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

Abstract : 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.
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European Physical Journal E: Soft matter and biological physics, EDP Sciences: EPJ, 2013, 36 (7), pp.69. 〈10.1140/epje/i2013-13069-0〉
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Soumis le : mercredi 13 décembre 2017 - 11:35:04
Dernière modification le : lundi 19 février 2018 - 14:34:04

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Gergely Nagy, Laszlo Kovacs, Renáta Unnep, Ottó Zsiros, Laszlo Almasy, et al.. Kinetics of structural reorganizations in multilamellar photosynthetic membranes monitored by small-angle neutron scattering. European Physical Journal E: Soft matter and biological physics, EDP Sciences: EPJ, 2013, 36 (7), pp.69. 〈10.1140/epje/i2013-13069-0〉. 〈hal-01662550〉

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