Thermodynamics and mechanics of membrane curvature generation and sensing by proteins and lipids.

Thermodynamics and mechanics of membrane curvature generation and sensing by proteins and lipids.
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DOI:
10.1146/annurev.physchem.012809.103450
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发表时间:
2011
影响因子:
14.7
通讯作者:
Das SL
Das SL
中科院分区:
化学1区
文献类型:
--
作者:
Baumgart T;Capraro BR;Zhu C;Das SL

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脂质膜曲率的产生和感知是膜物理化学和生物物理学中一个快速发展的前沿研究领域。最近的快速进展是基于发现了大量参与膜形状与细胞膜功能耦合的蛋白质,设计了新的定量实验技术来研究膜曲率的各个方面,以及分析理论和模拟技术的发展,这些技术允许对定量测量进行机械解释。本文首先概述了功能与膜曲率耦合的膜蛋白的重要类别。然后,我们调查了几种被认为是膜曲率传感和产生的机制。最后,我们讨论相对简单的热力学/力学模型,允许定量解释实验观察。
Research investigating lipid membrane curvature generation and sensing is a rapidly developing frontier in membrane physical chemistry and biophysics. The fast recent progress is based on the discovery of a plethora of proteins involved in coupling membrane shape to cellular membrane function, the design of new quantitative experimental techniques to study aspects of membrane curvature, and the development of analytical theories and simulation techniques that allow a mechanistic interpretation of quantitative measurements. The present review first provides an overview of important classes of membrane proteins for which function is coupled to membrane curvature. We then survey several mechanisms that are assumed to underlie membrane curvature sensing and generation. Finally, we discuss relatively simple thermodynamic/mechanical models that allow quantitative interpretation of experimental observations.
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