ArticleProceedings of the National Academy of Sciences of the United States of America2007
Atomic-level structural and functional model of a bacterial photosynthetic membrane vesicle.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.
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Who cites it
62 citing papers in PubMed, 181 citations in OpenAlex.
- Rational design of pigment-polymer antenna complexes.Chemical science · 2026Article
- 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
- Macroscale optimal size of ICM vesicles regulated by quantum design principle in LH2 structure.Biophysical journal · 2025Article
- Modeling Diffusive Motion of Ferredoxin and Plastocyanin on the PSI Domain ofThe journal of physical chemistry. B · 2025Article
- The influence of cationic antiseptics on the processes of light energy conversion in various photosynthetic pigment-protein complexes.Photosynthesis research · 2024Review
- Excitation energy transfer in proteoliposomes reconstituted with LH2 and RC-LH1 complexes from Rhodobacter sphaeroides.Bioscience reports · 2024Article
- Interfacing DNA nanotechnology and biomimetic photonic complexes: advances and prospects in energy and biomedicine.Journal of nanobiotechnology · 2022Review
- A Chirality-Based Quantum Leap.ACS nano · 2022Review
- What have molecular simulations contributed to understanding of Gram-negative bacterial cell envelopes?Microbiology (Reading, England) · 2022Review
- Cryo-EM structure of the monomeric Rhodobacter sphaeroides RC-LH1 core complex at 2.5 Å.The Biochemical journal · 2021Article
- Chromatophores efficiently promote light-driven ATP synthesis and DNA transcription inside hybrid multicompartment artificial cells.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The effect of some antiseptic drugs on the energy transfer in chromatophore photosynthetic membranes of purple non-sulfur bacteria Rhodobacter sphaeroides.Photosynthesis research · 2021Article
- Interplay between formation of photosynthetic complexes and expression of genes for iron-sulfur cluster assembly in Rhodobacter sphaeroides?Photosynthesis research · 2021Article
- Large-Scale Molecular Dynamics Simulations of Cellular Compartments.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Multiscale modeling and cinematic visualization of photosynthetic energy conversion processes from electronic to cell scales.Parallel computing · 2020Article
- Article
- The C-terminus of PufX plays a key role in dimerisation and assembly of the reaction center light-harvesting 1 complex from Rhodobacter sphaeroides.Biochimica et biophysica acta. Bioenergetics · 2017Article
- Lateral Segregation of Photosystem I in Cyanobacterial Thylakoids.The Plant cell · 2017Article
- Determination of Cell Doubling Times from the Return-on-Investment Time of Photosynthetic Vesicles Based on Atomic Detail Structural Models.The journal of physical chemistry. B · 2017Article
- Highly oriented photosynthetic reaction centers generate a proton gradient in synthetic protocells.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
2 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
Abstract
The photosynthetic unit (PSU) of purple photosynthetic bacteria consists of a network of bacteriochlorophyll-protein complexes that absorb solar energy for eventual conversion to ATP. Because of its remarkable simplicity, the PSU can serve as a prototype for studies of cellular organelles. In the purple bacterium Rhodobacter sphaeroides the PSU forms spherical invaginations of the inner membrane, approximately 70 nm in diameter, composed mostly of light-harvesting complexes, LH1 and LH2, and reaction centers (RCs). Atomic force microscopy studies of the intracytoplasmic membrane have revealed the overall spatial organization of the PSU. In the present study these atomic force microscopy data were used to construct three-dimensional models of an entire membrane vesicle at the atomic level by using the known structure of the LH2 complex and a structural model of the dimeric RC-LH1 complex. Two models depict vesicles consisting of 9 or 18 dimeric RC-LH1 complexes and 144 or 101 LH2 complexes, representing a total of 3,879 or 4,464 bacteriochlorophylls, respectively. The in silico reconstructions permit a detailed description of light absorption and electronic excitation migration, including computation of a 50-ps excitation lifetime and a 95% quantum efficiency for one of the model membranes, and demonstration of excitation sharing within the closely packed RC-LH1 dimer arrays.
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