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Literature summary for 1.3.2.3 extracted from

  • Bartoli, C.G.; Yu, J.; Gomez, F.; Fernandez, L.; McIntosh, L.; Foyer, C.H.
    Inter-relationships between light and respiration in the control of ascorbic acid synthesis and accumulation in Arabidopsis thaliana leaves (2006), J. Exp. Bot., 57, 1621-1631.
    View publication on PubMed

Application

Application Comment Organism
additional information despite limitations on L-GalL synthesis by regulation of early steps in the ascorbic acid synthesis pathway, the regulation of L-GalLDH activity via the interaction of light and respiratory controls is a crucial determinant of the overall ability of leaves to produce and accumulate ascorbic acid Arabidopsis thaliana

Protein Variants

Protein Variants Comment Organism
additional information transgenic plant lines with altered levels of mitochondrial alternative oxidase protein have similar levels of L-GalLDH activity whether leaves are measured at low light, or after 4 h exposure to high light Arabidopsis thaliana

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
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Source Tissue

Source Tissue Comment Organism Textmining
leaf at high light, maximal extractable L-GalLDH activity is twice that measured in low light leaves under the same conditions, similarly, intermediate light leaves have 60% higher L-GalLDH activities than low light leaves, however abundance of L-GalLDH mRNA is similar for all light treatments Arabidopsis thaliana
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-galactono-1,4-lactone + ferricytochrome c
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Arabidopsis thaliana L-ascorbate + ferrocytochrome c
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?

Synonyms

Synonyms Comment Organism
L-galactone-1,4-lactone dehydrogenase
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Arabidopsis thaliana
L-GalLDH
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Arabidopsis thaliana