Issue 29, 2013

Static magnetic fields enhance lipid order in native plant plasma membrane

Abstract

We studied molecular order in native plant plasma membranes in the presence of static magnetic fields. Plasma membranes of seeds of the tomato plant were purified, extracted, and applied to a silicon substrate in a buffer suspension and their molecular structure was studied using X-ray diffraction. We observed correlation peaks that we assigned to the lipid and protein components of the plasma membrane. Two field strengths were available: B = 0.126 T and B = 0.208 T. While magnetic fields had no observable effect on protein structure, enhanced lipid order was observed, leading to an increase in the gel components and a decrease in the fluid component of the lipids.

Graphical abstract: Static magnetic fields enhance lipid order in native plant plasma membrane

Article information

Article type
Paper
Submitted
03 Feb 2013
Accepted
01 Apr 2013
First published
18 Apr 2013

Soft Matter, 2013,9, 6804-6813

Static magnetic fields enhance lipid order in native plant plasma membrane

D. Poinapen, L. Toppozini, H. Dies, D. C. W. Brown and M. C. Rheinstädter, Soft Matter, 2013, 9, 6804 DOI: 10.1039/C3SM50355K

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