In biochemistry, an oxidase is an oxidoreductase (any enzyme that catalyzes a redox reaction) that uses dioxygen (O 2) as the electron acceptor. In reactions involving donation of a hydrogen atom, oxygen …

The NADPH oxidase is a multicomponent electron transport chain that transfers electrons from NADPH to molecular oxygen to form superoxide, a precursor of microbicidal oxidants.

Aug 10, 2022 · The oxidase test is used to determine if an organism possesses the cytochrome oxidase enzyme. The test is used as an aid for the differentiation of Neisseria, Moraxella, Campylobacter and …

Jul 31, 2025 · An oxidase reaction is a chemical process where enzymes transfer electrons, often involving molecular oxygen. These reactions are widespread, supporting functions from cellular …

May 29, 2023 · Any of the enzymes that catalyze biological oxidation.Oxidase is an enzyme which is capable of adding oxygen to a substance, where hydrogen is usually released as a by-product which …

The meaning of OXIDASE is any of various enzymes that catalyze oxidations; especially : one able to react directly with molecular oxygen.

Nov 22, 2025 · The oxidase test is a biochemical test used to determine the presence of the oxidase enzyme in bacterial cells. The test involves adding a reagent containing an artificial electron acceptor …

The oxidase test is used to identify bacteria that produce cytochrome c oxidase, an enzyme of the bacterial electron transport chain. (note: All bacteria that are oxidase positive are aerobic, and can …

This electron carrier, cytochrome oxidase, differs between bacterial types and can be used to differentiate closely related bacteria for diagnoses.

Dec 4, 2025 · Here, the authors use alternative oxidase (AOX) as a mechanistic probe to bypass cytochrome c oxidase deficiency and thereby isolate the role of respiration and demonstrate that …