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Taxonomic group: plant / Streptophyta (Phylum: Streptophyta)
Organ / tissue: leaf

Publication DOI: 10.1126/science.284.5423.2181
Journal NLM ID: 0404511
Publisher: Washington, DC: American Association for the Advancement of Science
Correspondence: benning

pilot.msu.edu
Institutions: Department of Biochemistry, Michigan State University, East Lansing, MI 48824, USA, ax-Planck-Institut für Molekulare Pflanzenphysiologie, D-14476, Golm, Germany

The photosynthetic apparatus in plant cells is associated with membranes of the thylakoids within the chloroplast and is embedded into a highly specialized lipid matrix. Diacylglycerol galactolipids are common in thylakoid membranes but are excluded from all others. Isolation of the gene DGD1, encoding a galactosyltransferase-like protein, now provides insights into assembly of the thylakoid lipid matrix and subcellular lipid trafficking in Arabidopsis thaliana.

Structure type: oligomer
Location inside paper: Table 1
Trivial name: DGDG
Contained glycoepitopes: IEDB_134624,IEDB_136044,IEDB_136906,IEDB_137472,IEDB_141794,IEDB_151528,IEDB_190606,IEDB_742248,SB_163,SB_165,SB_166,SB_187,SB_195,SB_7,SB_88

Methods: TLC, biological assays, genetic manipulations
Comments, role: In wild-type Arabidopsis, monogalactosyldiacylglycerol (MGDG) contains high amounts of 16:3 and 18:3 fatty acids, whereas digalactosyldiacylglycerol (DGDG) contains mostly 16:0 and 18:3 fatty acids.

NCBI Taxonomy refs (TaxIDs): 3702
Show glycosyltransferases

There is only one chemically distinct structure:

[1*]OC[C@H](CO[C@@H]1O[C@H](CO[C@H]2O[C@H](CO)[C@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H](O)[C@H]1O)O[1*]

SVG MW SMILES 3D mol Ionize

R1 = LIP