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Literature summary for 1.23.5.1 extracted from

  • Li, X.; Zhao, W.; Sun, X.; Huang, H.; Kong, L.; Niu, D.; Sui, X.; Zhang, Z.
    Molecular cloning and characterization of violaxanthin de-epoxidase (CsVDE) in cucumber (2013), PLoS ONE, 8, e64383.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
DNA and amino acid sequence determination and analysis, phylogenetic analysis, transiently expression of GFP-tagged enzyme in cucumber protoplasts, anti-sense expression of CsVDE in Arabidopsis thaliana leading to silencing of the single copy Arabidopsis thaliana gene, quantitative real-time PCR expression analysis Cucumis sativus

Protein Variants

Protein Variants Comment Organism
additional information enzyme downregulation by anti-sense expression of CsVDE in Arabidopsis thaliana showing reduced enzyme activity under high light stress Cucumis sativus

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Cucumis sativus 9507
-
cytoplasm
-
Cucumis sativus 5737
-
membrane
-
Cucumis sativus 16020
-
additional information no expression in the cytoplasm or cell membrane of cucumber cotyledon protoplasts Cucumis sativus
-
-
thylakoid lumen, the soluble luminal protein VDE to attach to the thylakoid membrane Cucumis sativus 9579
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
antheraxanthin + L-ascorbate Cucumis sativus
-
zeaxanthin + L-dehydroascorbate + H2O
-
?
additional information Cucumis sativus VDE is the first described putative plant lipocalin ?
-
?
violaxanthin + L-ascorbate Cucumis sativus
-
antheraxanthin + L-dehydroascorbate + H2O
-
?

Organism

Organism UniProt Comment Textmining
Cucumis sativus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Cucumis sativus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
antheraxanthin + L-ascorbate
-
Cucumis sativus zeaxanthin + L-dehydroascorbate + H2O
-
?
additional information VDE is the first described putative plant lipocalin Cucumis sativus ?
-
?
violaxanthin + L-ascorbate
-
Cucumis sativus antheraxanthin + L-dehydroascorbate + H2O
-
?

Synonyms

Synonyms Comment Organism
lipocalin-like protein
-
Cucumis sativus
VDE
-
Cucumis sativus

Expression

Organism Comment Expression
Cucumis sativus CsVDE is quickly induced by cold and drought stress up

General Information

General Information Comment Organism
physiological function violaxanthin de-epoxidase plays an important role in protecting the photosynthetic apparatus from photo-damage by dissipating excessively absorbed light energy as heat, via the conversion of violaxanthin (V) to intermediate product antheraxanthin and final product zeaxanthin under high light stress Cucumis sativus