ArticleProceedings of the National Academy of Sciences of the United States of America2009
Alternating syn-anti bacteriochlorophylls form concentric helical nanotubes in chlorosomes.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.
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78 citing papers in PubMed.
- Relation between Structure and Functionality in Photosynthetic Antenna Complex of Green Sulfur Bacteria: Efficiency under Natural Sunlight Pumping.The journal of physical chemistry. B · 2026Article
- Photophysics of plasmonically enhanced self-assembled artificial light-harvesting nanoantennas.Communications chemistry · 2025Review
- Conformational Dynamics of BacteriochlorophyllThe journal of physical chemistry. B · 2025Article
- Contrasting packing modes for tubular assemblies in chlorosomes.Photosynthesis research · 2024Article
- Observation of Dark States in Two-Dimensional Electronic Spectra of Chlorosomes.The journal of physical chemistry. B · 2024Article
- Supramolecular chirality in self-assembly of zinc protobacteriochlorophyll-d analogs possessing enantiomeric esterifying groups.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2024Article
- Photon Energy-Dependent Ultrafast Exciton Transfer in Chlorosomes ofThe journal of physical chemistry. B · 2023Article
- Ultrafast Anisotropy Decay Reveals Structure and Energy Transfer in Supramolecular Aggregates.The journal of physical chemistry. B · 2023Article
- Living on the edge: light-harvesting efficiency and photoprotection in the core of green sulfur bacteria.Physical chemistry chemical physics : PCCP · 2023Article
- Manifestation of Hydrogen Bonding and Exciton Delocalization on the Absorption and Two-Dimensional Electronic Spectra of Chlorosomes.The journal of physical chemistry. B · 2023Article
- Theoretical Models, Preparation, Characterization and Applications of Cyanine J-Aggregates: A Minireview.ChemistryOpen · 2022Review
- A bioinspired sequential energy transfer system constructed via supramolecular copolymerization.Nature communications · 2022Article
- The role of chirality and plastic crystallinity in the optical and mechanical properties of chlorosomes.iScience · 2022Article
- Zinc porphyrin/mesoporous titania thin film electrodes: a hybrid material nanoarchitecture for photocatalytic reduction.RSC advances · 2021Article
- Quantum Chemical Simulation of theMolecules (Basel, Switzerland) · 2021Article
- Limitations of Linear Dichroism Spectroscopy for Elucidating Structural Issues of Light-Harvesting Aggregates in Chlorosomes.Molecules (Basel, Switzerland) · 2021Article
- Q-band hyperchromism and B-band hypochromism of bacteriochlorophyll c as a tool for investigation of the oligomeric structure of chlorosomes of the green photosynthetic bacterium Chloroflexus aurantiacus.Photosynthesis research · 2020Article
- Dynamics and mechanism of light harvesting in UV photoreceptor UVR8.Chemical science · 2020Article
- Multiscale modeling of molecular structure and optical properties of complex supramolecular aggregates.Chemical science · 2020Article
- Growth model of chlorosome antenna by the environment-dependent stepwise assembly of a zinc chlorophyll derivative.Photosynthesis research · 2020Article
18 more citing papers are in PubMed but not listed here.
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10 authors.
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Abstract
Chlorosomes are the largest and most efficient light-harvesting antennae found in nature, and they are constructed from hundreds of thousands of self-assembled bacteriochlorophyll (BChl) c, d, or e pigments. Because they form very large and compositionally heterogeneous organelles, they had been the only photosynthetic antenna system for which no detailed structural information was available. In our approach, the structure of a member of the chlorosome class was determined and compared with the wild type (WT) to resolve how the biological light-harvesting function of the chlorosome is established. By constructing a triple mutant, the heterogeneous BChl c pigment composition of chlorosomes of the green sulfur bacteria Chlorobaculum tepidum was simplified to nearly homogeneous BChl d. Computational integration of two different bioimaging techniques, solid-state NMR and cryoEM, revealed an undescribed syn-anti stacking mode and showed how ligated BChl c and d self-assemble into coaxial cylinders to form tubular-shaped elements. A close packing of BChls via pi-pi stacking and helical H-bonding networks present in both the mutant and in the WT forms the basis for ultrafast, long-distance transmission of excitation energy. The structural framework is robust and can accommodate extensive chemical heterogeneity in the BChl side chains for adaptive optimization of the light-harvesting functionality in low-light environments. In addition, syn-anti BChl stacks form sheets that allow for strong exciton overlap in two dimensions enabling triplet exciton formation for efficient photoprotection.
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