ICCAS OpenIR
Spectroscopic investigation on the energy transfer process in photosynthetic apparatus of cyanobacteria
Li, Y; Wang, B; Ai, XC; Zhang, XK; Zhao, JQ; Jiang, LJ
2004-06-01
Source PublicationSPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN1386-1425
Volume60Issue:7Pages:1543-1547
AbstractIn this work, we employ cyanobacteria, Spirulina platensis, and separate their photosynthetic apparatus, phycobilisome (PBS), thylakoid membrane and phycobilisome-thylakoid membrane complex. The steady state absorption spectra, fluorescence spectra and corresponding deconvoluted spectra and picosecond time-resolved spectra are used to investigate the energy transfer process in phycobilisome-thylakoid membrane complex. The results on steady state spectra show chlorophylls of the photosystem II are able to transfer excitation energy to phycobilisome with Chla molecules selectively excited. The decomposition of the steady state spectra further suggest the uphill energy transfer originate from chlorophylls of photosystem II to cores of phycobilisome, while rods and cores of phycobilisome cannot receive energy from the chlorophylls of photosystem I. The time constant for the back energy transfer process is 18 ps. (C) 2003 Elsevier B.V. All rights reserved.
KeywordEnergy Transfer Photosystem Ii Phycobilisome Cyanobacteria
DOI10.1016/j.saa.2003.08.017
Indexed BySCI
Language英语
WOS IDWOS:000221893700016
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82366
Collection中国科学院化学研究所
Corresponding AuthorLi, Y
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, Y,Wang, B,Ai, XC,et al. Spectroscopic investigation on the energy transfer process in photosynthetic apparatus of cyanobacteria[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2004,60(7):1543-1547.
APA Li, Y,Wang, B,Ai, XC,Zhang, XK,Zhao, JQ,&Jiang, LJ.(2004).Spectroscopic investigation on the energy transfer process in photosynthetic apparatus of cyanobacteria.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,60(7),1543-1547.
MLA Li, Y,et al."Spectroscopic investigation on the energy transfer process in photosynthetic apparatus of cyanobacteria".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 60.7(2004):1543-1547.
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