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- W4386561034 abstract "The plant cell wall is a complex and dynamic extracellular matrix. Plant primary cell walls are the first line of defense against pathogens and regulate cell expansion. Specialized cells deposit a secondary cell wall that provides support and permits water transport. The composition and organization of the cell wall varies between cell types and species, contributing to the extensibility, stiffness and hydrophobicity required for its proper function. Recently, many of the proteins involved in the biosynthesis, maintenance and remodeling of the cell wall have been identified as being post-translationally modified with lipids. These modifications exhibit diverse structures and attach to proteins at different sites, which defines the specific role played by each lipid modification. The introduction of relatively hydrophobic lipid moieties promotes the interaction of proteins with membranes and can act as sorting signals, allowing targeted delivery to the plasma membrane regions and secretion into the apoplast. Disruption of lipid modification results in aberrant deposition of cell wall components and defective cell wall remodeling in response to stresses, demonstrating the essential nature of these modifications. Although much is known about which proteins bear lipid modifications, many questions remain regarding the contribution of lipid-driven membrane domain localization and lipid heterogeneity to protein function in cell wall metabolism. In this update, we highlight the contribution of lipid modifications to proteins involved in the formation and maintenance of plant cell walls, with a focus on the addition of glycosylphosphatidylinositol anchors, N-myristoylation, prenylation and S-acylation." @default.
- W4386561034 created "2023-09-09" @default.
- W4386561034 creator A5030860036 @default.
- W4386561034 creator A5067039220 @default.
- W4386561034 creator A5092830196 @default.
- W4386561034 date "2023-09-08" @default.
- W4386561034 modified "2023-10-16" @default.
- W4386561034 title "The role of lipid-modified proteins in cell wall synthesis and signaling" @default.
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