Natürliche und künstliche Chlorosom-Lichtsammelkomplexe: Zusammenhang zwischen der supramolekularen Organisation und den Eigenschaften der elektronischen Anregungen
Zusammenfassung der Projektergebnisse
In this project, we have investigated natural and artificial light harvesting antenna systems built up from molecular aggregates. We employed a combination of techniques (and cooperation partners) such as single-molecule spectroscopy, biochemical mutagenesis, chemical synthesis, cryo-electron microscopy, molecular modelling, and spectral simulation for elucidating the supramolecular organisation of these systems. For the natural systems studied, we found a remarkable resemblance in the structural models and came to the conclusions that the three systems studied feature a very similar underlying construction principle. For the artificial system we proposed a new packing model that has not been considered in the literature so far. Future research has to show whether this is also of relevance for the natural assemblies.
Projektbezogene Publikationen (Auswahl)
- Structure of Light-Harvesting Aggregates in Individual Chlorosomes. J. Phys. Chem. B. 120 (2016) 5367-5376
L. M. Günther, M. Jendrny, E. A. Bloemsma, M. Tank, G. T. Oostergetel, D. A. Bryant, J. Knoester, J. Köhler
(Siehe online unter https://doi.org/10.1021/acs.jpcb.6b03718) - Structural Variations in Chlorosomes from Wild-Type and a bchQR Mutant of Chlorobaculum tepidum Revealed by Single-Molecule Spectroscopy. J. Phys. Chem. B 122 (2018) 6712-6723
L. M. Günther, A. Löhner, C. Reiher, T. Kunzel, T. L. C. Jansen, M. Tank, D. A. Bryant, J. Knoester, J. Köhler
(Siehe online unter https://doi.org/10.1021/acs.jpcb.8b02875) - Spectral and Structural Variations of Biomimetic Light-Harvesting Nanotubes. J. Phys. Chem. Lett. 10 (2019) 2715-2724
A. Löhner, T. Kunsel, M. I. S. Röhr, T. L. C. Jansen, S. Sengupta, F. Würthner, J. Knoester, J. Köhler
(Siehe online unter https://doi.org/10.1021/acs.jpclett.9b00303)
