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Literature summary extracted from

  • Lin, Y.T.; Chen, L.J.; Herrfurth, C.; Feussner, I.; Li, H.M.
    Reduced bosynthesis of digalactosyldiacylglycerol, a major chloroplast membrane lipid, leads to oxylipin overproduction and phloem cap lignification in Arabidopsis (2016), Plant Cell, 28, 219-232.
    View publication on PubMedView publication on EuropePMC

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.241 chloroplast
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 Arabidopsis thaliana 9507
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Organism

EC Number Organism UniProt Comment Textmining
2.4.1.241 Arabidopsis thaliana Q9S7D1
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Synonyms

EC Number Synonyms Comment Organism
2.4.1.241 DGD1
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 Arabidopsis thaliana

General Information

EC Number General Information Comment Organism
2.4.1.241 physiological function Dgd1 mutants have a greater than 90% reduction in digalactosyldiacylglycerol content, reduced photosynthesis, and altered chloroplast morphology. Mutant plants show an extremely short inflorescence stem. Phloem cap cells are lignified and jasmonic acid-responsive genes are highly upregulated under normal growth conditions. The coronative insensitive1 Dgd1 and allene oxide synthase Dgd1 double mutants no longer exhibit the short inflorescence stem and lignification phenotypes but still have the same lipid profile and reduced photosynthesis as Dgd1 single mutants. Dgd1 mutants display increased levels of jasmonic acid, jasmonic acid-isoleucine, 12-oxo-phytodienoic acid, and arabidopsides. Jasmonic acid biosynthesis in Dgd1 mutants is initially activated through the increased expression of genes encoding 13-lipoxygenases and phospholipase A-Ig3 (At1g51440), and is sustained by further increases in 13-lipoxygenase and allene oxide cyclase mRNA and protein levels Arabidopsis thaliana