identifier: METPO:1000188
label: quality
definition: A characteristic of an entity that depends on the entity's existence,
  size, color, and physiological traits.
definition_source: DOI:10.1186/gb-2010-11-1-r2
trait_category: UPPER
term_kind: CLASS
mapping_status: REVIEWED
evidence:
- reference: DOI:10.1186/gb-2010-11-1-r2
  snippet: ontology of qualities termed Phenotype and Trait ontology
  notes: Supports quality as an upper class used to construct phenotype descriptions.
- reference: DOI:10.1186/gb-2010-11-1-r2
  snippet: specific characteristic or quality of that entity
  notes: Supports qualities as entity-dependent phenotype descriptors.
causal_graphs:
- graph_id: quality_upper_child_context
  title: Quality upper-class child context
  description: DOI-backed upper-ontology context graph linking quality to phenotype
    and biosafety-level child classes while excluding the genomic GC content child
    from this batch.
  nodes:
  - node_id: quality_trait
    label: quality
    node_type: TRAIT
    grounding: METPO:1000188
    description: Upper class for entity-dependent characteristics.
  - node_id: material_entity
    label: material entity
    node_type: TRAIT
    grounding: METPO:1000186
    description: Entity that can bear a quality.
  - node_id: phenotype_trait
    label: phenotype
    node_type: TRAIT
    grounding: METPO:1000059
    description: TraitMech child class for observable organismal qualities.
  - node_id: biosafety_level_trait
    label: biosafety level
    node_type: TRAIT
    grounding: METPO:1001101
    description: Ecology child class that classifies biological-agent hazard and containment
      level.
  edges:
  - subject: quality_trait
    predicate: characterizes
    object: material_entity
    description: Qualities characterize or inhere in entities.
    evidence:
    - reference: DOI:10.1186/gb-2010-11-1-r2
      snippet: specific characteristic or quality of that entity
      notes: Supports entity-dependent qualities in phenotype descriptions.
  - subject: phenotype_trait
    predicate: is a
    object: quality_trait
    description: Phenotype is a quality-derived child class in TraitMech.
    evidence:
    - reference: DOI:10.1186/gb-2010-11-1-r2
      snippet: Phenotype and Trait ontology
      notes: Supports phenotype and trait descriptions using quality classes.
    predicate_id: rdfs:subClassOf
  - subject: biosafety_level_trait
    predicate: is a
    object: quality_trait
    description: Biosafety level is a reviewed non-genomic child quality in TraitMech's
      ecology category.
    evidence:
    - reference: DOI:10.1146/annurev.micro.62.081307.162938
      snippet: virulence factors
      notes: Supports hazard-related biological-agent properties as inputs to biosafety-level
        classification.
    predicate_id: rdfs:subClassOf
curation_history:
- timestamp: '2026-05-05T01:35:46.812123+00:00'
  curator: seed_from_metpo
  action: SEEDED_FROM_METPO
  changes: imported from data/raw/metpo.owl (CLASS)
  llm_assisted: false
- timestamp: '2026-05-15T00:35:00-07:00'
  curator: codex
  action: CURATED_UPPER_CONTEXT
  changes: Reviewed quality as an upper classifier and added a DOI-backed context
    graph covering non-genomic child classes phenotype and biosafety level.
  llm_assisted: true
- timestamp: '2026-05-20T03:35:32Z'
  curator: claude
  action: GROUND_CAUSAL_PREDICATES
  changes: Grounded 2 causal-edge predicate_id field(s) via mappings/predicate_grounding.tsv
    (rdfs:subClassOf×2).
  llm_assisted: true