The efficiency of non-photochemical fluorescence quenching of phycobilisomes by the orange carotenoid protein

被引：1

作者：

Krasilnikov P.M. ^{[1
]}

Zlenko D.V. ^{[1
]}

Stadnichuk I.N. ^{[2
]}

机构：

[1] Department of Biology, Moscow State University, Moscow

[2] Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya ul. 35, Moscow

来源：

Biophysics | 2015年 / 60卷 / 5期

基金：

俄罗斯科学基金会;

关键词：

allophycocyanin; energy migration; fluorescence; non-photochemical quenching; orange carotenoid protein; phycobilisome;

D O I：

10.1134/S0006350915050103

中图分类号：

学科分类号：

摘要：

We report on the theoretical efficiency of non-photochemical fluorescence quenching of phycobilisomes by the orange carotenoid protein. The created 3D computer model of the three-cylindrical phycobilisome core allowed us to determine the distances between the centers of mass of all of the phycobilin chromophores of the core and calculate the time and the average number of energy migration steps for the resulting non-radiative excitation transfer from the phycobilisomes to photosystem II. The obtained kinetic scheme equations for the path of the energy transfer confirm the incomplete interception of energy flow in the phycobilisome core by the orange carotenoid protein. The theoretical estimation of the rate of phycobilisome quenching is in good agreement with experimental data. © 2015, Pleiades Publishing, Inc.

引用

页码：752 / 758

页数：6

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