Functional Compartmental Modeling of the Photosystems in the Thylakoid Membrane at 77 K

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Abstract

Time-resolved fluorescence spectroscopy measurements at 77 K on thylakoid membrane preparations and isolated photosynthetic complexes thereof were investigated using target analysis with the aim of building functional compartmental models for the photosystems in the thylakoid membrane. Combining kinetic schemes with different spectral constraints enabled us to resolve the energy transfer pathways and decay characteristics of the different emissive species. We determined the spectral and energetic properties of the red Chl pools in both photosystems and quantified the formation of LHCII-LHCI-PSI supercomplexes in the transition from native to unstacked thylakoid membranes. © 2013 American Chemical Society.
Original languageEnglish
Pages (from-to)11363-11371
JournalJournal of Physical Chemistry B
Volume117
Issue number38
DOIs
Publication statusPublished - 2013

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