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Literature summary for 1.10.3.3 extracted from

  • Garchery, C.; Gest, N.; Do, P.T.; Alhagdow, M.; Baldet, P.; Menard, G.; Rothan, C.; Massot, C.; Gautier, H.; Aarrouf, J.; Fernie, A.R.; Stevens, R.
    A diminution in ascorbate oxidase activity affects carbon allocation and improves yield in tomato under water deficit (2013), Plant Cell Environ., 36, 159-175.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression of RNAi constructs in tomato plants using transfection of WVa106 tomato cotyledons via Agrobacterium strain GV3101, real-time quantitative PCR expression analysis Solanum lycopersicum

Protein Variants

Protein Variants Comment Organism
additional information construction of RNAi knockout plants lacking AAO activity, phenotype, overview. RNAi tomato lines have reduced ascorbate oxidase transcript and activity in leaves. Stomatal conductance is increased in transgenic ascorbate oxidase lines Solanum lycopersicum

Localization

Localization Comment Organism GeneOntology No. Textmining
apoplast
-
Solanum lycopersicum 48046
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4 L-ascorbate + O2 Solanum lycopersicum
-
4 monodehydroascorbate + 2 H2O
-
?
4 L-ascorbate + O2 Solanum lycopersicum West Virginia 106
-
4 monodehydroascorbate + 2 H2O
-
?

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum Q4VDN6
-
-
Solanum lycopersicum West Virginia 106 Q4VDN6
-
-

Source Tissue

Source Tissue Comment Organism Textmining
fruit
-
Solanum lycopersicum
-
leaf
-
Solanum lycopersicum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4 L-ascorbate + O2
-
Solanum lycopersicum 4 monodehydroascorbate + 2 H2O
-
?
4 L-ascorbate + O2
-
Solanum lycopersicum West Virginia 106 4 monodehydroascorbate + 2 H2O
-
?

Synonyms

Synonyms Comment Organism
ascorbate oxidase
-
Solanum lycopersicum

General Information

General Information Comment Organism
malfunction a diminution in ascorbate oxidase activity affects carbon allocation and improves yield in tomato under water deficit, overview. RNAi knockout plants show increased fruit yield under three conditions where assimilate became limiting for wild-type plants: when fruit trusses are left unpruned, when leaves are removed or when water supply is limited. Several alterations in the transgenic lines can contribute to the improved yield and favour transport of assimilate from leaves to fruits in the ascorbate oxidase lines. RNAi lines show altered sink strength Solanum lycopersicum
physiological function ascorbate oxidase is an apoplastic enzyme, which controls the redox state of the apoplastic ascorbate pool, effects of ascorbate oxidase on the apoplastic redox state, overview Solanum lycopersicum