Listeria
E928071
Listeria is a genus of Gram-positive bacteria that includes species capable of causing serious foodborne infections in humans and animals.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Listeria canonical | 2 |
| Listeria monocytogenes | 2 |
| Listeria innocua | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11466931 — 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: Listeria Context triple: [Firmicutes, contains, Listeria]
-
A.
Bacillus
Bacillus is a genus of rod-shaped, endospore-forming bacteria that includes both harmless environmental species and notable pathogens such as Bacillus anthracis.
-
B.
Bacillus anthracis
Bacillus anthracis is a Gram-positive, spore-forming bacterium that causes the disease anthrax in humans and animals.
-
C.
Yersinia
Yersinia is a genus of Gram-negative bacteria that includes several pathogenic species, most notably Yersinia pestis, the causative agent of plague.
-
D.
Malacobacter
Malacobacter is a genus of bacteria within the phylum Campylobacterota, comprising spiral-shaped, motile microorganisms often associated with aquatic or marine environments.
-
E.
Salmonella spp.
Salmonella spp. are a group of pathogenic bacteria that commonly cause foodborne and gastrointestinal infections in 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: Listeria Target entity description: Listeria is a genus of Gram-positive bacteria that includes species capable of causing serious foodborne infections in humans and animals.
-
A.
Bacillus
Bacillus is a genus of rod-shaped, endospore-forming bacteria that includes both harmless environmental species and notable pathogens such as Bacillus anthracis.
-
B.
Bacillus anthracis
Bacillus anthracis is a Gram-positive, spore-forming bacterium that causes the disease anthrax in humans and animals.
-
C.
Yersinia
Yersinia is a genus of Gram-negative bacteria that includes several pathogenic species, most notably Yersinia pestis, the causative agent of plague.
-
D.
Malacobacter
Malacobacter is a genus of bacteria within the phylum Campylobacterota, comprising spiral-shaped, motile microorganisms often associated with aquatic or marine environments.
-
E.
Salmonella spp.
Salmonella spp. are a group of pathogenic bacteria that commonly cause foodborne and gastrointestinal infections in humans and animals.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | bacterial genus ⓘ |
| biosafetyLevel | BSL-2 for pathogenic species ⓘ |
| catalaseActivity | catalase-positive ⓘ |
| cellShape | rod-shaped ⓘ |
| cellWallComponent | teichoic acids ⓘ |
| class |
Bacilli
ⓘ
linked to:
Bacillales
|
| colonyMorphology | small grayish colonies on blood agar ⓘ |
| diagnosticTest |
CAMP test
ⓘ
cold enrichment ⓘ |
| diseaseCausedBySpecies | listeriosis ⓘ |
| environmentalReservoir |
decaying vegetation
ⓘ
soil ⓘ water ⓘ |
| family | Listeriaceae ⓘ |
| firstDescribedBy |
Murray
ⓘ
Swann ⓘ Webb ⓘ |
| foodAssociation |
raw vegetables
ⓘ
ready-to-eat meats ⓘ smoked fish ⓘ soft cheeses ⓘ unpasteurized dairy products ⓘ |
| gramStain | Gram-positive ⓘ |
| growthCapability | can grow at refrigeration temperatures ⓘ |
| growthTemperatureRange | psychrotrophic ⓘ |
| hemolysis | some species are beta-hemolytic ⓘ |
| hostRange |
animals
ⓘ
humans ⓘ |
| intracellularLifestyle | facultative intracellular pathogen (some species) ⓘ |
| kingdom | Bacteria ⓘ |
| motility |
motile at room temperature
ⓘ
tumbling motility ⓘ |
| movementMechanismInHostCells | actin-based motility (some species) ⓘ |
| namedAfter | Joseph Lister ⓘ |
| notableSpecies |
Listeria innocua
ⓘ
linked to:
Listeria
Listeria ivanovii ⓘ Listeria monocytogenes ⓘ
linked to:
Listeria
Listeria seeligeri ⓘ Listeria welshimeri ⓘ |
| order | Bacillales ⓘ |
| oxidaseActivity | oxidase-negative ⓘ |
| oxygenRequirement | facultatively anaerobic ⓘ |
| pathogenicity | includes pathogenic species ⓘ |
| phylum |
Bacillota
ⓘ
linked to:
Firmicutes
|
| publicHealthSignificance | important foodborne pathogen genus ⓘ |
| sporeFormation | non-spore-forming ⓘ |
| taxonRank | genus ⓘ |
| transmissionRoute | foodborne ⓘ |
| yearDescribed | 1926 ⓘ |
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: Listeria Description of subject: Listeria is a genus of Gram-positive bacteria that includes species capable of causing serious foodborne infections in humans and animals.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Listeria
linked to: Listeria
linked to: Listeria