ArticleBiophysical journal2008
Intrinsic curvature properties of photosynthetic proteins in chromatophores.
Article in Biophysical journal, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 79 citations in OpenAlex.
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- Membrane Curvature Generation by the Caveolin 8S Complex and the Role of Cholesterol.bioRxiv : the preprint server for biology · 2026Article
- Macroscale optimal size of ICM vesicles regulated by quantum design principle in LH2 structure.Biophysical journal · 2025Article
- Origin and evolution of mitochondrial inner membrane composition.Journal of cell science · 2025Review
- Elucidating interprotein energy transfer dynamics within the antenna network from purple bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Large-Scale Molecular Dynamics Simulations of Cellular Compartments.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Inducible intracellular membranes: molecular aspects and emerging applications.Microbial cell factories · 2020Review
- Article
- Characterization of Lipid-Protein Interactions and Lipid-Mediated Modulation of Membrane Protein Function through Molecular Simulation.Chemical reviews · 2019Review
- Various salts employed as precipitant in combination with polyethylene glycol in protein/detergent particle association.Heliyon · 2018Article
- Biophysics of membrane curvature remodeling at molecular and mesoscopic lengthscales.Journal of physics. Condensed matter : an Institute of Physics journal · 2018Article
- Membrane remodelling in bacteria.Journal of structural biology · 2016Review
- Transmembrane protein sorting driven by membrane curvature.Nature communications · 2015Article
- Light harvesting by lamellar chromatophores in Rhodospirillum photometricum.Biophysical journal · 2014Article
- Variation in supramolecular organisation of the photosynthetic membrane of Rhodobacter sphaeroides induced by alteration of PufX.Photosynthesis research · 2014Article
- Membrane shape modulates transmembrane protein distribution.Developmental cell · 2014Article
- Membrane sculpting by F-BAR domains studied by molecular dynamics simulations.PLoS computational biology · 2013Article
- Recent Developments and Applications of the CHARMM force fields.Wiley interdisciplinary reviews. Computational molecular science · 2012Article
- Oligomerization state of photosynthetic core complexes is correlated with the dimerization affinity of a transmembrane helix.Journal of the American Chemical Society · 2011Article
- Applications of the molecular dynamics flexible fitting method.Journal of structural biology · 2011Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
In purple bacteria, photosynthesis is carried out on large indentations of the bacterial plasma membrane termed chromatophores. Acting as primitive organelles, chromatophores are densely packed with the membrane proteins necessary for photosynthesis, including light harvesting complexes LH1 and LH2, reaction center (RC), and cytochrome bc(1). The shape of chromatophores is primarily dependent on species, and is typically spherical or flat. How these shapes arise from the protein-protein and protein-membrane interactions is still unknown. Now, using molecular dynamics simulations, we have observed the dynamic curvature of membranes caused by proteins in the chromatophore. A membrane-embedded array of LH2s was found to relax to a curved state, both for LH2 from Rps. acidophila and a homology-modeled LH2 from Rb. sphaeroides. A modeled LH1-RC-PufX dimer was found to develop a bend at the dimerizing interface resulting in a curved shape as well. In contrast, the bc(1) complex, which has not been imaged yet in native chromatophores, did not induce a preferred membrane curvature in simulation. Based on these results, a model for how the different photosynthetic proteins influence chromatophore shape is presented.
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