Lipids in Membranes

  • Mohammad AshrafuzzamanEmail author
  • Jack Tuszynski
Part of the Biological and Medical Physics, Biomedical Engineering book series (BIOMEDICAL)


The most important components that make up cell membranes are various types of lipids. By cataloging lipid structures (referred to as lipidomics), eukaryotic cells have been found to invest substantial resources in generating various types of lipids. Cells use about 5 % of their genes to encode for the synthesis of these lipids. Lipids perform a few general functions. First of all, lipids are used for energy storage, principally as triacylglycerol and steryl esters, in lipid droplets. The matrix of cellular membranes is formed by polar lipids, which consist of a hydrophobic and a hydrophilic portion. Furthermore, lipids act as first and second messengers in signal transduction and molecular recognition processes.


Antimicrobial Peptide Lipid Phase Steryl Ester Lamellar Phase Lipid Monolayer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Department of Biochemistry, College of ScienceKing Saud UniversityRiyadhSaudi Arabia
  2. 2.Department of Physics, Cross Cancer InstituteUniversity of AlbertaEdmontonCanada

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