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