Line tension of branching junctions of bilayer membranes

被引：15
|
作者：
Noguchi, Hiroshi [1 ]
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
来源：
SOFT MATTER | 2012年 / 8卷 / 11期
关键词：
LIPID POLYMORPHISM; VESICLE FUSION; DYNAMICS SIMULATION; PROTEIN; MODEL; MECHANISM; PATHWAYS; FORCES; ROLES; PORES;
D O I：
10.1039/c2sm06943a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The branching of bilayer membranes occurs in the inverted hexagonal phase as well as in the metastable states of the lamellar phase as membrane fusion intermediates. A method for estimating the line tension of the branching junction is proposed for molecular simulations. The line tension is calculated from the pressure tensor of equiangularly branched membranes. The simulation results agree very well with the theoretical predictions of Hamm and Kozlov's tilt model. The transition between the lamellar and inverted hexagonal phases is also investigated using the tilt model.
引用
收藏
页码：3146 / 3153
页数：8
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