1.10.3.3 2 L-ascorbate + O2 enzyme may play a key role in the regulation of cell expansion 1.10.3.3 2 L-ascorbate + O2 possibly a kind of pathogenesis-related protein 1.10.3.3 2 L-ascorbate + O2 + 4 H+ formation of free radicals during the oxidation reaction by ascorbate oxidase 1.10.3.3 2 L-ascorbic acid + O2 - 1.10.3.3 2 L-ascorbic acid + O2 metabolic regulation, overview 1.10.3.3 2 L-ascorbic acid + O2 role of AO is regulation of cell division through controlled apoplastic Asc levels 1.10.3.3 2 L-ascorbic acid + O2 the enzyme activity is up- or down-regulated in response to oxygen availability 1.10.3.3 2 L-ascorbic acid + O2 the gene expression is transcriptionally regulated during fruit development and in response to hormonal cues associated with the control of cell growth and the stress response 1.10.3.3 4 L-ascorbate + O2 - 1.10.3.3 4 L-ascorbate + O2 the enzyme is involved in catalyzing the oxidation of apoplastic ascorbic acid to dehydroascorbic acid 1.10.3.3 L-ascorbate + O2 - 1.10.3.3 additional information cell wall-localized enzyme that catalyses the oxidation of ascorbate to the unstable radical monodehydroascorbate, which rapidly disproportionates to yield dehydroascorbate and ascorbate, and thus contributes to the regulation of the ascorbic acid redox state regulating the cell redox status