic microorganisms that can proliferate in plumbing systems and cause Legionnaires’ disease, a severe form of pneumonia.
-
D.
Bacillaceae
Bacillaceae is a family of Gram-positive, rod-shaped, endospore-forming bacteria that includes medically and environmentally significant genera such as Bacillus.
-
E.
Mycobacteriaceae
Mycobacteriaceae is a family of rod-shaped, acid-fast bacteria that includes medically important pathogens such as those causing tuberculosis and leprosy.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | bacterial family ⓘ |
| alternativeStain | silver stain ⓘ |
| associatedWithDisease |
Legionnaires' disease
ⓘ
Pontiac fever ⓘ |
| biosafetyConcern | water system contamination ⓘ |
| cellShape | rod-shaped ⓘ |
| class | Gammaproteobacteria ⓘ |
| containsSpecies |
Legionella bozemanae
NERFINISHED
ⓘ
Legionella dumoffii NERFINISHED ⓘ Legionella longbeachae NERFINISHED ⓘ Legionella micdadei NERFINISHED ⓘ Legionella pneumophila NERFINISHED ⓘ |
| diagnosticMethod |
culture on buffered charcoal yeast extract agar
ⓘ
urinary antigen test (for Legionella pneumophila serogroup 1) ⓘ |
| discoveredInContextOf | 1976 Philadelphia Legionnaires' disease outbreak NERFINISHED ⓘ |
| flagella | polar flagellum ⓘ |
| gramStain | Gram-negative ⓘ |
| growthEnvironment |
air-conditioning systems
ⓘ
cooling towers ⓘ hot water tanks ⓘ warm water systems ⓘ |
| habitat | biofilms in water systems ⓘ |
| hostCells |
amoebae
ⓘ
human macrophages ⓘ |
| includesGenus |
Fluoribacter
NERFINISHED
ⓘ
Legionella ⓘ Tatlockia NERFINISHED ⓘ |
| intracellularLifestyle | facultative intracellular ⓘ |
| kingdom | Bacteria ⓘ |
| metabolism | chemoorganotrophic ⓘ |
| motility | motile ⓘ |
| namedAfter | American Legion NERFINISHED ⓘ |
| naturalReservoir |
freshwater environments
ⓘ
man-made water systems ⓘ soil ⓘ |
| optimalGrowthTemperature | 25–45 °C ⓘ |
| order | Legionellales NERFINISHED ⓘ |
| oxygenRequirement | aerobic ⓘ |
| pathogenicTo |
humans
ⓘ
protozoa ⓘ |
| phylum | Pseudomonadota NERFINISHED ⓘ |
| publicHealthRelevance |
cause of community-acquired pneumonia
ⓘ
cause of hospital-acquired pneumonia ⓘ |
| stainingCharacteristic | poorly stain with standard Gram stain ⓘ |
| taxonRank | family ⓘ |
| temperatureRange | mesophilic ⓘ |
| transmissionRoute | inhalation of contaminated aerosols ⓘ |
| typeSpeciesGenus | Legionella NERFINISHED ⓘ |
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: Legionellaceae Description of subject: Legionellaceae is a family of Gram-negative bacteria that includes species such as Legionella pneumophila, known for causing Legionnaires’ disease in humans.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Legionella