Control of the light harvesting function of chloroplast membranes: The LHCII-aggregation model for non-photochemical quenching

被引：259

作者：

Horton, P ^{[1
]}

Wentworth, M ^{[1
]}

Ruban, A ^{[1
]}

机构：

[1] Univ Sheffield, Dept Mol Biol & Biotechnol, Western Bank, Sheffield S10 2TN, S Yorkshire, England

来源：

FEBS LETTERS | 2005年 / 579卷 / 20期

基金：

英国生物技术与生命科学研究理事会;

关键词：

non-photochemical quenching; light harvesting complex; thylakoid membrane; chlorophyll fluorescence; xanthophyll cycle; photoprotection;

D O I：

10.1016/j.febslet.2005.07.003

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Dissipation of excess excitation energy within the photosystem II light-harvesting antenna (LHCII) by non-photochemical quenching (NPQ) is an important photoprotective process in plants. An update to a hypothesis for the mechanism of NPQ [FEBS Letters 292, 1991] is presented. The impact of recent advances in understanding the structure, organisation and photophysics of LHCII is assessed. We show possible locations of the predicted regulatory and quenching pigment-binding sites in the structural model of the major LHCII. We suggest that NPQ is a highly regulated concerted response of the organised thylakoid macrostructure, which can include different mechanisms and sites at different times. (c) 2005 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.

引用

收藏

页码：4201 / 4206

页数：6

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