Ontology assay concept

methyl red test

AssayMech:methyl-red-test

Microbial characterization

An ontology assay concept for testing sustained acidic products of glucose fermentation.

Download source YAML · View source at this revision

Ontology assay concept. Any recorded method summary describes the concept's scope; it does not supply a complete executable laboratory protocol.

Record evidence

METPO ontology at commit 800c9d27913158efdf466edf2cd710dbf1ce893f — The selected class defines the named assay; its identity alone is not an organism-level positive or negative result.

Source reference · /graphs/0/nodes/1403 · Source licence: CC-BY-4.0

Interpretation and limitations

This is an assay concept, with no organism or strain result asserted.
METPO supplies a conceptual definition, not a complete executable protocol, validated threshold or performance estimate.

Ontology groundings

Assay identity, measured phenotype and tested predicate are distinct relations. A property grounding does not turn that property into an assay identity.

methyl red test · METPO:1005013

Assay identity · Entity type: Class

Ontology source: metpo.json
Exact source revision: 800c9d27913158efdf466edf2cd710dbf1ce893f

METPO ontology at commit 800c9d27913158efdf466edf2cd710dbf1ce893f — The pinned node is the named assay parent, distinct from its positive and negative outcome classes.

Source reference · /graphs/0/nodes/1403 · Source licence: CC-BY-4.0

Method summary

No method summary recorded.

Measurement and interpretation

No measurement specification recorded.

Controls

No controls recorded. This is not a statement that controls are unnecessary.

Scoped CMM relationships

No CMM relationship recorded; no relationship is inferred from a shared assay name.

Research gaps

cmmmech: No source-backed correspondence between this assay concept and a specific CMM mechanism was established for this seed.
controls: The selected METPO definition does not establish an assay-specific positive/negative control protocol.
protocol_parameters: Reagent concentrations, incubation conditions, decision thresholds and performance characteristics require a separately sourced operational protocol.
method: The selected definition identifies the biological transformation but does not specify an operational detection method.
measurement: Detection chemistry, response scale and a positive/negative decision rule are not established by the selected definition.

Curation provenance

Recorded curation events
UTC timestamp	Action and curator	Summary
2026-11-09T02:38:32Z	CREATE · assay-stream-c	Curate initial sourced assay concept or scoped operational assay History source