Grants and Contracts Details
During the past 35 years this laboratory has been studying the function of polyisoprenol-linked intermediates in glycan synthesis in prokaryotes and eukaryotes. A long-standing interest in the topological issues involved in the biosynthesis of extracellular saccharides has led us to focus on the proteins that mediate the transbilayer movements of the lipid-linked intermediates utilized as glycosyl donors in these pathways. The current proposal is aimed at identifying the proteins that mediate the transbilayer movement of dimannosyldiacylglycerol and mannosylphosphoryldolichol, two mannolipid intermediates in the assembly of the lipomannan of Micrococcus luteus. These studies will provide important clues to the identification of related proteins functioning in protein N-glycosylation, C- and O-mannosylation of proteins and biosynthesis of glycosylphosphatidylinositol anchors in humans. The discovery of genes encoding membrane proteins functioning as flippases in these assembly processes will be valuable in the diagnosis of potential genetic errors referred to as Congenital Disorders in Glycosylation (CDGs).
|Effective start/end date||9/20/12 → 7/31/17|
- National Institute of General Medical Sciences: $1,118,725.00
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