Kinetics of structural reorganizations in multilamellar photosynthetic membranes monitored by small-angle neutron scattering

被引：28

作者：

Nagy, Gergely ^{[1
,2
,3
]}

Kovacs, Laszlo ^{[4
]}

Uennep, Renata ^{[2
]}

Zsiros, Otto ^{[4
]}

Almasy, Laszlo ^{[2
]}

Rosta, Laszlo ^{[2
]}

Timmins, Peter ^{[3
]}

Peters, Judith ^{[3
,5
,6
]}

Posselt, Dorthe ^{[7
]}

Garab, Gyozo ^{[4
]}

机构：

[1] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland

[2] Hungarian Acad Sci, Inst Solid State Phys & Opt, Wigner Res Ctr Phys, H-1525 Budapest, Hungary

[3] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France

[4] Hungarian Acad Sci, Biol Res Ctr, Inst Plant Biol, H-6701 Szeged, Hungary

[5] Univ Grenoble 1, UFR PhITEM, F-38041 Grenoble 9, France

[6] Inst Biol Struct Jean Pierre Ebel CEA CNRS UJF, F-38027 Grenoble 1, France

[7] Roskilde Univ, IMFUFA, Dept Sci Syst & Models, DK-4000 Roskilde, Denmark

来源：

EUROPEAN PHYSICAL JOURNAL E | 2013年 / 36卷 / 07期

基金：

匈牙利科学研究基金会;

关键词：

THYLAKOID MEMBRANES; BIOLOGICAL MACROMOLECULES; CIRCULAR-DICHROISM; X-RAY; ORGANIZATION; FLEXIBILITY; ARCHITECTURE; ORIENTATION; COMPLEX; PLANTS;

D O I：

10.1140/epje/i2013-13069-0

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：

We demonstrate the power of time-resolved small-angle neutron scattering experiments for the investigation of the structure and structural reorganizations of multilamellar photosynthetic membranes. In addition to briefly summarizing our results on thylakoid membranes isolated from higher plants and in unicellular organisms, we discuss the advantages and technical and methodological limitations of time-resolved SANS. We present a detailed and more systematical investigation of the kinetics of light-induced structural reorganizations in isolated spinach thylakoid membranes, which show how changes in the repeat distance and in the long-range order of the multilamellar membranes can be followed with a time resolution of seconds. We also present data from comparative measurements performed on thylakoid membranes isolated from tobacco.

引用

页数：12

共 43 条

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