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Literature summary for 1.10.3.3 extracted from

  • Tamas, L.; Bocova, B.; Huttova, J.; Mistrik, I.; Olle, M.
    Cadmium-induced inhibition of apoplastic ascorbate oxidase in barley roots (2006), Plant Growth Regul., 48, 41-49.
No PubMed abstract available
Search for more literature for 1.10.3.3

Activating Compound

Activating Compound Comment Organism Structure
Cd2+ cadmium-induced inhibition of apoplastic isozyme in barley roots, cationic isozyme C1 is activated by Cd2+ Hordeum vulgare

Inhibitors

Inhibitors Comment Organism Structure
Cd2+ cadmium-induced inhibition of apoplastic isozyme in barley roots, 50% inhibition of root growth at 1.0 mM 72 h after the treatment, root growth inhibition due to excess Cd is accompanied by a corresponding loss of plasma membrane integrity in root cells, cationic isozyme C1 is activated by Cd2+ Hordeum vulgare

Localization

Localization Comment Organism GeneOntology No. Textmining
apoplast
-
 Hordeum vulgare 48046
-
cell wall
-
 Hordeum vulgare 5618
-
extracellular
-
 Hordeum vulgare
-
-
soluble
-
 Hordeum vulgare
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ a blue copper-containing oxidase Hordeum vulgare

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2 L-ascorbic acid + O2 Hordeum vulgare
-
 2 L-dehydroascorbic acid + 2 H2O
-
 ?

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
 cv. Jubilant, two anionic isozymes A1 and A2, two cationic isozymes C2 and C3, one Cd-actiated cationic isozyme C1
-

Source Tissue

Source Tissue Comment Organism Textmining
root
-
 Hordeum vulgare
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 L-ascorbic acid + O2
-
 Hordeum vulgare 2 L-dehydroascorbic acid + 2 H2O
-
 ?
2 L-ascorbic acid + O2 aerobic oxidation of ascorbate to the unstable ascorbate free radical Hordeum vulgare 2 L-dehydroascorbic acid + 2 H2O the radical plays a role as an electron acceptor in plant growth including plasma membrane electron transport, cell elongation and cell wall metabolism, overview ?

Synonyms

Synonyms Comment Organism
ascorbate oxidase
-
 Hordeum vulgare

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8 7 assay at Hordeum vulgare