Primary electron transfer processes in photosynthetic reaction centers from oxygenic organisms

M Mamedov, Govindjee, V Nadtochenko… - Photosynthesis …, 2015 - Springer
This minireview is written in honor of Vladimir A. Shuvalov, a pioneer in the area of primary
photochemistry of both oxygenic and anoxygenic photosyntheses (See a News Report …

Evolution of photochemical reaction centres: more twists?

T Cardona, AW Rutherford - Trends in plant science, 2019 - cell.com
One of the earliest events in the molecular evolution of photosynthesis is the structural and
functional specialisation of type I (ferredoxin-reducing) and type II (quinone-reducing) …

Light-induced H2 generation in a photosystem IO2-tolerant [FeFe] hydrogenase nanoconstruct

TD Rumbaugh, MJ Gorka, CS Baker… - Proceedings of the …, 2024 - pnas.org
The fusion of hydrogenases and photosynthetic reaction centers (RCs) has proven to be a
promising strategy for the production of sustainable biofuels. Type I (iron-sulfur-containing) …

Shedding light on primary donors in photosynthetic reaction centers

MJ Gorka, A Baldansuren, A Malnati, E Gruszecki… - Biophysical …, 2022 - cell.com
Sunday, February 20, 2022 103a donor is controlled by its redox and electronic properties,
which in turn are controlled almost exclusively by the surrounding protein matrix. In this …

[HTML][HTML] Role of pheophytin a in the primary charge separation of photosystem I from Acaryochloris marina: femtosecond optical studies of excitation energy and …

AA Petrova, AP Casazza, IV Shelaev, FE Gostev… - … et Biophysica Acta (BBA …, 2023 - Elsevier
Photosystem I (PSI) of the cyanobacterium Acaryochloris marina is capable of performing an
efficient photoelectrochemical conversion of far-red light due to its unique suite of cofactors …

[HTML][HTML] O2 reduction by photosystem I involves phylloquinone under steady-state illumination

MA Kozuleva, AA Petrova, MD Mamedov, AY Semenov… - FEBS letters, 2014 - Elsevier
O 2 reduction was investigated in photosystem I (PS I) complexes isolated from
cyanobacteria Synechocystis sp. PCC 6803 wild type (WT) and menB mutant strain, which is …

[HTML][HTML] Mechanism of adiabatic primary electron transfer in photosystem I: Femtosecond spectroscopy upon excitation of reaction center in the far-red edge of the QY …

DA Cherepanov, IV Shelaev, FE Gostev… - … et Biophysica Acta (BBA …, 2017 - Elsevier
The ultrafast primary charge separation in Photosystem I (PS I) excited by femtosecond
pulses centered at 720 and 760 nm was studied by pump-to-probe laser spectroscopy. The …

Primary charge separation within the structurally symmetric tetrameric Chl2APAPBChl2B chlorophyll exciplex in photosystem I

DA Cherepanov, IV Shelaev, FE Gostev… - … of Photochemistry and …, 2021 - Elsevier
Abstract In Photosystem I (PS I), the role of the accessory chlorophyll (Chl) molecules, Chl
2A and Chl 2B (also termed A-1A and A-1B), which are directly adjacent to the special pair P …

Current state of the primary charge separation mechanism in photosystem I of cyanobacteria

DA Cherepanov, AY Semenov, MD Mamedov… - Biophysical …, 2022 - Springer
This review analyzes new data on the mechanism of ultrafast reactions of primary charge
separation in photosystem I (PS I) of cyanobacteria obtained in the last decade by methods …

[HTML][HTML] Trehalose matrix effects on charge-recombination kinetics in Photosystem I of oxygenic photosynthesis at different dehydration levels

M Malferrari, A Savitsky, MD Mamedov… - … et Biophysica Acta (BBA …, 2016 - Elsevier
Matrix effects on long-range electron transfer were studied in cyanobacterial Photosystem I
(PS I) complexes, embedded into trehalose glasses at different hydration levels. W-band …