Lipid Polymorphism and Membrane Properties (Current Topics in (Current Topics in Membranes)
- 568 Pages
- September 10, 1997
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Cellular biology, Molecular Biology, Proteins, Membrane Physiology, Science, Science/Mathematics, Life Sciences - Biology - General, Life Sciences - Biophysics, Life Sciences - Cytology, Science / Biophysics, Life Sciences - Biology - Molecular Biology, Membrane Lipids, Physi
|Contributions||Richard Epand (Editor), Douglas M. Fambrough (Series Editor), Dale J. Benos (Series Editor)|
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Studies of these diverse phases and the manner in which they are formed tends to alter the properties of ordinary bilayer membranes. This book examines the structural and biological roles of lipids forming non-lamellar Edition: 1. Lipid Polymorphism and Membrane Properties (Volume 44) (Current Topics in Membranes (Volume 44)) 1st Edition by Richard Epand (Editor), Douglas M.
Fambrough (Series Editor), Dale J. Benos. Lipid Polymorphism and Membrane Properties. Edited by Richard M. Epand. Vol Pages ii-xvi, () Show all chapter previews Show all chapter previews. Receive an update when the latest chapters in this book series are published.
Sign in to set up alerts. select article Chapter 6 Modulation of Lipid Polymorphism by Peptides. The major lipid components of biological membranes can undergo many diverse and fascinating morphological rearrangements.
Studies of these diverse phases and the manner in which they are formed tends to alter the properties of ordinary bilayer membranes. This book examines the structural and biological roles of lipids forming non-lamellar structures.
The major lipid components of biological membranes can undergo many diverse and fascinating morphological rearrangements. Studies of these diverse phases and the manner in which they are formed tends to alter the properties of ordinary bilayer mem Missing: book.
In addition to being interesting in its own right, the property of lipid polymorphism can be applied to understand how fundamental intrinsic curvature properties of a membrane alter the physical properties of a membrane bilayer. This, in turn, will affect the functional characteristics of membrane proteins Cited by: "The book deals with the membrane models and biophysical approaches used to study them.
It is a compendium of various experimental and theoretical methods for investigating lipids, lipid aggregates, and, to some extent, membrane proteins. Membrane Biomechanics, Vol the latest release in the Current Topics in Membranes series, highlights new advances in the field, with this new volume presenting interesting chapters on Lipid bilayers: phase behavior and mechanics, Molecular mechanisms of cell membrane structure modification by omega-3 fatty acids, Mechanical properties of magnetoliposomes.
CHAPTER 2 Membrane Lipid Molecular Structure and Polymorphism Ruthven N. Lewis, David A. Mannock, and Ronald N. McElhaney I. Introduction 25 II. Nonlamellar-Forming Lipids of Biological Membranes: General Properties 27 III.
Molecular Structure and Nonlamellar Phase Behavior: Theoretical and Mechanistic Considerations 3 1 IV. In membranes, cholesterol is important as an insulator for the transmission of signals in nerve tissue and it helps to manage fluidity of membranes over a wide range of temperatures.
Stacked in the lipid bilayer, cholesterol decreases a membrane’s fluidity and its permeability to neutral compounds, as well as protons and sodium ions.
Lipid polymorphism and membrane properties There are two mechanisms by which non-lamellar-forming lipids can affect membrane properties. The first is that the non-lamellar phases which these lipids can form have a curved morphology which is different from the flat, planar morphology of Cited by: Abstract.
One of the fundamental problems in membrane biology is that of lipid diversity. The number of chemically different membrane lipids is much larger than other key biological building blocks such as nucleotides, amino acids, and by: Membrane Permeability A pure phospholipid bilayer, whatever the lipid composition, is a semi-permeable membrane that is generally repellent to large molecules and to ions.
Small polar molecules can sometimes pass easily (e.g. ethanol), but more often pass at low rates if at all (e.g.
Details Lipid Polymorphism and Membrane Properties (Current Topics in (Current Topics in Membranes) EPUB
water). In the first edition of The Enzymes of Biological Membranes, published in four volumes inwe collected the mass of widely scattered information on membrane-linked enzymes and metabolic processes up to about This was a period of transition from the romantic phase of membrane.
The major lipid components of biological membranes can undergo many diverse morphological rearrangements. Studies of these diverse phases and the manner in which they are formed tends to alter the properties of ordinary bilayer membranes.
Lipids, through their ability to exist with many shapes (polymorphism), provide an adequate construction material for cellular membranes.
They can self-assemble into shells that are very flexible, albeit hardly stretchable, which allows for their far-reaching morphological and topological by: This book examines the structural and biological roles of lipids forming non-lamellar structures.
Description Lipid Polymorphism and Membrane Properties (Current Topics in (Current Topics in Membranes) FB2
Key features are: characterization of non-lamellar structures; protein activity and membrane properties; analysis of membrane fusion; and affect of non-lamellar forming lipids on biological systems.
Lipid polymorphism in chloroplast thylakoid membranes – as revealed by 31 P-NMR and time-resolved merocyanine fluorescence spectroscopy Győző Garab 1, 2 Bettina Ughy 1Cited by: 9. Membrane lipid polymorphism: relationship to bilayer properties and protein function.
(PMID) Abstract the property of lipid polymorphism can be applied to understand how fundamental intrinsic curvature properties of a membrane alter the physical properties of a membrane bilayer. This, in turn, will affect the functional Cited by: This balanced volume provides a broad and coherent overview of recent progress in membrane fusion research—highlighting an interdisciplinary treatment of the subject from the fields of biophysics, biochemistry, cell biology, virology, and biotechnology—in a single volume., Featuring easy-access sections on the general properties of membranes and applications of membrane fusion techniques.
LIPID POLYMORPHISM AND THE FUNCTIONAL ROLES OF LIPIDS IN BIOLOGICAL MEMBRANES P.R. CULLIS a and B. DE KRUIJFF b a Department of Biochemistry, University of British Columbia, Vancouver, B.C. V6T 1 W5 (Canada), and b Institute of Molecular Biology. Epand R M (ed) Current Topics in Membranes: Lipid Polymorphism and Membrane Properties (New York: Academic)  Dubois-Violette E and Pansu B (ed) Colloque de Physique Int.
Workshop on Geometry and Interfaces (Aussois, France, ) Les Editions de PhysiqueCited by: The reasons for the great variety of lipids found in biological membranes, and the relations between lipid composition and membrane function pose major unsolved problems in membrane biology.
The interaction between the protein inserting motifs and lipid polymorphism is evident from the experiments demonstrating the effect of membrane-inserting peptides on the phase behavior of lipids.
And vice versa, lipids significantly modulate the insertion profile and the structure of the inserting protein domains (Marsh ).Missing: book. Everything between the cell membrane and the membrane of the cell nucleus is called the cytoplasm.
Most lipids can be saponified, but some, such as steroids, cannot be saponified. The steroid cholesterol is found in animal cells but never in plant cells. It is a main component of all cell membranes and a precursor for hormones, vitamin D, and.
In lipid polymorphism, if the packing ratio [clarification needed] of lipids is greater or less than one, lipid membranes can form two separate hexagonal phases, or nonlamellar phases, in which long, tubular aggregates form according to the environment in which the lipid is introduced. Hexagonal I phase (H I.
This phase is favored in detergent-in-water solutions and has a packing ratio of Missing: book. Common Features of Biological Membranes • Sheet-like structure • TWO-molecule thick (Å) • Lipids, Proteins, and carbohydrates • Lipids form the barrier. Proteins mediate distinct functions.
• Non-covalent assemblies (self-assembly, protein-lipid interaction) • Asymmetric (always)Missing: book. Lipid class composition of plasma membranes isolated from rat and mouse liver and hepatomas.
J Membr Biol.
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; 9 (2)– Van Hoeven RP, Emmelot P, Krol JH, Oomen-Meulemans EP. Studies on plasma membranes. XXII. Fatty acid profiles of lipid classes in plasma membranes of rat and mouse livers and hepatomas. Biochim Biophys by:. The phases present in a variety of protein–lipid–water systems have been identified, and their structure established by X-ray diffraction.
A spectrophotometric and circular dichroism analysis Cited by: We synthesized a family of sterol-modified glycerophospholipids (SML) in which the sn-1 or sn-2 position is covalently attached to cholesterol and the alternative position contains an aliphatic chain.
The SML were used to explore how anchoring cholesterol to a phospholipid affects cholesterol behavior in a bilayer. Notably, cholesterol in the SML retains the membrane condensing properties of Cited by: The reasons for the great variety of lipids found in biological membranes, and the relations between lipid composition and membrane function pose major unsolved problems in membrane biology.
Perhaps the only major functional role of lipids which may be regarded as firmly established involves the bilayer structure of biological by:
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