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@article{Alley:2008:10.1016/j.chemphyslip.2008.03.007,
author = {Alley, SH and Ces, O and Barahona, M and Templer, RH},
doi = {10.1016/j.chemphyslip.2008.03.007},
journal = {CHEMISTRY AND PHYSICS OF LIPIDS},
pages = {(64--67)--(64--67)},
title = {X-ray diffraction measurement of the monolayer spontaneous curvature of dioleoylphosphatidylglycerol},
url = {http://dx.doi.org/10.1016/j.chemphyslip.2008.03.007},
volume = {154},
year = {2008}
}
TY - JOUR
AB - Phosphatidylglycerol (PG) is an anionic lipid commonly found in large proportions in the cell membranes of bacteria and plants and, to a lesser extent, in animal cells. PG plays an important role in the regulation and determination of the elastic properties of the membrane. Using small angle X-ray scattering experiments, we obtain that the monolayer spontaneous curvature of dioleoylphosphatidylglycerol (DOPG) is -1/150 +/- 0.021 nm(-1) when measured in 150mM NaCl. When the experiments are carried out in 150 mM NaCl and 20 mM MgCl2, the value obtained for the monolayer spontaneous curvature is -1/8.7 +/- 0.037 nm(-1). These values are of importance in modelling the effects of curvature elastic stress in membrane lipid homeostasis in the bacterium Acholeplasma laidlawii [Alley, S.H., Barahona, M., Ces, O., Templer, R.H., in press. Biophysical regulation of lipid biosynthesis in the plasma membrane. Biophys. J.] and indicate that divalent cations can play a significant role in altering curvature elastic stress. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
AU - Alley,SH
AU - Ces,O
AU - Barahona,M
AU - Templer,RH
DO - 10.1016/j.chemphyslip.2008.03.007
EP - 67
PY - 2008///
SN - 0009-3084
SP - 64
TI - X-ray diffraction measurement of the monolayer spontaneous curvature of dioleoylphosphatidylglycerol
T2 - CHEMISTRY AND PHYSICS OF LIPIDS
UR - http://dx.doi.org/10.1016/j.chemphyslip.2008.03.007
VL - 154
ER -