ArticlePhotosynthesis research2014
On destabilization of the Fenna-Matthews-Olson complex of Chlorobaculum tepidum.
Article in Photosynthesis research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Modulation of singlet excited state dynamics of bacteriochlorophyll a in Fenna-Matthews-Olson (FMO) complex by PscB, a subunit with an intrinsically disordered region in Chlorobaculum tepidum reaction center.Photosynthesis research · 2025Article
- Quantum coherent energy transport in the Fenna-Matthews-Olson complex at low temperature.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Exciton Lifetime Distributions and Population Dynamics in the FMO Protein Complex fromACS omega · 2021Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Fenna-Matthews-Olson (FMO) complex from the green sulfur bacterium Chlorobaculum tepidum was studied with respect to its stability. We provide a critical assessment of published and recently measured optical spectra. FMO complexes were found to destabilize over time producing spectral shifts, with destabilized samples having significantly higher hole-burning efficiencies; indicating a remodeled protein energy landscape. Observed correlated peak shifts near 825 and 815 nm suggest possible correlated (protein) fluctuations. It is proposed that the value of 35 cm(-1) widely used for reorganization energy (E λ ), which has important implications for the contributions to the coherence rate (Kreisbeck and Kramer 3:2828-2833, 2012), in various modeling studies of two-dimensional electronic spectra is overestimated. We demonstrate that the value of E λ is most likely about 15-22 cm(-1) and suggest that spectra reported in the literature (often measured on different FMO samples) exhibit varied peak positions due to different purification/isolation procedures or destabilization effects.
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Registered trials
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