ArticlePhotosynthesis research2014
Theoretical characterization of excitation energy transfer in chlorosome light-harvesting antennae from green sulfur bacteria.
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 6 papers.
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Who cites it
6 citing papers in PubMed, 51 citations in OpenAlex.
- 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
- Manifestation of Hydrogen Bonding and Exciton Delocalization on the Absorption and Two-Dimensional Electronic Spectra of Chlorosomes.The journal of physical chemistry. B · 2023Article
- Electronic Structure Effects Related to the Origin of the Remarkable Near-Infrared Absorption ofJournal of chemical theory and computation · 2022Article
- Dynamic Disorder Drives Exciton Transfer in Tubular Chlorosomal Assemblies.The journal of physical chemistry. B · 2020Article
- Contrasting Modes of Self-Assembly and Hydrogen-Bonding Heterogeneity in Chlorosomes ofThe journal of physical chemistry. C, Nanomaterials and interfaces · 2018Article
- Temperature and carbon assimilation regulate the chlorosome biogenesis in green sulfur bacteria.Biophysical journal · 2013Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
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Abstract
We present a theoretical study of excitation dynamics in the chlorosome antenna complex of green photosynthetic bacteria based on a recently proposed model for the molecular assembly. Our model for the excitation energy transfer (EET) throughout the antenna combines a stochastic time propagation of the excitonic wave function with molecular dynamics simulations of the supramolecular structure and electronic structure calculations of the excited states. We characterized the optical properties of the chlorosome with absorption, circular dichroism and fluorescence polarization anisotropy decay spectra. The simulation results for the excitation dynamics reveal a detailed picture of the EET in the chlorosome. Coherent energy transfer is significant only for the first 50 fs after the initial excitation, and the wavelike motion of the exciton is completely damped at 100 fs. Characteristic time constants of incoherent energy transfer, subsequently, vary from 1 ps to several tens of ps. We assign the time scales of the EET to specific physical processes by comparing our results with the data obtained from time-resolved spectroscopy experiments.
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