Membrane Tension Lowering Induced by Protein Activity

被引：64

作者：

Faris, M. D. El Alaoui ^{[1
]}

Lacoste, D. ^{[2
]}

Pecreaux, J. ^{[1
]}

Joanny, J. -F. ^{[1
]}

Prost, J. ^{[1
,3
]}

Bassereau, P. ^{[1
]}

机构：

[1] Univ Paris 06, Inst Curie, Ctr Rech, CNRS,UMR 168, F-75248 Paris, France

[2] CNRS, Lab Physicochim Theor, ESPCI, UMR 7083, F-75231 Paris 05, France

[3] ParisTech, ESPCI, F-75231 Paris 05, France

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 03期

关键词：

SHAPE FLUCTUATIONS; BACTERIORHODOPSIN; RECONSTITUTION; INSTABILITIES; VESICLES;

D O I：

10.1103/PhysRevLett.102.038102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using videomicroscopy we present measurements of the fluctuation spectrum of giant vesicles containing bacteriorhodopsin pumps. When the pumps are activated, we observe a significant increase of the fluctuations in the low wave vector region, which we interpret as due to a lowering of the effective tension of the membrane.

引用

页数：4

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