ArticlePhotosynthesis research2020
Generation of ion-radical chlorophyll states in the light-harvesting antenna and the reaction center of cyanobacterial photosystem I.
Article in Photosynthesis research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 25 citations in OpenAlex.
- Photophysical model of primary charge separation in green algal photosystem I based on combined analysis of time-resolved absorption and fluorescence spectra.Photosynthesis research · 2025Article
- Inverted region in the reaction of the quinone reduction in the APhotosynthesis research · 2024Article
- Current state of the primary charge separation mechanism in photosystem I of cyanobacteria.Biophysical reviews · 2022Review
- Primary donor triplet states of Photosystem I and II studied by Q-band pulse ENDOR spectroscopy.Photosynthesis research · 2022Article
- A dimeric chlorophyll electron acceptor differentiates type I from type II photosynthetic reaction centers.iScience · 2021Article
- Direct Evidence for Excitation Energy Transfer Limitations Imposed by Low-Energy Chlorophylls in Photosystem I-Light Harvesting Complex I of Land Plants.The journal of physical chemistry. B · 2021Article
- Shedding Light on Primary Donors in Photosynthetic Reaction Centers.Frontiers in microbiology · 2021Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
The energy and charge-transfer processes in photosystem I (PS I) complexes isolated from cyanobacteria Thermosynechococcus elongatus and Synechocystis sp. PCC 6803 were investigated by pump-to-probe femtosecond spectroscopy. The formation of charge-transfer (CT) states in excitonically coupled chlorophyll a complexes (exciplexes) was monitored by measuring the electrochromic shift of β-carotene in the spectral range 500-510 nm. The excitation of high-energy chlorophyll in light-harvesting antenna of both species was not accompanied by immediate appearance of an electrochromic shift. In PS I from T. elongatus, the excitation of long-wavelength chlorophyll (LWC) caused a pronounced electrochromic effect at 502 nm assigned to the appearance of CT states of chlorophyll exciplexes. The formation of ion-radical pair P
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