Phenoloxidases

Definition

Enzymes that catalyze the oxidation of phenolic substrates, leading to the formation of melanin pigments.

Etymology

From Greek 'pheno-', meaning 'phenol', and '-oxidase', indicating an enzyme that catalyzes oxidation.

Example

Phenoloxidases play a crucial role in the insect immune response to microbial infections, where they contribute to the melanization of pathogens.

Related Terms

• Melanin
• Melanization
• Immune Response