期刊
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
卷 1837, 期 4, 页码 495-502出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbabio.2013.11.003
关键词
Photosynthesis; Thylakoid membrane; Diffusion coefficient; Percolation theory; Macromolecular crowding
资金
- National Science Foundation [NSF-MCB115871]
- United States-Israel Binational Agricultural Research and Development Fund [BARD US-4334-10]
- USDA-NIFA [2011-68005-30416]
- US Department of Agriculture (ARC) [WNP00775]
- Washington State University
- Direct For Biological Sciences
- Div Of Molecular and Cellular Bioscience [1158571] Funding Source: National Science Foundation
The survival and fitness of photosynthetic organisms is critically dependent on the flexible response of the photosynthetic machinery, harbored in thylakoid membranes, to environmental changes. A central element of this flexibility is the lateral diffusion of membrane components along the membrane plane. As demonstrated, almost all functions of photosynthetic energy conversion are dependent on lateral diffusion. The mobility of both small molecules (plastoquinone, xanthophylls) as well as large protein supercomplexes is very sensitive to changes in structural boundary conditions. Knowledge about the design principles that govern the mobility of photosynthetic membrane components is essential to understand the dynamic response of the photosynthetic machinery. This review summarizes our knowledge about the factors that control diffusion in thylakoid membranes and bridges structural membrane alterations to changes in mobility and function. This article is part of a Special Issue entitled: Dynamic and ultrastructure of bioenergetic membranes and their components. (C) 2013 Elsevier B.V. All rights reserved.
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