Plant sphingolipids: Their importance in cellular organization and adaption

Louise V Michaelson1, Johnathan A Napier1, Diana Molino2

  • 1Biological Chemistry and Crop Protection, Rothamsted Research, Harpenden AL5 2JQ, UK.

Summary

This review explores the roles of sphingolipids in plant cells. These lipids are important for membrane structure and function. They are also involved in processes like pollen development and stress responses. Classical biochemical studies and recent lipidomic techniques have helped uncover their functions. Mutant studies in model species have provided insights into their roles. The review highlights how sphingolipids contribute to plant adaptation and survival. It also discusses the impact of mass spectrometry on the field. The authors suggest that further research is needed to fully understand their significance in plant biology.

Frequently Asked Questions

Related Concept Videos

Membrane Lipids01:32

Membrane Lipids

Lipids are an essential component of all biological membranes. The average lipid content in mammalian membranes is 50%, though it can be as low as 20% in the inner mitochondrial membrane or as high as 80% in the myelin sheath present around the nerve cells.
Phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, and sphingomyelin are the most common phospholipids present in mammalian membranes. At physiological pH, phosphatidylserine is negatively charged, while the other three...
35.4K
Membrane Lipids01:32

Membrane Lipids

16.0K
Biosynthesis of Lipids01:29

Biosynthesis of Lipids

Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
841
What are Lipids?01:31

What are Lipids?

Lipids function as structural components of cellular membranes, in addition to acting as energy reservoirs and signaling molecules. They are thus crucial to all living organisms.  The three biologically important classes of lipids are triglycerides, phospholipids, and steroids.
Non-Polar and Hydrophobic Characteristics of Lipids
Lipids are a structurally and functionally diverse group of hydrocarbons—compounds consisting of carbon and hydrogen atoms. The carbon-carbon and...
12.2K
What are Lipids?01:38

What are Lipids?

Overview
224.6K
Phosphoinositides and PIPs01:42

Phosphoinositides and PIPs

Phosphoinositides are a group of phospholipids containing a glycerol backbone with two fatty acid chains and a phosphate attached to a myoinositol sugar ring. The inositol head group extends into the cytoplasm, where it is modified by adding phosphate groups to form phosphatidylinositol phosphates or PIPs.
Different phosphoinositides are synthesized and recruited on the cytosolic face of the plasma membrane. The localization of specific phosphoinositides concentrated in separate membrane...
10.5K