ICCAS OpenIR
Temperature-induced decoupling of phycobilisomes from reaction centers
Li, Y; Zhang, JP; Xie, J; Zhao, JQ; Jiang, LJ
2001-04-02
Source PublicationBIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
ISSN0005-2728
Volume1504Issue:2-3Pages:229-234
AbstractTemperature-induced decoupling of phycobilisomes (PBSs) from the reaction centers in the PBS-thylakoid membrane complexes was observed at 0 degreesC. The fluorescence yields of photosystem (PS) I and PSII decreased and that of PBSs increased with selective excitation of PBSs at 0 degreesC, while the yield of PBSs decreased and those of the two photosystems increased with selective excitation of chlorophyll a at room temperature (RT). It indicated that the decoupling of PBSs from the two photosystems led to changes of energy transfer efficiencies, which can be explained by partial detachment of PBSs from thylakoid membrane. The temperature-dependent processes were reversible, i.e. with temperature going up to RT, the complexes could restore to the functionally coupled state with a time constant about 30 s. Based on these results, it could be deduced that PBSs should be in parallel connection with the two photosystems. (C) 2001 Elsevier Science B.V. All rights reserved.
KeywordPhycobilisome-thylakoid Membrane Complex Photosystem Energy Transfer Decoupling
Indexed BySCI
Language英语
WOS IDWOS:000167570500005
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77278
Collection中国科学院化学研究所
Corresponding AuthorZhao, JQ
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, Y,Zhang, JP,Xie, J,et al. Temperature-induced decoupling of phycobilisomes from reaction centers[J]. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS,2001,1504(2-3):229-234.
APA Li, Y,Zhang, JP,Xie, J,Zhao, JQ,&Jiang, LJ.(2001).Temperature-induced decoupling of phycobilisomes from reaction centers.BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS,1504(2-3),229-234.
MLA Li, Y,et al."Temperature-induced decoupling of phycobilisomes from reaction centers".BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 1504.2-3(2001):229-234.
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