Untangling the sequence of events during the S2 → S3 transition in photosystem II and implications for the water oxidation mechanism

M Ibrahim, T Fransson, R Chatterjee… - Proceedings of the …, 2020 - National Acad Sciences
In oxygenic photosynthesis, light-driven oxidation of water to molecular oxygen is carried out
by the oxygen-evolving complex (OEC) in photosystem II (PS II). Recently, we reported the …

Structure/function/dynamics of photosystem II plastoquinone binding sites

MD Lambreva, D Russo, F Polticelli… - Current Protein and …, 2014 - ingentaconnect.com
Photosystem II (PSII) continuously attracts the attention of researchers aiming to unravel the
riddle of its functioning and efficiency fundamental for all life on Earth. Besides, an …

The mechanisms of oxygen reduction in the terminal reducing segment of the chloroplast photosynthetic electron transport chain

MA Kozuleva, BN Ivanov - Plant and Cell Physiology, 2016 - academic.oup.com
The review is dedicated to ascertainment of the roles of the electron transfer cofactors of the
pigment–protein complex of PSI, ferredoxin (Fd) and ferredoxin-NADP reductase in oxygen …

Origin and evolution of water oxidation before the last common ancestor of the cyanobacteria

T Cardona, JW Murray… - Molecular biology and …, 2015 - academic.oup.com
Photosystem II, the water oxidizing enzyme, altered the course of evolution by filling the
atmosphere with oxygen. Here, we reconstruct the origin and evolution of water oxidation at …

Redox properties and regulatory mechanism of the iron-quinone electron acceptor in photosystem II as revealed by FTIR spectroelectrochemistry

Y Kato, T Noguchi - Photosynthesis Research, 2022 - Springer
Photosystem II (PSII) performs oxidation of water and reduction of plastoquinone through
light-induced electron transfer. Electron transfer reactions at individual redox cofactors are …

Regulation of light energy conversion between linear and cyclic electron flow within photosystem II controlled by the plastoquinone/quinol redox poise

C Gates, G Ananyev, S Roy-Chowdhury… - Photosynthesis …, 2023 - Springer
Ultrapurified Photosystem II complexes crystalize as uniform microcrystals (PSIIX) of
unprecedented homogeneity that allow observation of details previously unachievable …

Insights into photo-electrochemical sensing of herbicides driven by Chlamydomonas reinhardtii cells

I Husu, G Rodio, E Touloupakis, MD Lambreva… - Sensors and Actuators B …, 2013 - Elsevier
The unicellular green alga Chlamydomonas reinhardtii was exploited as bio-sensing
element for the construction of an electrochemical whole-cell based biosensor to detect …

pH-dependent regulation of electron flow in Photosystem II by a histidine residue at the stromal surface

T Kobayashi, Y Shimada, R Nagao, T Noguchi - Biochemistry, 2022 - ACS Publications
In photosystem II (PSII), the secondary plastoquinone electron acceptor QB functions as a
substrate that converts into plastoquinol upon its double reduction by electrons abstracted …

New Structural and Mechanistic Insights Into Functional Roles of Cytochrome b559 in Photosystem II

YF Chiu, HA Chu - Frontiers in Plant Science, 2022 - frontiersin.org
Cytochrome (Cyt) b 559 is a key component of the photosystem II (PSII) complex for its
assembly and proper function. Previous studies have suggested that Cyt b 559 has …

The oxygen quantum yield in diverse algae and cyanobacteria is controlled by partitioning of flux between linear and cyclic electron flow within photosystem II

G Ananyev, C Gates, GC Dismukes - Biochimica et Biophysica Acta (BBA) …, 2016 - Elsevier
We have measured flash-induced oxygen quantum yields (O 2-QYs) and primary charge
separation (Chl variable fluorescence yield, Fv/Fm) in vivo among phylogenetically diverse …