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Literature summary for 1.10.3.3 extracted from

  • Fotopoulos, V.; Sanmartin, M.; Kanellis, A.K.
    Effect of ascorbate oxidase over-expression on ascorbate recycling gene expression in response to agents imposing oxidative stress (2006), J. Exp. Bot., 57, 3933-3943.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
overexpression of the enzyme in transgenic tobacco lines Nicotiana tabacum

Protein Variants

Protein Variants Comment Organism
additional information construction of three transgenic enzyme overexpressing lines R50, R60, and R68, selected on the basis of enzyme expression and single transgene copy number, the overexpression has a slight effect on chlorophyll and carotinoid contents, and on sensitivity to oxidative stress, phenotypes, overview Nicotiana tabacum

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall
-
Nicotiana tabacum 5618
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2 L-ascorbic acid + O2 Nicotiana tabacum
-
2 L-dehydroascorbic acid + 2 H2O
-
?
additional information Nicotiana tabacum 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 ?
-
?

Organism

Organism UniProt Comment Textmining
Nicotiana tabacum
-
cv. Xanthi
-

Oxidation Stability

Oxidation Stability Organism
comparison of tolerance of wild-type and transgenic tobacco plants to oxidative stress, overview Nicotiana tabacum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 L-ascorbic acid + O2
-
Nicotiana tabacum 2 L-dehydroascorbic acid + 2 H2O
-
?
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 Nicotiana tabacum ?
-
?

Synonyms

Synonyms Comment Organism
ascorbate oxidase
-
Nicotiana tabacum