Band structure and local dynamics of excitons in bacterial light-harvesting complexes revealed by spectrally selective spectroscopy.

doi:10.1007/s11120-005-2749-8

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Article

Band structure and local dynamics of excitons in bacterial light-harvesting complexes revealed by spectrally selective spectroscopy.

Photosynthesis research - 1 Nov 2005

Rätsep Margus, Hunter C Neil, Olsen John D, Freiberg Arvi

Abstract excerpt

Hole-burned absorption and line-narrowed fluorescence spectra are studied at 5 K in wild type and mutant LH1 and LH2 antenna preparations from the photosynthetic purple bacterium Rhodobacter sphaeroides. Evidence was found in all samples, even in intact membranes, of the presence of a broad distribution of bacteriochlorophyll species that are unable to communicate energy between each other and to the exciton...

Topics

Light-Harvesting Protein Complexes
Mutation
Rhodobacter sphaeroides
Spectrum Analysis

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Open in PubMed

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PMID: 16172924
DOI: 10.1007/s11120-005-2749-8

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