The phycobilisome terminal emitter transfers its energy with a rate of (20 ps)–1 to photosystem II

A. M. Acuña, P. Van Alphen, R. Van Grondelle, I. H.M. Van Stokkum*

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Ultrafast time resolved emission spectra were measured in whole cells of a PSI-deficient mutant of Synechocystis sp. PCC 6803 at room temperature and at 77K to study excitation energy transfer and trapping. By means of a target analysis it was estimated that the terminal emitter of the phycobilisome, termed allophycocyanin 680, transfers its energy with a rate of (20 ps)–1 to PSII. This is faster than the intraphycobilisome energy transfer rates between a rod and a core cylinder, or between the core cylinders.

Original languageEnglish
Pages (from-to)265-274
Number of pages10
JournalPhotosynthetica
Volume56
Issue number1
Early online date10 Jan 2018
DOIs
Publication statusPublished - Mar 2018

Keywords

  • excitation energy transfer
  • global analysis
  • light harvesting
  • target analysis

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