Energy transfer in the major intrinsic light-harvesting complex from Amphidinium carterae

T. Polivka, I.H.M. van Stokkum, D. Zigmantas, R. van Grondelle, V. Sundstrom, R.G. Hiller

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Carbonyl carotenoids are important constituents of the antenna complexes of marine organisms. These carotenoids possess an excited state with a charge-transfer character (intramolecular charge transfer state, ICT), but many details of the carotenoid to chlorophyll energy transfer mechanisms are as yet poorly understood. Here, we employ femtosecond transient absorption spectroscopy to study energy transfer pathways in the intrinsic light-harvesting complex (LHC) of dinoflagellates, which contains the carbonyl carotenoid peridinin. Carotenoid to chlorophyll energy transfer efficiency is about 90% in the 530-550 nm region, where the peridinin S
Original languageEnglish
Pages (from-to)8516-8526
JournalBiochemistry
Volume45
Issue number28
DOIs
Publication statusPublished - 2006

Bibliographical note

Energy transfer in the major intrinsic light-harvesting complex from Amphidinium carterae

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