oxidase test

METPO:1007081 · CLASS · SEEDED

A biochemical test that detects cytochrome c oxidase activity using a redox indicator. The test outcome (positive or negative) is captured by its child classes; this class itself does not assert oxidase activity.

Trait evidence (2)

https://asm.org/protocols/oxidase-test-protocol
The oxidase test is a biochemical reaction that assays for the presence of cytochrome oxidase

The American Society for Microbiology oxidase-test protocol describes the assay as a biochemical reaction that reads cytochrome oxidase.
DOI:10.5812/chbs-160199
The ability of bacteria to produce the enzyme cytochrome oxidase can be determined by performing an oxidase test

Hafezi and Khamar review oxidase-test use for determining bacterial cytochrome oxidase production.

Provenance

Identifier source: METPO (2026-06-12)
Author: Marcin Joachimiak
Definition source: http://purl.obolibrary.org/obo/OMP_0000220

Parent traits (1)

phenotype METPO:1000059

Children (1)

oxidase negative METPO:1007086

Synonyms (2)

cytochrome oxidase test EXACT_SYNONYM · metpo.owl
oxidase activity test EXACT_SYNONYM · metpo.owl

kg-microbe context

No kg-microbe node embedding matched this record in the 2026-04-25 deepwalk.

Curation history

2026-09-11T14:24:19Z · SEEDED_FROM_METPO · seed_from_metpo
imported from data/raw/metpo.owl (CLASS)
2026-09-11T14:32:00Z · ENRICHED_FROM_LITERATURE · codex
Enriched the seeded METPO oxidase test with OMP definition provenance plus stable-URL and DOI-backed assay evidence after a repository-wide duplicate review covering ignored and hidden files.